Average annual temperature is 11.2 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: -5.7 °C
Number of sunny days: 130 days
Number of rainy days: 235 days
Look at detailed online map of Keymer
* Weather data for Keymer 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) | 12.0 | 12.2 | 12.8 | 16.7 | 19.8 | 27.7 | 26.1 | 24.5 | 29.7 | 21.7 | 14.5 | 13.4 |
| Average daytime temperature (°C) | 7.9 | 8.9 | 9.3 | 12.2 | 16.3 | 21.9 | 19.4 | 19.9 | 21.9 | 16.2 | 10.4 | 9.8 |
| Average temperature (°C) | 4.9 | 5.6 | 6.8 | 8.3 | 12.0 | 17.2 | 16.5 | 16.4 | 17.7 | 13.1 | 7.8 | 7.6 |
| Average night temperature (°C) | 1.9 | 2.6 | 4.2 | 4.5 | 7.7 | 12.4 | 13.0 | 12.8 | 13.8 | 10.2 | 4.8 | 5.5 |
| Absolute minimum temperature (°C) | -5.7 | -3.4 | -2.3 | 0.1 | 4.3 | 7.7 | 9.1 | 8.4 | 7.4 | 2.9 | -1.9 | -3.5 |
| 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) | 8.5 | 10.0 | 11.9 | 13.8 | 15.5 | 16.4 | 16.0 | 14.5 | 12.6 | 10.7 | 9.0 | 8.0 |
| Daylight minimum duration (h) | 8.0 | 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) | 3.9 | 4.4 | 4.1 | 8.0 | 10.7 | 13.4 | 10.3 | 10.3 | 9.5 | 6.8 | 4.2 | 2.7 |
| Precipitation (mm) | 112 | 4 | 134 | 97 | 49 | 36 | 115 | 78 | 57 | 132 | 116 | 115 |
| Sunny days | 15 | 19 | 3 | 11 | 16 | 19 | 2 | 4 | 13 | 12 | 9 | 7 |
| Rainy days | 16 | 9 | 28 | 19 | 15 | 11 | 29 | 27 | 17 | 19 | 21 | 24 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Keymer during the most sunny months:
Months with the longest average daylight duration in Keymer:
The largest precipitation sum in Keymer is at