Average annual temperature is 9.8 °C
Absolute maximum temperature: 26.8 °C
Absolute minimum temperature: -4.6 °C
Number of sunny days: 87 days
Number of rainy days: 275 days
Number of snow days: 3 days
Look at detailed online map of Llansantffraed-Cwmdeuddwr
* Weather data for Llansantffraed-Cwmdeuddwr 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) | 10.7 | 12.1 | 12.2 | 16.3 | 19.7 | 24.5 | 22.8 | 23.6 | 26.8 | 21.5 | 12.7 | 11.2 |
| Average daytime temperature (°C) | 6.6 | 8.1 | 7.9 | 10.7 | 16.0 | 20.1 | 17.2 | 17.5 | 18.6 | 13.6 | 8.5 | 7.9 |
| Average temperature (°C) | 4.2 | 5.3 | 5.5 | 7.1 | 11.6 | 15.6 | 14.2 | 14.5 | 15.1 | 11.0 | 6.4 | 6.1 |
| Average night temperature (°C) | 1.7 | 2.6 | 3.2 | 3.3 | 7.1 | 11.0 | 11.4 | 11.5 | 11.4 | 8.7 | 4.0 | 4.2 |
| Absolute minimum temperature (°C) | -4.6 | -3.3 | -3.6 | -2.7 | 4.2 | 5.7 | 8.2 | 8.4 | 5.7 | 2.1 | -3.7 | -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) | 3.1 | 4.2 | 4.1 | 6.5 | 11.0 | 11.5 | 8.8 | 7.8 | 6.7 | 4.5 | 3.2 | 1.4 |
| Precipitation (mm) | 135 | 18 | 165 | 112 | 24 | 77 | 144 | 72 | 124 | 151 | 87 | 184 |
| Sunny days | 11 | 12 | 3 | 9 | 12 | 12 | 3 | 3 | 8 | 6 | 5 | 3 |
| Rainy days | 19 | 16 | 27 | 21 | 19 | 18 | 28 | 28 | 22 | 25 | 25 | 27 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Llansantffraed-Cwmdeuddwr during the most sunny months:
Months with the longest average daylight duration in Llansantffraed-Cwmdeuddwr:
The largest precipitation sum in Llansantffraed-Cwmdeuddwr is at