Average annual temperature is 10.4 °C
Absolute maximum temperature: 26.7 °C
Absolute minimum temperature: -7.7 °C
Number of sunny days: 73 days
Number of rainy days: 290 days
Number of snow days: 2 days
Look at detailed online map of Islawr-Dref
* Weather data for Islawr-Dref 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) | 11.6 | 13.8 | 13.9 | 16.2 | 21.4 | 26.7 | 23.6 | 25.1 | 26.5 | 19.9 | 13.1 | 12.1 |
| Average daytime temperature (°C) | 7.4 | 8.8 | 8.8 | 12.1 | 17.3 | 21.3 | 17.3 | 18.1 | 19.2 | 14.2 | 9.1 | 8.6 |
| Average temperature (°C) | 5.0 | 5.9 | 6.2 | 8.2 | 12.6 | 16.7 | 14.6 | 15.0 | 15.8 | 11.4 | 7.0 | 6.7 |
| Average night temperature (°C) | 2.3 | 2.9 | 3.2 | 4.0 | 7.5 | 11.9 | 11.8 | 12.0 | 12.5 | 8.7 | 4.3 | 4.6 |
| Absolute minimum temperature (°C) | -6.3 | -2.2 | -7.7 | -0.9 | 2.2 | 7.3 | 7.6 | 9.2 | 6.4 | 1.5 | -3.2 | -5.0 |
| 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 | 8.0 |
| Daylight mean duration (h) | 8.3 | 9.9 | 11.9 | 14.0 | 15.8 | 16.8 | 16.3 | 14.7 | 12.7 | 10.6 | 8.7 | 7.7 |
| 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) | 3.4 | 4.3 | 4.3 | 8.1 | 11.4 | 11.6 | 9.1 | 8.9 | 7.0 | 5.1 | 3.5 | 1.8 |
| Precipitation (mm) | 283 | 58 | 308 | 118 | 40 | 103 | 322 | 173 | 237 | 252 | 228 | 349 |
| Sunny days | 5 | 11 | 4 | 9 | 15 | 11 | 0 | 1 | 5 | 5 | 6 | 1 |
| Rainy days | 25 | 17 | 26 | 21 | 16 | 19 | 31 | 30 | 25 | 26 | 24 | 30 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Islawr-Dref during the most sunny months:
Months with the longest average daylight duration in Islawr-Dref:
The largest precipitation sum in Islawr-Dref is at