Avg High
Avg Low
Rain
Daylight
13h

What to expect

August in Busan is late summer, with a settled seasonal pattern already in place. The month is warm and inviting for long walks, with only small changes from morning to evening. There is plenty of daylight to stretch outdoor time. Most days feel close to what the averages suggest, with straightforward pacing.

August in context

How it compares to the rest of the year in Busan.

Hottest (avg)
#1 / 12
Wettest (avg)
#2 / 12
Daylight Hours
#4 / 12
Windiest (avg)
#8 / 12
Highest UV
#4 / 12
Most Humid
#2 / 12

Monthly climate breakdown

Temperature

Daytime high
Nighttime low
Feels like (avg)

Sunshine

Daylight hours
13.5 h
UV index (max)
8
Typical sun hours
05:43 - 19:11

Rain & Snow

Total rain
Rainy days
17 days
Cloud cover (avg)
63%

Humidity & Wind

Humidity (avg)
84%
Wind (avg)
Wind (max gusts)

Daily climate explorer

Daily climate explorer for August in BusanInteractive chart with daily scrub and pinned insight panel.152025303511631°C

Day 15 selected for August. Typical high 28.7°C and low 24.6°C.

Typical disruptions in August

Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in August.

Humidity High impact

Muggy days Measures: Muggy days (dew point >=20C). Observed about 88% of days (27.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.

27.2 days / month

~88% of days

Why this matters
  • Expected days 27.2 days / month
  • Probability ~88% of days
  • Intensity Up to ~25°C (P95)

Muggy conditions are possible on ~27 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Heat High impact

Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 61% of days (18.8 days/month) in August. Historical risk signal only, not a day-by-day forecast.

18.8 days / month

~61% of days

Why this matters
  • Expected days 18.8 days / month
  • Probability ~61% of days
  • Intensity Up to ~38°C (P95)

Feels-like heat >=32C is possible on ~19 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Humidity High impact

Oppressive humidity Measures: Oppressive humidity days (dew point >=24C). Observed about 41% of days (12.8 days/month) in August. Historical risk signal only, not a day-by-day forecast.

12.8 days / month

~41% of days

Why this matters
  • Expected days 12.8 days / month
  • Probability ~41% of days
  • Intensity Up to ~26°C (P95)

Oppressive humidity is possible on ~13 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Rain High impact

Rain disruption Measures: Likely rain disruption days. Observed about 26% of days (8.1 days/month) in August. Historical risk signal only, not a day-by-day forecast.

8.1 days / month

~26% of days

Why this matters
  • Expected days 8.1 days / month
  • Probability ~26% of days
  • Intensity Up to ~59mm (P95)

Rain disruption risk appears on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Washout risk Measures: Washout day risk. Observed about 25% of days (7.8 days/month) in August. Historical risk signal only, not a day-by-day forecast.

7.8 days / month

~25% of days

Why this matters
  • Expected days 7.8 days / month
  • Probability ~25% of days
  • Intensity Up to ~60mm (P95)

Washout conditions are possible on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Heat High impact

Very hot feels-like Measures: Very hot feels-like days (>=35C). Observed about 24% of days (7.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.

7.5 days / month

~24% of days

Why this matters
  • Expected days 7.5 days / month
  • Probability ~24% of days
  • Intensity Up to ~39°C (P95)

Very hot feels-like conditions are possible on ~8 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Show all disruptions (26 more)
Heat High impact

Heat stress risk Measures: High heat stress days. Observed about 24% of days (7.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.

7.5 days / month

~24% of days

Why this matters
  • Expected days 7.5 days / month
  • Probability ~24% of days
  • Intensity Up to ~39°C (P95)

Heat stress is possible on ~8 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Rain High impact

Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 17% of days (5.4 days/month) in August. Historical risk signal only, not a day-by-day forecast.

5.4 days / month

~17% of days

Why this matters
  • Expected days 5.4 days / month
  • Probability ~17% of days
  • Intensity Up to ~70mm (P95)

Heavy rain is possible on ~5 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Wind High impact

Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 10% of days (3.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

3.0 days / month

~10% of days

Why this matters
  • Expected days 3.0 days / month
  • Probability ~10% of days
  • Intensity Up to ~105km/h (P95)

Strong gusts are possible on ~3 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Wind High impact

Stormy conditions Measures: Storm-impact proxy days. Observed about 9% of days (2.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.

