Cairns in April
So, what's Cairns actually like in April? In a word: summery. It's autumn, and the days are averaging 28.6 degrees.
Daytime highs average 28.6 degrees, dropping to 22.1 degrees overnight. That's a 6-degree swing between day and night. The warmth sticks around even after dark.
April's temperature is very close to the annual average for Cairns.
Rainfall in April averages 121mm over about 20 days. That means roughly a 67% chance of rain on any given day, so definitely bring rain gear.
Sunshine-wise, April delivers around 17.3 MJ/m2 of daily solar radiation. UV sits in the very high category. You'll want SPF 50+ and a decent hat.
At 5.4/10 on the Comfort Score, April is middle of the road.
For your suitcase: t-shirts with a light layer for evenings, waterproof gear, and SPF 50+ sunscreen and a hat.
The sea breeze usually kicks in by early afternoon in April, which is genuinely welcome. It can knock 3 to 5 degrees off the feels-like temperature.
The full data breakdown is below. You can also see how other Australian cities compare in April.
April at a Glance
Temperature Range
Daily temperature range in April. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Comfortable casual wear suitable for warm days
- Proper rain gear for frequent showers
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How April in Cairns stacks up against major cities around the world.
About 14 degrees warmer and considerably wetter.
About 11 degrees warmer and considerably wetter.
About 10 degrees warmer and considerably drier.
How April Compares
Cairns's monthly climate at a glance. April is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 31.2 | 24.5 | 689mm | 2.9 |
| Feb | 30.5 | 24.3 | 316mm | 3.4 |
| Mar | 29.5 | 23.8 | 514mm | 3.7 |
| Apr | 28.6 | 22.1 | 121mm | 5.4 |
| May | 26.1 | 20.6 | 82mm | 6.9 |
| Jun | 25.9 | 16.7 | 18mm | 9.0 |
| Jul | 24.6 | 16.9 | 66mm | 9.2 |
| Aug | 25.6 | 17.8 | 61mm | 8.6 |
| Sep | 27.1 | 19.1 | 60mm | 7.9 |
| Oct | 29.1 | 20.5 | 25mm | 7.3 |
| Nov | 30.2 | 21.7 | 61mm | 6.1 |
| Dec | 30.9 | 23.6 | 379mm | 3.5 |