Average annual temperature is 9.1 °C
Absolute maximum temperature: 25.7 °C
Absolute minimum temperature: -8.3 °C
Number of sunny days: 78 days
Number of rainy days: 285 days
Number of snow days: 2 days
Look at detailed online map of Llanddewi-Brefi
* Weather data for Llanddewi-Brefi 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) | 10.1 | 11.6 | 11.2 | 14.9 | 18.3 | 24.6 | 21.3 | 23.1 | 25.7 | 19.4 | 12.0 | 10.7 |
| Average daytime temperature (°C) | 5.8 | 7.3 | 7.4 | 10.1 | 14.8 | 19.5 | 16.1 | 16.3 | 17.7 | 12.7 | 7.9 | 7.4 |
| Average temperature (°C) | 3.6 | 4.6 | 4.9 | 6.8 | 10.7 | 15.2 | 13.3 | 13.6 | 14.6 | 10.3 | 5.8 | 5.7 |
| Average night temperature (°C) | 1.1 | 2.1 | 2.5 | 3.1 | 6.4 | 10.8 | 10.5 | 10.9 | 11.3 | 8.4 | 3.4 | 3.8 |
| Absolute minimum temperature (°C) | -8.3 | -2.2 | -2.2 | -0.4 | 3.0 | 6.1 | 7.6 | 7.7 | 5.4 | 2.8 | -4.4 | -6.2 |
| 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) | 3.7 | 4.5 | 4.3 | 7.6 | 11.4 | 11.6 | 9.4 | 8.2 | 7.0 | 5.1 | 3.5 | 2.0 |
| Precipitation (mm) | 183 | 36 | 226 | 131 | 35 | 95 | 213 | 141 | 168 | 188 | 170 | 237 |
| Sunny days | 6 | 12 | 4 | 10 | 14 | 12 | 1 | 0 | 8 | 5 | 3 | 3 |
| Rainy days | 24 | 16 | 26 | 20 | 17 | 18 | 30 | 31 | 22 | 26 | 27 | 28 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Llanddewi-Brefi during the most sunny months:
Months with the longest average daylight duration in Llanddewi-Brefi:
The largest precipitation sum in Llanddewi-Brefi is at