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The weather in St Helens in March is very cold with temperatures between 3°C and 10°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in St Helens during the month of March. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that St Helens can expect a few days of snow in March.
Our weather forecast can give you a great sense of what weather to expect in St Helens in March 2025.
If you’re planning to visit St Helens in the near future, we highly recommend that you review the 14 day weather forecast for St Helens before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 8 | 18 | 5 | 72 mm | Awful | St Helens in January |
| February | 7° / 2° | 8 | 14 | 6 | 70 mm | Awful | St Helens in February |
| March | 10° / 3° | 6 | 23 | 2 | 61 mm | Bad | St Helens in March |
| April | 13° / 5° | 5 | 24 | 1 | 54 mm | Ok | St Helens in April |
| May | 16° / 7° | 5 | 26 | 0 | 80 mm | Good | St Helens in May |
| June | 19° / 10° | 6 | 24 | 0 | 98 mm | Good | St Helens in June |
| July | 21° / 13° | 5 | 26 | 0 | 87 mm | Good | St Helens in July |
| August | 21° / 13° | 6 | 25 | 0 | 84 mm | Good | St Helens in August |
| September | 19° / 11° | 3 | 27 | 0 | 48 mm | Good | St Helens in September |
| October | 14° / 9° | 6 | 25 | 0 | 77 mm | Good | St Helens in October |
| November | 10° / 5° | 7 | 22 | 0 | 71 mm | Bad | St Helens in November |
| December | 7° / 3° | 8 | 20 | 3 | 89 mm | Awful | St Helens in December |