Average annual temperature is 11.5 °C
Absolute maximum temperature: 29.1 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 138 days
Number of rainy days: 227 days
Look at detailed online map of Dedham
* Weather data for Dedham United Kingdom is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 13.5 | 14.7 | 15.3 | 15.4 | 19.6 | 27.8 | 27.3 | 25.9 | 29.1 | 23.9 | 14.8 | 13.8 |
| Average daytime temperature (°C) | 8.5 | 9.7 | 10.1 | 12.1 | 16.2 | 22.1 | 21.2 | 21.4 | 22.3 | 16.8 | 10.4 | 9.7 |
| Average temperature (°C) | 5.2 | 6.0 | 7.2 | 8.4 | 12.1 | 17.5 | 17.5 | 17.3 | 17.9 | 13.3 | 7.5 | 7.5 |
| Average night temperature (°C) | 1.9 | 2.7 | 4.0 | 4.6 | 7.9 | 12.5 | 13.6 | 13.2 | 13.9 | 10.1 | 4.7 | 4.8 |
| Absolute minimum temperature (°C) | -5.1 | -2.9 | -3.8 | -0.3 | 4.7 | 8.1 | 10.2 | 8.8 | 8.9 | 1.8 | -2.9 | -2.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.4 | 9.9 | 11.9 | 13.9 | 15.7 | 16.6 | 16.2 | 14.6 | 12.7 | 10.7 | 8.8 | 7.9 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 4.2 | 4.9 | 4.3 | 8.6 | 10.9 | 12.5 | 10.5 | 10.8 | 9.1 | 6.0 | 4.1 | 2.8 |
| Precipitation (mm) | 55 | 6 | 115 | 78 | 53 | 34 | 96 | 86 | 59 | 101 | 73 | 85 |
| Sunny days | 15 | 17 | 2 | 9 | 18 | 19 | 5 | 7 | 16 | 9 | 9 | 12 |
| Rainy days | 16 | 11 | 29 | 21 | 13 | 11 | 26 | 24 | 14 | 22 | 21 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Dedham during the most sunny months:
Months with the longest average daylight duration in Dedham:
The largest precipitation sum in Dedham is at