Avg High
Seoul in July
Avg Low
Rain
Daylight
14h
What to expect
Seoul is in mid-summer during July, with the season well established by this point. Afternoons often feel hot in direct sun, and a gentle drop-off once the sun goes down. Daylight stays generous for longer outdoor plans. Conditions tend to feel steady, which makes planning simple.
July in context
How it compares to the rest of the year in Seoul.
Hottest (avg)
#2 / 12
Wettest (avg)
#1 / 12
Daylight Hours
#2 / 12
Windiest (avg)
#8 / 12
Highest UV
#2 / 12
Most Humid
#1 / 12
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 14.5 h
- UV index (max)
- 8
- Typical sun hours
- 05:23 - 19:51
Rain & Snow
- Total rain
-
- Rainy days
- 20 days
- Cloud cover (avg)
- 75%
Humidity & Wind
- Humidity (avg)
- 84%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for July. Typical high 27.4°C and low 21.7°C.
Typical disruptions in July
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in July.
Humidity High impact
Muggy days Measures: Muggy days (dew point >=20C). Observed about 78% of days (24.1 days/month) in July. Historical risk signal only, not a day-by-day forecast.
24.1 days / month
~78% of days
Why this matters
- Expected days 24.1 days / month
- Probability ~78% of days
- Intensity Up to ~25°C (P95)
Muggy conditions are possible on ~24 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 52% of days (16.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
16.2 days / month
~52% of days
Why this matters
- Expected days 16.2 days / month
- Probability ~52% of days
- Intensity Up to ~39°C (P95)
Feels-like heat >=32C is possible on ~16 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Rain High impact
Rain disruption Measures: Likely rain disruption days. Observed about 34% of days (10.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
10.5 days / month
~34% of days
Why this matters
- Expected days 10.5 days / month
- Probability ~34% of days
- Intensity Up to ~78mm (P95)
Rain disruption risk appears on ~11 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 33% of days (10.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
10.4 days / month
~33% of days
Why this matters
- Expected days 10.4 days / month
- Probability ~33% of days
- Intensity Up to ~79mm (P95)
Washout conditions are possible on ~10 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain High impact
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 26% of days (8.0 days/month) in July. 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 ~88mm (P95)
Heavy rain is possible on ~8 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Heat High impact
Hot days Measures: Hot days (>=30C). Observed about 24% of days (7.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
7.4 days / month
~24% of days
Why this matters
- Expected days 7.4 days / month
- Probability ~24% of days
- Intensity Up to ~34°C (P95)
Hot days are possible on ~7 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Show all disruptions (25 more)
Heat High impact
Very hot feels-like Measures: Very hot feels-like days (>=35C). Observed about 20% of days (6.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
6.2 days / month
~20% of days
Why this matters
- Expected days 6.2 days / month
- Probability ~20% of days
- Intensity Up to ~40°C (P95)
Very hot feels-like conditions are possible on ~6 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Heat High impact
Heat stress risk Measures: High heat stress days. Observed about 20% of days (6.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
6.2 days / month
~20% of days
Why this matters
- Expected days 6.2 days / month
- Probability ~20% of days
- Intensity Up to ~40°C (P95)
Heat stress is possible on ~6 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Visibility High impact
Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 18% of days (5.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
5.5 days / month
~18% of days
Why this matters
- Expected days 5.5 days / month
- Probability ~18% of days
- Intensity Up to ~99% (P95)
Fog-likely conditions are possible on ~6 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rain High impact
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 14% of days (4.4 days/month) in July. Historical risk signal only, not a day-by-day forecast.
4.4 days / month
~14% of days
Why this matters
- Expected days 4.4 days / month
- Probability ~14% of days
- Intensity Up to ~99mm (P95)
Very heavy rain is possible on ~4 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 2.5 days/month in July. Historical risk signal only, not a day-by-day forecast.
2.5 days / month
Probability unavailable
Why this matters
- Expected days 2.5 days / month
- Probability —
- Intensity Up to ~90mm (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.
Wind High impact
Stormy conditions Measures: Storm-impact proxy days. Observed about 6% of days (1.9 days/month) in July. Historical risk signal only, not a day-by-day forecast.
1.9 days / month
~6% of days
Why this matters
- Expected days 1.9 days / month
- Probability ~6% of days
- Intensity Up to ~79km/h (P95)
Stormy conditions are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Rain High impact
Extreme rain Measures: Extreme rain days (>=50mm). Observed about 6% of days (1.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
1.8 days / month
~6% of days
Why this matters
- Expected days 1.8 days / month
- Probability ~6% of days
- Intensity Up to ~108mm (P95)
Extreme rain is possible on ~2 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 4% of days (1.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
1.3 days / month
~4% of days
Why this matters
- Expected days 1.3 days / month
- Probability ~4% of days
- Intensity Up to ~80km/h (P95)
Strong gusts are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Humidity Moderate
Oppressive humidity Measures: Oppressive humidity days (dew point >=24C). Observed about 10% of days (3.1 days/month) in July. Historical risk signal only, not a day-by-day forecast.
3.1 days / month
~10% of days
Why this matters
- Expected days 3.1 days / month
- Probability ~10% of days
- Intensity Up to ~25°C (P95)
Oppressive humidity is possible on ~3 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 2.1 days/month in July. Historical risk signal only, not a day-by-day forecast.