2.9 days / month

~9% of days

Why this matters
  • Expected days 2.9 days / month
  • Probability ~9% of days
  • Intensity Up to ~106km/h (P95)

Stormy conditions are possible on ~3 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Rain High impact

Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 8% of days (2.6 days/month) in August. Historical risk signal only, not a day-by-day forecast.

2.6 days / month

~8% of days

Why this matters
  • Expected days 2.6 days / month
  • Probability ~8% of days
  • Intensity Up to ~84mm (P95)

Very heavy rain is possible on ~3 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Washout run Measures: Multi-day washout runs. Observed about 2.2 days/month in August. Historical risk signal only, not a day-by-day forecast.

2.2 days / month

Probability unavailable

Why this matters
  • Expected days 2.2 days / month
  • Probability
  • Intensity Up to ~70mm (P95)

Multi-day washout runs are possible on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Extreme rain Measures: Extreme rain days (>=50mm). Observed about 3% of days (0.8 days/month) in August. Historical risk signal only, not a day-by-day forecast.

0.8 days / month

~3% of days

Why this matters
  • Expected days 0.8 days / month
  • Probability ~3% of days
  • Intensity Up to ~95mm (P95)

Extreme rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Wind High impact

Severe gusts Measures: Severe gust days (>=80 km/h). Observed about 2% of days (0.8 days/month) in August. Historical risk signal only, not a day-by-day forecast.

0.8 days / month

~2% of days

Why this matters
  • Expected days 0.8 days / month
  • Probability ~2% of days
  • Intensity Up to ~122km/h (P95)

Severe gusts are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Heat Moderate

Hot days Measures: Hot days (>=30C). Observed about 15% of days (4.7 days/month) in August. Historical risk signal only, not a day-by-day forecast.

4.7 days / month

~15% of days

Why this matters
  • Expected days 4.7 days / month
  • Probability ~15% of days
  • Intensity Up to ~33°C (P95)

Hot days are possible on ~5 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Visibility Moderate

Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 8% of days (2.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.

2.5 days / month

~8% of days

Why this matters
  • Expected days 2.5 days / month
  • Probability ~8% of days
  • Intensity Up to ~96% (P95)

Fog-likely conditions are possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Heat Moderate

Feels-like heatwave Measures: Feels-like heatwave runs (>=3 days). Observed about 1.9 days/month in August. Historical risk signal only, not a day-by-day forecast.

1.9 days / month

Probability unavailable

Why this matters
  • Expected days 1.9 days / month
  • Probability
  • Intensity Up to ~38°C (P95)

Feels-like heatwave runs are possible on ~2 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Humidity Minor

Humid days Measures: Humid days (dew point >=18C). Observed about 97% of days (30.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

30.0 days / month

~97% of days

Why this matters
  • Expected days 30.0 days / month
  • Probability ~97% of days
  • Intensity Up to ~25°C (P95)

Humid conditions are possible on ~30 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Heat Minor

Warm nights Measures: Warm nights (min >=22C). Observed about 86% of days (26.6 days/month) in August. Historical risk signal only, not a day-by-day forecast.

26.6 days / month

~86% of days

Why this matters
  • Expected days 26.6 days / month
  • Probability ~86% of days
  • Intensity Up to ~26°C (P95)

Warm nights are possible on ~27 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

High humidity Measures: High humidity days (RH >=80%). Observed about 79% of days (24.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.

24.5 days / month

~79% of days

Why this matters
  • Expected days 24.5 days / month
  • Probability ~79% of days
  • Intensity Up to ~93% (P95)

High humidity is possible on ~25 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Rain Minor

Wet days Measures: Wet days (>=0.1mm). Observed about 61% of days (19.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

19.0 days / month

~61% of days

Why this matters
  • Expected days 19.0 days / month
  • Probability ~61% of days
  • Intensity Up to ~46mm (P95)

Measurable rain is possible on ~19 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Cloud Minor

Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 58% of days (17.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.

