Average annual temperature is 11.4 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -3.6 °C
Number of sunny days: 171 days
Number of rainy days: 192 days
Number of snow days: 2 days
Look at detailed online map of Colchester
* Weather data for Colchester United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.9 | 13.3 | 15.9 | 22.8 | 28.3 | 29.0 | 30.7 | 32.4 | 27.3 | 26.0 | 15.9 | 14.1 |
| Average daytime temperature (°C) | 8.2 | 8.0 | 10.5 | 12.4 | 20.5 | 22.1 | 26.3 | 26.8 | 21.5 | 16.2 | 10.6 | 9.5 |
| Average temperature (°C) | 5.6 | 4.5 | 5.9 | 7.9 | 14.6 | 15.8 | 19.2 | 20.1 | 15.7 | 11.9 | 7.7 | 6.9 |
| Average night temperature (°C) | 3.6 | 2.1 | 2.6 | 5.1 | 10.0 | 11.1 | 13.4 | 15.2 | 12.1 | 9.1 | 5.5 | 5.0 |
| Absolute minimum temperature (°C) | -3.6 | -3.6 | -1.1 | 0.0 | 5.7 | 8.2 | 11.8 | 11.9 | 8.6 | 2.9 | -0.3 | 1.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.1 | 5.0 | 7.3 | 6.6 | 10.6 | 11.2 | 12.9 | 10.8 | 8.4 | 6.2 | 5.3 | 2.4 |
| Precipitation (mm) | 134 | 79 | 83 | 164 | 19 | 47 | 6 | 60 | 92 | 96 | 146 | 231 |
| Sunny days | 5 | 9 | 11 | 5 | 21 | 20 | 25 | 20 | 16 | 15 | 15 | 9 |
| Rainy days | 25 | 18 | 20 | 25 | 10 | 10 | 6 | 11 | 14 | 16 | 15 | 22 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Colchester during the most sunny months:
Months with the longest average daylight duration in Colchester:
The largest precipitation sum in Colchester is at