2.1 days / month
Probability unavailable
Why this matters
- Expected days 2.1 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 93% of days (28.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
28.8 days / month
~93% of days
Why this matters
- Expected days 28.8 days / month
- Probability ~93% of days
- Intensity Up to ~24°C (P95)
Humid conditions are possible on ~29 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Humidity Minor
High humidity Measures: High humidity days (RH >=80%). Observed about 77% of days (23.9 days/month) in July. Historical risk signal only, not a day-by-day forecast.
23.9 days / month
~77% of days
Why this matters
- Expected days 23.9 days / month
- Probability ~77% of days
- Intensity Up to ~97% (P95)
High humidity is possible on ~24 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Cloud Minor
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 75% of days (23.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
23.2 days / month
~75% of days
Why this matters
- Expected days 23.2 days / month
- Probability ~75% of days
- Intensity Up to ~100% (P95)
Cloudy skies are possible on ~23 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rain Minor
Wet days Measures: Wet days (>=0.1mm). Observed about 75% of days (23.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
23.2 days / month
~75% of days
Why this matters
- Expected days 23.2 days / month
- Probability ~75% of days
- Intensity Up to ~59mm (P95)
Measurable rain is possible on ~23 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Rain Minor
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 62% of days (19.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
19.2 days / month
~62% of days
Why this matters
- Expected days 19.2 days / month
- Probability ~62% of days
- Intensity Up to ~23h (P95)
Several rainy hours are possible on ~19 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 51% of days (15.9 days/month) in July. Historical risk signal only, not a day-by-day forecast.
15.9 days / month
~51% of days
Why this matters
- Expected days 15.9 days / month
- Probability ~51% of days
- Intensity Up to ~100% (P95)
Mostly cloudy skies are possible on ~16 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 48% of days (15.0 days/month) in July. Historical risk signal only, not a day-by-day forecast.
15.0 days / month
~48% of days
Why this matters
- Expected days 15.0 days / month
- Probability ~48% of days
- Intensity Up to ~24h (P95)
Wet-most-of-day conditions are possible on ~15 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Heat Minor
Warm nights Measures: Warm nights (min >=22C). Observed about 47% of days (14.6 days/month) in July. Historical risk signal only, not a day-by-day forecast.
14.6 days / month
~47% of days
Why this matters
- Expected days 14.6 days / month
- Probability ~47% of days
- Intensity Up to ~25°C (P95)
Warm nights are possible on ~15 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Humidity Minor
Convective risk Measures: Convective storm risk proxy. Observed about 33% of days (10.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
10.2 days / month
~33% of days
Why this matters
- Expected days 10.2 days / month
- Probability ~33% of days
- Intensity Up to ~25°C (P95)
Convective risk signal appears on ~10 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 29% of days (8.8 days/month) in July. Historical risk signal only, not a day-by-day forecast.
8.8 days / month
~29% of days
Why this matters
- Expected days 8.8 days / month
- Probability ~29% of days
- Intensity Up to ~100% (P95)
Overcast skies are possible on ~9 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 25% of days (7.7 days/month) in July. Historical risk signal only, not a day-by-day forecast.
7.7 days / month
~25% of days
Why this matters
- Expected days 7.7 days / month
- Probability ~25% of days
- Intensity Up to ~71km/h (P95)
Gusty conditions are possible on ~8 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
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 18% of days (5.5 days/month) in July. Historical risk signal only, not a day-by-day forecast.
5.5 days / month
~18% of days
Why this matters
- Expected days 5.5 days / month
- Probability ~18% of days
- Intensity Up to ~99 (P95)
Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~6 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Heat Minor
Hot nights Measures: Hot nights (min >=25C). Observed about 4% of days (1.2 days/month) in July. Historical risk signal only, not a day-by-day forecast.
1.2 days / month
~4% of days
Why this matters
- Expected days 1.2 days / month
- Probability ~4% of days
- Intensity Up to ~26°C (P95)
Hot nights are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Heat Minor
Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 0.8 days/month in July. Historical risk signal only, not a day-by-day forecast.
0.8 days / month
Probability unavailable
Why this matters
- Expected days 0.8 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.
Heat Minor
Very hot days Measures: Very hot days (>=35C). Observed about 1% of days (0.3 days/month) in July. Historical risk signal only, not a day-by-day forecast.
0.3 days / month
~1% of days
Why this matters
- Expected days 0.3 days / month
- Probability ~1% of days
- Intensity Up to ~36°C (P95)
Very hot days are possible on ~0 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Frequently asked questions
Is July a good time to visit Seoul?
Typical July days in Seoul reach highs of 28°C (82°F) with nights around 22°C (72°F). It usually feels hot by day and mild 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 July?
In July, you can usually expect highs of 28°C (82°F) and lows near 22°C (72°F). That means hot days and mild nights, so pack layers you can add or remove.
How much does it rain in July?
Rainfall in July averages 319 mm (12.6 in) across roughly 20 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 July?
You can expect about 14 hours of daylight in July. Sunrise is typically around 05:23 and sunset near 19:51. You get long days with comfortable amounts of daylight.
How strong is the sun in July?
UV levels frequently reach very high levels (around 8), so strong sun protection is essential, especially around midday.
Is it windy in July?
In July, average wind speeds are around 9 km/h (6 mph), with gusts on the windiest days reaching about 49 km/h (30 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.