Average annual temperature is 10.8 °C
Absolute maximum temperature: 26.5 °C
Absolute minimum temperature: -4.4 °C
Number of sunny days: 80 days
Number of rainy days: 284 days
Number of snow days: 1 day
Look at detailed online map of Cwm
* Weather data for Cwm 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) | 12.2 | 13.3 | 14.2 | 16.3 | 18.5 | 26.5 | 24.4 | 25.9 | 26.2 | 21.1 | 13.8 | 13.0 |
| Average daytime temperature (°C) | 7.9 | 9.3 | 8.9 | 11.7 | 15.4 | 21.0 | 18.2 | 18.2 | 19.3 | 14.7 | 9.5 | 9.0 |
| Average temperature (°C) | 5.7 | 6.9 | 6.5 | 8.4 | 12.0 | 16.7 | 15.3 | 15.4 | 15.9 | 11.6 | 7.5 | 7.1 |
| Average night temperature (°C) | 3.5 | 4.6 | 4.0 | 5.2 | 8.6 | 12.2 | 12.7 | 12.5 | 12.6 | 8.9 | 5.1 | 4.9 |
| Absolute minimum temperature (°C) | -3.2 | 0.0 | -4.4 | 0.0 | 5.3 | 7.3 | 9.9 | 8.0 | 7.1 | 3.3 | -2.4 | -4.4 |
| 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 | 7.0 |
| Daylight mean duration (h) | 8.2 | 9.8 | 11.9 | 14.0 | 15.9 | 16.9 | 16.4 | 14.7 | 12.7 | 10.6 | 8.7 | 7.6 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 4.0 | 5.0 | 4.8 | 8.3 | 11.9 | 12.5 | 9.9 | 9.9 | 6.9 | 5.2 | 3.9 | 2.0 |
| Precipitation (mm) | 119 | 27 | 173 | 87 | 40 | 52 | 155 | 114 | 102 | 167 | 133 | 137 |
| Sunny days | 7 | 8 | 1 | 7 | 16 | 13 | 3 | 2 | 8 | 9 | 3 | 3 |
| Rainy days | 24 | 20 | 29 | 23 | 15 | 17 | 28 | 29 | 22 | 22 | 27 | 28 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Cwm during the most sunny months:
Months with the longest average daylight duration in Cwm:
The largest precipitation sum in Cwm is at