Cairns in May
So, what's Cairns actually like in May? In a word: comfortable. It's autumn, and the days are averaging 26.1 degrees.
The average daily maximum is 26.1 degrees with overnight lows of 20.6 degrees. Comfortable during the day, with evenings that invite a light layer.
At 26.1 degrees, May sits 2.2 degrees below the annual average of 28.3 degrees.
You're looking at 82mm of rain across 21 days in a typical May. Moderate, often falling in a few good dumps rather than constant drizzle.
Solar exposure averages 14.8 MJ/m2 per day in May, with UV levels in the very high range. You'll want SPF 50+ and a decent hat.
May scores a respectable 6.9/10 for overall comfort.
Packing tip: bring a mix of short and long sleeves, a rain jacket or compact umbrella, and SPF 50+ sunscreen and a hat.
Check the data table below for the full picture, or compare Cairns in May with another destination.
May at a Glance
Temperature Range
Daily temperature range in May. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- T-shirts and shorts for daytime
- Proper rain gear for frequent showers
Coming From Overseas?
How May in Cairns stacks up against major cities around the world.
About 8 degrees warmer and considerably wetter.
About 3 degrees warmer and considerably drier.
About 2 degrees warmer and considerably drier.
How May Compares
Cairns's monthly climate at a glance. May 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 |