The best time to visit Chelmsford
Month-by-month climate averages for Chelmsford, England, so you can pick your dates on data rather than guesswork.
The most comfortable time to visit Chelmsford is usually May, June, August and September, when daytime highs sit in the pleasant 16-26°C range and the heaviest July rain is behind you.
Chelmsford is warmest in August (highs near 22°C) and coldest in January (lows around 2°C), with roughly 822 mm of precipitation across the year and July the wettest month. The sweet spot for most visitors is May, June, August and September.
These are long-run averages. For the actual days you are travelling, check the live Chelmsford forecast — and note how much the models agree, because that tells you how much to trust it.
Chelmsford weather by month
what to expect in Chelmsford through the yearHere is Chelmsford'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 Chelmsford by season.