Adelaide in August
What to expect
August in Adelaide is late winter, with a settled seasonal pattern already in place. The overall feel is cool without being harsh, with a noticeable cool-down after sunset. Most days feel close to what the averages suggest, with straightforward pacing. The daylight window is balanced for full days without endless late evenings.
August in context
How it compares to the rest of the year in Adelaide.
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 10.8 h
- UV index (max)
- 5
- Typical sun hours
- 07:54 - 18:44
Rain & Snow
- Total rain
-
- Rainy days
- 13 days
- Cloud cover (avg)
- 48%
Humidity & Wind
- Humidity (avg)
- 75%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for August. Typical high 14.6°C and low 8.4°C.
Typical disruptions in August
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in August.
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 48% of days (14.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.
14.9 days / month
~48% of days
Why this matters
- Expected days 14.9 days / month
- Probability ~48% of days
- Intensity Up to ~5°C (P95)
Cold feels-like nights are possible on ~15 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Washout risk Measures: Washout day risk. Observed about 13% of days (4.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.
4.2 days / month
~13% of days
Why this matters
- Expected days 4.2 days / month
- Probability ~13% of days
- Intensity Up to ~18mm (P95)
Washout conditions are possible on ~4 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 12% of days (3.6 days/month) in August. Historical risk signal only, not a day-by-day forecast.
3.6 days / month
~12% of days
Why this matters
- Expected days 3.6 days / month
- Probability ~12% of days
- Intensity Up to ~83km/h (P95)
Strong gusts are possible on ~4 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Stormy conditions Measures: Storm-impact proxy days. Observed about 4% of days (1.4 days/month) in August. Historical risk signal only, not a day-by-day forecast.
1.4 days / month
~4% of days
Why this matters
- Expected days 1.4 days / month
- Probability ~4% of days
- Intensity Up to ~93km/h (P95)
Stormy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Rain disruption Measures: Likely rain disruption days. Observed about 13% of days (4.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.
4.2 days / month
~13% of days
Why this matters
- Expected days 4.2 days / month
- Probability ~13% of days
- Intensity Up to ~18mm (P95)
Rain disruption risk appears on ~4 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Show all disruptions (13 more)
Washout run Measures: Multi-day washout runs. Observed about 0.8 days/month in August. 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 ~15mm (P95)
Multi-day washout runs are possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Severe gusts Measures: Severe gust days (>=80 km/h). Observed about 1% of days (0.3 days/month) in August. 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 ~97km/h (P95)
Severe gusts are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 5% of days (1.7 days/month) in August. Historical risk signal only, not a day-by-day forecast.
1.7 days / month
~5% of days
Why this matters
- Expected days 1.7 days / month
- Probability ~5% of days
- Intensity Up to ~23mm (P95)
Heavy rain is possible on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Wet days Measures: Wet days (>=0.1mm). Observed about 51% of days (15.8 days/month) in August. Historical risk signal only, not a day-by-day forecast.
15.8 days / month
~51% of days
Why this matters
- Expected days 15.8 days / month
- Probability ~51% of days
- Intensity Up to ~13mm (P95)
Measurable rain is possible on ~16 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Gusty days Measures: Gusty days (>=40 km/h). Observed about 42% of days (13.1 days/month) in August. Historical risk signal only, not a day-by-day forecast.
13.1 days / month
~42% of days
Why this matters
- Expected days 13.1 days / month
- Probability ~42% of days
- Intensity Up to ~76km/h (P95)
Gusty conditions are possible on ~13 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 40% of days (12.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.
12.5 days / month
~40% of days
Why this matters
- Expected days 12.5 days / month
- Probability ~40% of days
- Intensity Up to ~20h (P95)
Several rainy hours are possible on ~13 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
High humidity Measures: High humidity days (RH >=80%). Observed about 36% of days (11.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.
11.2 days / month
~36% of days
Why this matters
- Expected days 11.2 days / month
- Probability ~36% of days
- Intensity Up to ~90% (P95)
High humidity is possible on ~11 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 32% of days (10.1 days/month) in August. Historical risk signal only, not a day-by-day forecast.
10.1 days / month
~32% of days
Why this matters
- Expected days 10.1 days / month
- Probability ~32% of days
- Intensity Up to ~97% (P95)
Cloudy skies are possible on ~10 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 30% of days (9.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.
9.5 days / month
~30% of days
Why this matters
- Expected days 9.5 days / month
- Probability ~30% of days
- Intensity Up to ~20h (P95)
Wet-most-of-day conditions are possible on ~9 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 14% of days (4.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.
4.2 days / month
~14% of days
Why this matters
- Expected days 4.2 days / month
- Probability ~14% of days
- Intensity Up to ~34km/h (P95)
Breezy conditions are possible on ~4 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). 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 ~100% (P95)
Mostly cloudy skies are possible on ~3 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Cold nights Measures: Cold nights (min <=5C). Observed about 6% of days (1.8 days/month) in August. 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 ~5°C (P95)
Cold nights are possible on ~2 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 2% of days (0.6 days/month) in August. Historical risk signal only, not a day-by-day forecast.
0.6 days / month
~2% of days
Why this matters
- Expected days 0.6 days / month
- Probability ~2% of days
- Intensity Up to ~100% (P95)
Overcast skies are possible on ~1 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.
Frequently asked questions
Is August a good time to visit Adelaide?
Typical August days in Adelaide reach highs of 15°C (59°F) with nights around 8°C (46°F). It usually feels cool by day and cool 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?
Daytime temperatures in August typically peak near 15°C (59°F), while nights drop to around 8°C (46°F). Expect cool afternoons and cool evenings.
How much does it rain in August?
Rainfall in August averages 58 mm (2.3 in) across roughly 13 days. Overall it is a quite rainy 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 11 hours of daylight in August. Sunrise is typically around 07:54 and sunset near 18:44. Days are on the shorter side, so plan activities around limited daylight.
How strong is the sun in August?
UV levels are moderate (around 5); sunscreen and sunglasses are still a good idea.
Is it windy in August?
In August, average wind speeds are around 16 km/h (10 mph), with gusts on the windiest days reaching about 62 km/h (39 mph). On the ground, it is it is a notably windy place, and strong gusts are fairly common.