Average annual temperature is 10.2 °C
Absolute maximum temperature: 27.1 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 97 days
Number of rainy days: 265 days
Number of snow days: 3 days
Look at detailed online map of Tref-y-Clawdd
* Weather data for Tref-y-Clawdd 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) | 11.7 | 12.7 | 13.0 | 16.3 | 19.2 | 25.0 | 23.3 | 23.8 | 27.1 | 21.6 | 13.9 | 12.0 |
| Average daytime temperature (°C) | 7.2 | 8.6 | 8.6 | 11.1 | 16.2 | 20.7 | 18.1 | 18.5 | 19.3 | 14.3 | 9.1 | 8.4 |
| Average temperature (°C) | 4.6 | 5.7 | 6.0 | 7.5 | 11.9 | 16.1 | 14.9 | 15.1 | 15.7 | 11.3 | 6.7 | 6.4 |
| Average night temperature (°C) | 2.1 | 2.8 | 3.6 | 3.7 | 7.7 | 11.5 | 11.7 | 11.8 | 12.1 | 8.7 | 4.3 | 4.3 |
| Absolute minimum temperature (°C) | -3.8 | -3.0 | -3.4 | -3.1 | 4.7 | 5.4 | 8.4 | 9.2 | 6.7 | 2.9 | -2.5 | -4.6 |
| 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) | 8.3 | 9.9 | 11.9 | 13.9 | 15.7 | 16.7 | 16.2 | 14.6 | 12.7 | 10.6 | 8.8 | 7.8 |
| 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) | 3.9 | 5.0 | 4.6 | 6.8 | 11.1 | 11.6 | 10.2 | 9.1 | 7.0 | 5.1 | 4.0 | 1.8 |
| Precipitation (mm) | 86 | 7 | 121 | 93 | 32 | 62 | 134 | 73 | 94 | 156 | 64 | 152 |
| Sunny days | 12 | 15 | 2 | 7 | 11 | 14 | 2 | 3 | 9 | 9 | 9 | 4 |
| Rainy days | 18 | 13 | 28 | 23 | 20 | 16 | 29 | 28 | 21 | 22 | 21 | 26 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Tref-y-Clawdd during the most sunny months:
Months with the longest average daylight duration in Tref-y-Clawdd:
The largest precipitation sum in Tref-y-Clawdd is at