Derby Weather in May
What's the weather like in Derby (Western Australia) in May 2025?
The climate in Derby during May can be summarized as hot and dry.
May is in the fall / autumn in Derby and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a warm 32°C (90°F), whilst at night 19°C (67°F) is normal.
| Daytime temperature | 32.4°C 90.2°F |
|---|---|
| Nightly temperature | 19.3°C 66.7°F |
| Average temperature | 25.8°C 78.4°F |
| Daily sunshine | 9.8 hrs |
| Avg rainfall | 17 mm 0.7 ins |
| Rainy days | 3 days |
| Sea temperature | 28.7°C 83.7°F |
| Humidity | 41% |
| Windspeed | 11.5kph 7 mph |
On average May is the 6th wettest month of the year in Derby with around 17mm 0.7 inches of rain making it a dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.8 hours of sunshine per day.
May temperatures in Derby
May rainfall
May hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Derby in May 2025.
Other monthly averages
Derby weather stats
| Hottest month: | December | 36°C 96.8°F |
|---|---|---|
| Driest month: | August | 0mm 0ins |
| Sunniest month: | August | 11.4hrs |
| Coldest month: | July | 29.3°C 84.7°F |
| Wettest month: | January | 222mm 8.7ins |
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