Average annual temperature is 11.4 °C
Absolute maximum temperature: 26.8 °C
Absolute minimum temperature: -3.4 °C
Number of sunny days: 70 days
Number of rainy days: 294 days
Number of snow days: 1 day
Look at detailed online map of Conwy
* Weather data for Conwy 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) | 12.5 | 13.7 | 14.5 | 16.1 | 18.4 | 26.8 | 24.7 | 26.3 | 26.7 | 21.4 | 14.3 | 13.5 |
| Average daytime temperature (°C) | 8.4 | 9.7 | 9.3 | 12.1 | 15.6 | 21.2 | 18.5 | 18.6 | 19.6 | 15.1 | 10.1 | 9.6 |
| Average temperature (°C) | 6.4 | 7.4 | 7.0 | 9.0 | 12.5 | 17.1 | 15.9 | 15.9 | 16.4 | 12.3 | 8.3 | 7.8 |
| Average night temperature (°C) | 4.3 | 5.2 | 4.6 | 6.0 | 9.3 | 12.9 | 13.4 | 13.3 | 13.4 | 9.7 | 6.0 | 5.7 |
| Absolute minimum temperature (°C) | -2.4 | 0.3 | -3.4 | 1.3 | 5.5 | 8.1 | 10.5 | 9.3 | 8.3 | 4.3 | -1.3 | -3.2 |
| 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 | 7.0 |
| Daylight mean duration (h) | 8.2 | 9.8 | 11.9 | 14.0 | 15.9 | 16.9 | 16.4 | 14.7 | 12.7 | 10.6 | 8.7 | 7.6 |
| Daylight minimum duration (h) | 7.0 | 8.0 | 10.0 | 13.0 | 15.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 |
| Sunshine mean duration (h) | 3.9 | 4.9 | 4.7 | 8.5 | 11.7 | 12.4 | 9.9 | 9.6 | 6.9 | 5.4 | 3.6 | 1.8 |
| Precipitation (mm) | 129 | 26 | 185 | 85 | 31 | 39 | 157 | 135 | 116 | 156 | 119 | 151 |
| Sunny days | 3 | 8 | 1 | 7 | 16 | 11 | 1 | 3 | 8 | 6 | 3 | 3 |
| Rainy days | 28 | 20 | 29 | 23 | 15 | 19 | 30 | 28 | 22 | 25 | 27 | 28 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Conwy during the most sunny months:
Months with the longest average daylight duration in Conwy:
The largest precipitation sum in Conwy is at