The best time to visit St Helens
Month-by-month climate averages for St Helens, England, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit St Helens is usually June, July, August and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest October rain is behind you.
St Helens is warmest in July (highs near 19°C) and coldest in January (lows around 1°C), with roughly 936 mm of precipitation across the year and October the wettest month. The sweet spot for most visitors is June, July, August and September.
These are long-run averages. For the actual days you are travelling, check the live St Helens forecast - and note how much the models agree, because that tells you how much to trust it.
St Helens weather by month
what to expect in St Helens through the year, 1991-2020 averagesHere is St Helens's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to St Helens by season.