Adelaide in April

In April, Adelaide averages 21°C (71°F) during the day and 13°C (56°F) at night, with around 12 days of rain (53 mm total).

High season

Conditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.

April offers comfortable temperatures in Adelaide, with some rain to plan around.

21°C
Avg high
13°C
Avg low
12
Rain days
53 mm
Rainfall

How April compares to the rest of the year in Adelaide

6th
warmest month of the 12
7th
wettest month of the 12
9%
of yearly rainfall falls in April
11 h 14 min
daylight on the 15th

April is in the middle of the year for warmth in Adelaide (6th of 12) and moderately rainy compared to the rest of the year (7th of 12). Daytime temperature runs 1°C above the annual average (21°C). April runs 3°C cooler than March (25°C) and cools 4°C in May (17°C).

April sunrise & sunset in Adelaide

🌅
Sunrise (15th)
6:38 AM
🌇
Sunset (15th)
5:52 PM
Day length
11 h 14 min

Times shown for Adelaide local time (Australia/Adelaide), calculated for the 15th of April. They shift by a few minutes day to day across the month.

Photography light in Adelaide — April

Golden-hour and blue-hour windows for the 15th of April, in Adelaide's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:38 AM – 6:18 AM
🌄 Golden hour (AM)
6:18 AM – 7:18 AM
🌇 Golden hour (PM)
5:12 PM – 6:12 PM
🌆 Blue hour (PM)
6:12 PM – 6:52 PM
Milky Way galactic core
Good
Galactic core is up but lower on the horizon; head well outside city limits for a clean view.

📅 When to book — Adelaide in April

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on April's tier (High season) and Adelaide's popularity.

✈ Flights — lead time
2-3 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
2-3 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

Crowds & pricing — April in Adelaide

High season

This is a busy month in Adelaide — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: excellent tourism weather

Sun & mosquito risk — April in Adelaide

☀️ UV Index (noon, 15th)
8.3
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Adelaide in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 28°C / 82°F 17°C / 62°F 34 mm 8
February 27°C / 81°F 17°C / 62°F 23 mm 6
March 25°C / 77°F 15°C / 60°F 20 mm 9
April 21°C / 71°F 13°C / 56°F 53 mm 12
May 17°C / 63°F 11°C / 52°F 71 mm 16
June 15°C / 58°F 9°C / 48°F 83 mm 17
July 14°C / 57°F 8°C / 47°F 88 mm 19
August 15°C / 59°F 8°C / 47°F 78 mm 18
September 17°C / 63°F 10°C / 49°F 53 mm 15
October 21°C / 69°F 12°C / 53°F 47 mm 14
November 23°C / 73°F 13°C / 56°F 42 mm 11
December 26°C / 79°F 15°C / 59°F 23 mm 9

Other cities with similar April weather

🌍 See the full ranked list of climate twins for Adelaide in April →

Frequently asked questions

How hot is Adelaide in April?

In April, Adelaide averages a high of 21°C (71°F) and a low of 13°C (56°F) — generally mild and pleasant.

Does it rain a lot in Adelaide in April?

April can be fairly wet in Adelaide, with about 12 rainy days on average.

Is April a good time to visit Adelaide?

April is mild and pleasant. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Adelaide in April?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full April packing list for Adelaide for a complete, climate-based checklist.

Open Adelaide on the interactive map

Check the live 10-day forecast and sunrise/sunset.