Average annual temperature is 9.7 °C
Absolute maximum temperature: 26.7 °C
Absolute minimum temperature: -5.1 °C
Number of sunny days: 75 days
Number of rainy days: 285 days
Number of snow days: 5 days
Look at detailed online map of Rowardennan
* Weather data for Rowardennan 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) | 10.3 | 11.2 | 13.5 | 15.5 | 22.0 | 26.7 | 23.8 | 23.3 | 26.0 | 18.3 | 12.0 | 11.8 |
| Average daytime temperature (°C) | 6.6 | 8.6 | 8.5 | 11.8 | 15.9 | 20.6 | 17.5 | 18.1 | 17.4 | 12.2 | 8.1 | 6.9 |
| Average temperature (°C) | 4.2 | 6.3 | 5.1 | 7.9 | 11.9 | 16.0 | 14.6 | 15.0 | 14.1 | 9.9 | 5.7 | 5.1 |
| Average night temperature (°C) | 1.7 | 3.2 | 1.7 | 4.0 | 7.5 | 11.2 | 11.4 | 11.7 | 10.7 | 7.3 | 3.3 | 3.2 |
| Absolute minimum temperature (°C) | -3.9 | -2.9 | -5.1 | -1.9 | 4.3 | 7.3 | 7.8 | 8.3 | 5.8 | 1.3 | -2.3 | -2.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 13.0 | 15.0 | 17.0 | 17.0 | 17.0 | 16.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 7.7 | 9.6 | 11.9 | 14.2 | 16.4 | 17.5 | 17.0 | 15.1 | 12.8 | 10.4 | 8.3 | 7.0 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 17.0 | 16.0 | 13.0 | 11.0 | 9.0 | 7.0 | 6.0 |
| Sunshine mean duration (h) | 3.1 | 2.9 | 5.3 | 7.5 | 8.0 | 11.1 | 9.9 | 8.5 | 6.6 | 4.3 | 3.1 | 1.4 |
| Precipitation (mm) | 196 | 95 | 185 | 86 | 66 | 102 | 195 | 115 | 190 | 200 | 104 | 248 |
| Sunny days | 6 | 7 | 8 | 8 | 8 | 12 | 1 | 1 | 7 | 7 | 9 | 1 |
| Rainy days | 24 | 21 | 22 | 22 | 23 | 18 | 30 | 30 | 23 | 24 | 21 | 27 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The best time to visit Rowardennan during the most sunny months:
Months with the longest average daylight duration in Rowardennan:
The largest precipitation sum in Rowardennan is at