St Helens in March
If March is your window for visiting St Helens, here's what the climate data says you can expect.
The average daily maximum is 21.5 degrees with overnight lows of 12.1 degrees. That's solidly pleasant territory. Great for being outdoors.
At 21.5 degrees, March runs 3.7 degrees above St Helens's annual average of 17.8 degrees.
The rain data says 35mm over 6 days. Light enough that it won't ruin your plans.
Sunshine-wise, March delivers around 16.7 MJ/m2 of daily solar radiation. UV sits in the very high category. You'll want SPF 50+ and a decent hat.
Our Comfort Score rates March at 8.6/10. That's about as good as it gets.
For your suitcase: layers you can peel on and off, and serious sun protection.
Scroll down for the detailed climate data, or explore what nearby cities are like in March.
March at a Glance
Temperature Range
Daily temperature range in March. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- A jumper or light cardigan for flexibility
- A light rain jacket just in case
- Sunscreen (SPF 30+) and sunglasses for UV protection
Coming From Overseas?
How March in St Helens stacks up against major cities around the world.
About 10 degrees warmer and considerably drier.
About 12 degrees warmer and considerably drier.
About 8 degrees warmer and considerably drier.
How March Compares
St Helens's monthly climate at a glance. March is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 22.3 | 13.9 | 41mm | 9.5 |
| Feb | 23.5 | 13.1 | 80mm | 10.0 |
| Mar | 21.5 | 12.1 | 35mm | 8.6 |
| Apr | 18.0 | 9.3 | 70mm | 5.5 |
| May | 15.3 | 8.2 | 81mm | 2.5 |
| Jun | 12.6 | 6.2 | 79mm | 1.0 |
| Jul | 12.1 | 5.3 | 125mm | 1.0 |
| Aug | 15.0 | 8.3 | 61mm | 2.6 |
| Sep | 15.2 | 7.5 | 87mm | 3.2 |
| Oct | 17.2 | 8.2 | 56mm | 5.7 |
| Nov | 19.1 | 10.8 | 158mm | 5.9 |
| Dec | 22.1 | 12.1 | 49mm | 9.5 |