Colchester Weather & Climate: Best Time to Visit

With minimal seasonal shifts, Colchester experiences a constant climate year-round. Typically, average maximum daytime temperatures range from a comfortable 27°C (81°F) in February to a pleasant 21°C (70°F) in the coolest month, July.

Nights vary from 19°C (66°F) in February to around 11°C (52°F) during the colder months.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Colchester receives mid-range precipitation levels, with 528 mm (21 in) annually. The climate in Colchester shows significant variation throughout the year. Expect moderate rainfall in November, the wettest month, with an average of 62 mm (2.4 in) of precipitation over 9 rainy days.

In contrast, the driest month May offers drier and sunnier days, with around 28 mm (1.1 in) of rainfall over 6 rainy days. For more details, please visit our Colchester Precipitation page.

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

The average number of days each month with precipitation

Colchester offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between December (9.4 hours daily) and June (6.8 hours daily) provides a bit of variety for visitors and residents.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Colchester.

The city experiences its highest humidity in March, reaching 82%. In June, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year