Caloundra in May
May in Caloundra is peak autumn, and the weather reflects it. You're looking at average daily highs of 22.3 degrees.
Daytime highs average 22.3 degrees, dropping to 14.8 degrees overnight. That's a 8-degree swing between day and night. Comfortable during the day, with evenings that invite a light layer.
At 22.3 degrees, May sits 2.8 degrees below the annual average of 25.1 degrees.
You're looking at 74mm of rain across 18 days in a typical May. A decent amount, but not relentless.
Solar exposure averages 13.0 MJ/m2 per day in May, with UV levels in the high range. Sun protection is still a good idea, especially around midday.
The Comfort Score for May comes in at 7.4/10, solidly pleasant.
Packing tip: bring t-shirts with a light layer for evenings, a rain jacket or compact umbrella, and SPF 50+ sunscreen and a hat.
The full data breakdown is below. You can also see how other Australian cities compare in May.
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
- Comfortable casual wear suitable for warm days
- Proper rain gear for frequent showers
Coming From Overseas?
How May in Caloundra stacks up against major cities around the world.
About 4 degrees warmer and considerably wetter.
About 1 degrees cooler and considerably drier.
About 2 degrees cooler and considerably drier.
How May Compares
Caloundra's monthly climate at a glance. May is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 28.4 | 22.5 | 376mm | 4.8 |
| Feb | 28.5 | 21.6 | 208mm | 5.3 |
| Mar | 26.5 | 20.7 | 253mm | 6.1 |
| Apr | 25.1 | 17.6 | 155mm | 7.6 |
| May | 22.3 | 14.8 | 74mm | 7.4 |
| Jun | 21.6 | 11.0 | 20mm | 8.5 |
| Jul | 20.1 | 11.3 | 70mm | 6.8 |
| Aug | 23.3 | 13.8 | 102mm | 8.9 |
| Sep | 24.7 | 14.5 | 31mm | 10.0 |
| Oct | 25.6 | 17.0 | 96mm | 8.8 |
| Nov | 27.1 | 20.0 | 230mm | 6.3 |
| Dec | 28.0 | 21.1 | 245mm | 5.8 |