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Chelmsford Climate by Month

The temperature in Chelmsford can vary quite a bit throughout the year. Temperatures can be warm during the warmest months, and cold during the cooler months. It receives a reasonable amount of rain/snowfall. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

Visitors to Chelmsford can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 23°C in July. In February, the coolest month of the year, temperatures drop to a chilly 9°C. At night, expect cooler temperatures, averaging 3°C during this month.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Generally, Chelmsford experiences moderate precipitation patterns, averaging 674 mm yearly. Despite minor fluctuations, Chelmsford enjoys fairly consistent precipitation throughout the year. In August, you can expect around 65 mm of precipitation, while in March, Chelmsford receives about 45 mm.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

Chelmsford can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.6 hours of sunlight per day.

Monthly hours of sunshine

Daily hours of sunshine

The best time of year to visit Chelmsford in the United Kingdom

During the months of June, July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Chelmsford?
    July has an average maximum temperature of 23°C and is the warmest month of the year.
  • Which is the coldest month in Chelmsford?
    The coldest month is February with an average maximum temperature of 9°C.
  • Which is the wettest month in Chelmsford?
    August tops the wettest month list with 65 mm of rainfall.
  • Which is the driest month in Chelmsford?
    March is the driest month with 45 mm of precipitation.
  • Which is the sunniest month in Chelmsford?
    July is the sunniest month with an average of 211 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Chelmsford

    Sun   Dec 15
    12°C | 4°C
    W 22 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Mon   Dec 16
    11°C | 6°C
    SW 22 km/h
    0.4 mm
    broken clouds and small chance of slight rain

    broken clouds and small chance of slight rain

    Tue   Dec 17
    11°C | 6°C
    S 22 km/h
    overcast and no rain

    overcast and no rain