Colchester Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Colchester.

Climate overview of Colchester

Colchester, Essex, United Kingdom, experiences significant temperature variation throughout the year. Summers bring daytime highs of 22°C (72°F) in August, while winters cool to 9°C (48°F) in January.

Colchester sees a moderate amount of rainfall, totalling around 708 mm (28 in) per year. It experiences warm summers and cold winters, creating some seasonal variation. July is the sunniest month, averaging 7.0 hours of sunshine per day.

Colchester Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Colchester - and find the best time to visit.

Monthly Temperature in Colchester

Depending on the time of the year, temperatures range from comfortable to chilly in Colchester. Average maximum daytime temperatures range from a comfortable 22°C (72°F) in August, the warmest time of the year, to a chilly 9°C (48°F) during cooler months like January.

At night, you can expect temperatures ranging from 15°C (59°F) in August to around 3°C (37°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Colchester

Generally, Colchester has a moderate amount of precipitation, averaging 708 mm (28 in) of rainfall annually. Year-round, Colchester has a balanced climate with minimal variation in precipitation. The difference between the wettest month, October, with 67 mm (2.6 in), and the driest month, March, with 46 mm (1.8 in), is minimal. For more details, please visit our Colchester Precipitation page.

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

Sunshine Hours in Colchester

Seasonal changes in sunshine hours are quite dramatic in Colchester. While July receives considerable daily sunshine with up to 7.0 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Chelmsford, the United Kingdom (34 KM, 21 Miles).

Daily hours of sunshine

Data from: Chelmsford, the United Kingdom (34 KM, 21 Miles).

Best Time to Visit Colchester

The most comfortable overall weather for exploring Colchester is usually found in July and August. Conditions are generally least comfortable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: July and August
  • Warmest weather: July and August
  • Most sunshine: July and August
  • Seasonal pattern: Warm summers and cold winters

Frequently asked questions about the climate in Colchester

What is the best time to visit Colchester?

July and August typically offer the most optimal weather in Colchester. In contrast, January, February and December tend to have less optimal conditions. Colchester has warm summers and cold winters.

What temperatures can I expect in Colchester?

Daytime highs range from 9°C (48°F) in January to 22°C (72°F) in August. Nighttime lows range from 3°C (37°F) to 15°C (59°F). Temperatures vary considerably through the year.

How much rain does Colchester get?

Annual rainfall is around 708 mm (28 in). October is the wettest month with 67 mm (2.6 in), while March is the driest with 46 mm (1.8 in).

How sunny is Colchester?

Colchester receives around 1,609 hours of sunshine per year. July is the sunniest month with 211 hours, while December is the cloudiest with just 49 hours.

Colchester 3-Day Forecast

Colchester on the map

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Popular this month

Where to go in August - average daytime high across popular destinations.

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