Avg High
Adelaide in April
Avg Low
Rain
Daylight
11h
What to expect
Adelaide is in mid-autumn during April, a shoulder-season stretch where conditions can nudge warmer or cooler week to week. It generally feels mild and comfortable, and a gentle drop-off once the sun goes down. Conditions tend to feel steady, which makes planning simple. You get a comfortable daylight window for day trips and sightseeing.
April in context
How it compares to the rest of the year in Adelaide.
Hottest (avg)
#6 / 12
Wettest (avg)
#7 / 12
Daylight Hours
#8 / 12
Windiest (avg)
#12 / 12
Highest UV
#8 / 12
Most Humid
#6 / 12
Monthly climate breakdown
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight hours
- 11.2 h
- UV index (max)
- 6
- Typical sun hours
- 07:39 - 18:51
Rain & Snow
- Total rain
-
- Rainy days
- 7 days
- Cloud cover (avg)
- 46%
Humidity & Wind
- Humidity (avg)
- 64%
- Wind (avg)
-
- Wind (max gusts)
-
Daily climate explorer
Day 15 selected for April. Typical high 20.5°C and low 13.1°C.
Typical disruptions in April
Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in April.
Rain High impact
Washout risk Measures: Washout day risk. Observed about 7% of days (2.1 days/month) in April. Historical risk signal only, not a day-by-day forecast.
2.1 days / month
~7% of days
Why this matters
- Expected days 2.1 days / month
- Probability ~7% of days
- Intensity Up to ~27mm (P95)
Washout conditions are 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 5% of days (1.4 days/month) in April. Historical risk signal only, not a day-by-day forecast.
1.4 days / month
~5% of days
Why this matters
- Expected days 1.4 days / month
- Probability ~5% of days
- Intensity Up to ~79km/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.
Wind High impact
Stormy conditions Measures: Storm-impact proxy days. Observed about 2% of days (0.6 days/month) in April. 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 ~82km/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 Moderate
Rain disruption Measures: Likely rain disruption days. Observed about 8% of days (2.3 days/month) in April. Historical risk signal only, not a day-by-day forecast.
2.3 days / month
~8% of days
Why this matters
- Expected days 2.3 days / month
- Probability ~8% of days
- Intensity Up to ~27mm (P95)
Rain disruption risk appears on ~2 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Heat Minor
Hot days Measures: Hot days (>=30C). Observed about 2% of days (0.7 days/month) in April. 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 ~34°C (P95)
Hot days are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.
Show all disruptions (13 more)
Rain High impact
Washout run Measures: Multi-day washout runs. Observed about 0.5 days/month in April. 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 ~19mm (P95)
Multi-day washout runs are possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain High impact
Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 1% of days (0.2 days/month) in April. Historical risk signal only, not a day-by-day forecast.
0.2 days / month
~1% of days
Why this matters
- Expected days 0.2 days / month
- Probability ~1% of days
- Intensity Up to ~36mm (P95)
Very heavy rain is possible on ~0 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain Moderate
Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 4% of days (1.2 days/month) in April. 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 ~29mm (P95)
Heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Cold Moderate
Cold feels-like nights Measures: Cold feels-like nights (min <=5C). Observed about 2% of days (0.5 days/month) in April. Historical risk signal only, not a day-by-day forecast.
0.5 days / month
~2% of days
Why this matters
- Expected days 0.5 days / month
- Probability ~2% of days
- Intensity Up to ~5°C (P95)
Cold feels-like nights are possible on ~0 days. Long outdoor blocks become harder to sustain, so layer up and keep a warm indoor fallback nearby.
Cloud Minor
Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 37% of days (11.0 days/month) in April. Historical risk signal only, not a day-by-day forecast.
11.0 days / month
~37% of days
Why this matters
- Expected days 11.0 days / month
- Probability ~37% of days
- Intensity Up to ~97% (P95)
Cloudy skies are possible on ~11 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 33% of days (9.8 days/month) in April. Historical risk signal only, not a day-by-day forecast.
9.8 days / month
~33% of days
Why this matters
- Expected days 9.8 days / month
- Probability ~33% of days
- Intensity Up to ~16mm (P95)
Measurable rain is possible on ~10 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 28% of days (8.4 days/month) in April. Historical risk signal only, not a day-by-day forecast.
8.4 days / month
~28% of days
Why this matters
- Expected days 8.4 days / month
- Probability ~28% of days
- Intensity Up to ~68km/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.
Rain Minor
Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 24% of days (7.2 days/month) in April. Historical risk signal only, not a day-by-day forecast.
7.2 days / month
~24% of days
Why this matters
- Expected days 7.2 days / month
- Probability ~24% of days
- Intensity Up to ~20h (P95)
Several rainy hours are possible on ~7 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.
Rain Minor
Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 16% of days (4.8 days/month) in April. Historical risk signal only, not a day-by-day forecast.
4.8 days / month
~16% of days
Why this matters
- Expected days 4.8 days / month
- Probability ~16% of days
- Intensity Up to ~21h (P95)
Wet-most-of-day conditions are possible on ~5 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 14% of days (4.2 days/month) in April. 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 ~99% (P95)
Mostly cloudy skies are possible on ~4 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 7% of days (2.1 days/month) in April. Historical risk signal only, not a day-by-day forecast.
2.1 days / month
~7% of days
Why this matters
- Expected days 2.1 days / month
- Probability ~7% of days
- Intensity Up to ~89% (P95)
High humidity is possible on ~2 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.
Wind Minor
Breezy days Measures: Breezy days (mean wind >=25 km/h). Observed about 5% of days (1.6 days/month) in April. Historical risk signal only, not a day-by-day forecast.
1.6 days / month
~5% of days
Why this matters
- Expected days 1.6 days / month
- Probability ~5% of days
- Intensity Up to ~34km/h (P95)
Breezy conditions are possible on ~2 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.
Cloud Minor
Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 4% of days (1.1 days/month) in April. Historical risk signal only, not a day-by-day forecast.
1.1 days / month
~4% of days
Why this matters
- Expected days 1.1 days / month
- Probability ~4% 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 April a good time to visit Adelaide?
Typical April days in Adelaide reach highs of 21°C (70°F) with nights around 13°C (55°F). It usually feels mild by day and cool after dark. Overall, April sits in the middle of the Adelaide climate range.
What are temperatures like in April?
In April, you can usually expect highs of 21°C (70°F) and lows near 13°C (55°F). That means mild days and cool nights, so pack layers you can add or remove.
How much does it rain in April?
Rainfall in April averages 38 mm (1.5 in) across roughly 7 days. Overall it is a moderately wet time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in April?
You can expect about 11 hours of daylight in April. Sunrise is typically around 07:39 and sunset near 18:51. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in April?
UV levels are often high (around 6). Regular sunscreen and a hat are recommended.
Is it windy in April?
In April, average wind speeds are around 14 km/h (9 mph), with gusts on the windiest days reaching about 50 km/h (31 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.