Mount Helena Weather in May
What's the weather like in Mount Helena (Western Australia) in May 2025?
The climate in Mount Helena during May can be summarized as mild and damp.
May is in the fall / autumn in Mount Helena and is typically the 5th coldest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 9°C (48°F) is normal.
| Daytime temperature | 20.3°C 68.5°F |
|---|---|
| Nightly temperature | 8.8°C 47.8°F |
| Average temperature | 14.5°C 58.1°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 119 mm 4.7 ins |
| Rainy days | 12 days |
| Sea temperature | 22°C 71.6°F |
| Humidity | 62% |
| Windspeed | 13.7kph 9 mph |
On average May is the 4th wettest month of the year in Mount Helena with around 119mm 4.7 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
May temperatures in Mount Helena
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 Mount Helena in May 2025.
Other monthly averages
Mount Helena weather stats
| Hottest month: | February | 31.3°C 88.3°F |
|---|---|---|
| Driest month: | January | 13mm 0.5ins |
| Sunniest month: | January | 11.8hrs |
| Coldest month: | July | 16.1°C 61°F |
| Wettest month: | June | 190mm 7.5ins |
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