17.9 days / month

~58% of days

Why this matters
  • Expected days 17.9 days / month
  • Probability ~58% of days
  • Intensity Up to ~100% (P95)

Cloudy skies are possible on ~18 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind Minor

Gusty days Measures: Gusty days (>=40 km/h). Observed about 49% of days (15.3 days/month) in August. Historical risk signal only, not a day-by-day forecast.

15.3 days / month

~49% of days

Why this matters
  • Expected days 15.3 days / month
  • Probability ~49% of days
  • Intensity Up to ~80km/h (P95)

Gusty conditions are possible on ~15 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Rain Minor

Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 49% of days (15.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.

15.2 days / month

~49% of days

Why this matters
  • Expected days 15.2 days / month
  • Probability ~49% of days
  • Intensity Up to ~23h (P95)

Several rainy hours are possible on ~15 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Cloud Minor

Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 38% of days (11.8 days/month) in August. Historical risk signal only, not a day-by-day forecast.

11.8 days / month

~38% of days

Why this matters
  • Expected days 11.8 days / month
  • Probability ~38% of days
  • Intensity Up to ~100% (P95)

Mostly cloudy skies are possible on ~12 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Rain Minor

Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 37% of days (11.3 days/month) in August. Historical risk signal only, not a day-by-day forecast.

11.3 days / month

~37% of days

Why this matters
  • Expected days 11.3 days / month
  • Probability ~37% of days
  • Intensity Up to ~24h (P95)

Wet-most-of-day conditions are possible on ~11 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Heat Minor

Hot nights Measures: Hot nights (min >=25C). Observed about 31% of days (9.6 days/month) in August. Historical risk signal only, not a day-by-day forecast.

9.6 days / month

~31% of days

Why this matters
  • Expected days 9.6 days / month
  • Probability ~31% of days
  • Intensity Up to ~27°C (P95)

Hot nights are possible on ~10 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Humidity Minor

Convective risk Measures: Convective storm risk proxy. Observed about 26% of days (8.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

8.0 days / month

~26% of days

Why this matters
  • Expected days 8.0 days / month
  • Probability ~26% of days
  • Intensity Up to ~25°C (P95)

Convective risk signal appears on ~8 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Cloud Minor

Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 17% of days (5.4 days/month) in August. Historical risk signal only, not a day-by-day forecast.

5.4 days / month

~17% of days

Why this matters
  • Expected days 5.4 days / month
  • Probability ~17% of days
  • Intensity Up to ~100% (P95)

Overcast skies are possible on ~5 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Other Minor

Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 8% of days (2.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.

2.5 days / month

~8% of days

Why this matters
  • Expected days 2.5 days / month
  • Probability ~8% of days
  • Intensity Up to ~96 (P95)

Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind Minor

Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 2% of days (0.7 days/month) in August. Historical risk signal only, not a day-by-day forecast.

0.7 days / month

~2% of days

Why this matters
  • Expected days 0.7 days / month
  • Probability ~2% of days
  • Intensity Up to ~37km/h (P95)

Breezy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Heat Minor

Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 0.5 days/month in August. Historical risk signal only, not a day-by-day forecast.

0.5 days / month

Probability unavailable

Why this matters
  • Expected days 0.5 days / month
  • Probability
  • Intensity Up to ~33°C (P95)

Heatwave runs are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Frequently asked questions

Is August a good time to visit Busan?

Typical August days in Busan reach highs of 28°C (82°F) with nights around 24°C (75°F). It usually feels hot by day and warm after dark. It is among the wetter months, so it is wise to have some indoor backup plans or flexible activities.

What are temperatures like in August?

In August, you can usually expect highs of 28°C (82°F) and lows near 24°C (75°F). That means hot days and warm nights, so pack layers you can add or remove.

How much does it rain in August?

Rainfall in August averages 199 mm (7.8 in) across roughly 17 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.

How many hours of daylight are there in August?

You can expect about 13 hours of daylight in August. Sunrise is typically around 05:43 and sunset near 19:11. You get long days with comfortable amounts of daylight.

How strong is the sun in August?

UV levels are often high (around 8). Regular sunscreen and a hat are recommended.

Is it windy in August?

In August, average wind speeds are around 12 km/h (7 mph), with gusts on the windiest days reaching about 59 km/h (37 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.

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