Hay in May
May in Hay is peak autumn, and the weather reflects it. You're looking at average daily highs of 18.0 degrees.
The average daily maximum is 18.0 degrees with overnight lows of 8.0 degrees. It's cool but manageable. A jumper handles most of it.
May is 5.9 degrees cooler than Hay's yearly average.
The rain data says 101mm over 6 days. A decent amount, but not relentless.
Solar exposure averages 11.0 MJ/m2 per day in May, with UV levels in the high range. Sun protection is still a good idea, especially around midday.
At 5.1/10 on the Comfort Score, May is middle of the road.
For your suitcase: layers you can peel on and off, a rain jacket or compact umbrella, and serious sun protection.
Scroll down for the detailed climate data, or explore what nearby cities are like 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
- A jumper or light cardigan for flexibility
- Extra layers for chilly nights
- A light rain jacket just in case
Coming From Overseas?
How May in Hay stacks up against major cities around the world.
About 0 degrees cooler and considerably wetter.
About 5 degrees cooler and considerably drier.
About 6 degrees cooler and considerably drier.
How May Compares
Hay's monthly climate at a glance. May is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 30.6 | 19.1 | 97mm | 5.8 |
| Feb | 33.0 | 18.7 | 7mm | 5.1 |
| Mar | 30.6 | 17.4 | 44mm | 6.3 |
| Apr | 21.5 | 10.5 | 34mm | 8.6 |
| May | 18.0 | 8.0 | 101mm | 5.1 |
| Jun | 13.8 | 5.0 | 16mm | 2.4 |
| Jul | 14.1 | 5.5 | 22mm | 2.6 |
| Aug | 18.2 | 7.7 | 17mm | 6.0 |
| Sep | 20.2 | 8.4 | 21mm | 8.1 |
| Oct | 24.9 | 12.0 | 33mm | 10.0 |
| Nov | 29.5 | 16.0 | 30mm | 7.2 |
| Dec | 32.0 | 17.9 | 17mm | 5.6 |