Saint Helens Weather in May
What's the weather like in Saint Helens (England) in May 2025?
The climate in Saint Helens during May can be summarized as mild and reasonably dry.
May is in the spring in Saint Helens and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (60°F), whilst at night 7°C (45°F) is normal.
| Daytime temperature | 15.5°C 59.9°F |
|---|---|
| Nightly temperature | 7.3°C 45.1°F |
| Average temperature | 11.4°C 52.5°F |
| Daily sunshine | 6.5 hrs |
| Avg rainfall | 61 mm 2.4 ins |
| Rainy days | 15 days |
| Sea temperature | 10°C 49.9°F |
| Humidity | 76% |
| Windspeed | 16.6kph 10 mph |
On average May is the 4th driest month of the year in Saint Helens with around 61mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
May temperatures in Saint Helens
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 Saint Helens in May 2025.
Other monthly averages
Saint Helens weather stats
| Hottest month: | July | 19.3°C 66.7°F |
|---|---|---|
| Driest month: | February | 51mm 2ins |
| Sunniest month: | May | 6.5hrs |
| Coldest month: | January | 6.4°C 43.5°F |
| Wettest month: | November | 84mm 3.3ins |
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