Average annual temperature is 10.9 °C
Absolute maximum temperature: 29.9 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 131 days
Number of rainy days: 234 days
Look at detailed online map of Dereham
* Weather data for Dereham 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) | 12.9 | 14.8 | 14.8 | 16.7 | 18.9 | 29.1 | 27.3 | 25.3 | 29.9 | 22.6 | 14.2 | 13.6 |
| Average daytime temperature (°C) | 7.9 | 9.5 | 9.7 | 11.9 | 15.3 | 21.3 | 20.6 | 20.9 | 21.8 | 16.0 | 9.8 | 9.2 |
| Average temperature (°C) | 4.8 | 6.0 | 6.7 | 7.9 | 11.6 | 16.8 | 16.7 | 16.9 | 17.2 | 12.5 | 7.1 | 6.9 |
| Average night temperature (°C) | 1.7 | 2.9 | 3.5 | 3.8 | 7.8 | 12.0 | 12.8 | 13.0 | 13.0 | 9.4 | 4.5 | 4.1 |
| Absolute minimum temperature (°C) | -4.6 | -2.8 | -3.4 | -1.1 | 3.4 | 8.3 | 8.7 | 8.8 | 9.0 | 3.3 | -2.3 | -3.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 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) | 8.3 | 9.9 | 11.9 | 14.0 | 15.8 | 16.8 | 16.3 | 14.7 | 12.7 | 10.6 | 8.7 | 7.7 |
| 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) | 4.3 | 5.1 | 4.5 | 8.8 | 10.3 | 11.9 | 10.7 | 11.2 | 8.5 | 4.9 | 4.0 | 2.3 |
| Precipitation (mm) | 42 | 7 | 85 | 72 | 67 | 45 | 101 | 67 | 79 | 133 | 71 | 86 |
| Sunny days | 13 | 19 | 2 | 9 | 13 | 18 | 4 | 11 | 15 | 11 | 7 | 9 |
| Rainy days | 18 | 9 | 29 | 21 | 18 | 12 | 27 | 20 | 15 | 20 | 23 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Dereham during the most sunny months:
Months with the longest average daylight duration in Dereham:
The largest precipitation sum in Dereham is at