The best time to visit Hemel Hempstead
Month-by-month climate averages for Hemel Hempstead, England, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Hemel Hempstead is usually May, June, July and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest September rain is behind you.
Hemel Hempstead is warmest in August (highs near 21°C) and coldest in January (lows around 2°C), with roughly 918 mm of precipitation across the year and September the wettest month. The sweet spot for most visitors is May, June, July and August.
These are long-run averages. For the actual days you are travelling, check the live Hemel Hempstead forecast — and note how much the models agree, because that tells you how much to trust it.
Hemel Hempstead weather by month
what to expect in Hemel Hempstead through the yearHere is Hemel Hempstead'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 Hemel Hempstead by season.