Average annual temperature is 10.6 °C
Absolute maximum temperature: 25.2 °C
Absolute minimum temperature: -5.9 °C
Number of sunny days: 54 days
Number of rainy days: 311 days
Look at detailed online map of Derry
* Weather data for Derry Ireland is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.7 | 12.3 | 13.0 | 16.6 | 22.2 | 23.4 | 20.5 | 21.8 | 25.2 | 18.5 | 12.8 | 11.9 |
| Average daytime temperature (°C) | 8.1 | 9.3 | 8.9 | 11.8 | 15.1 | 19.9 | 15.8 | 16.7 | 17.2 | 13.1 | 9.9 | 8.9 |
| Average temperature (°C) | 6.2 | 7.6 | 6.6 | 9.0 | 12.0 | 16.5 | 13.9 | 14.6 | 14.5 | 11.0 | 8.2 | 7.4 |
| Average night temperature (°C) | 4.2 | 5.4 | 4.1 | 6.0 | 9.0 | 13.2 | 11.8 | 12.6 | 11.7 | 8.9 | 6.2 | 5.9 |
| Absolute minimum temperature (°C) | -5.9 | -0.8 | -4.1 | 1.4 | 6.1 | 9.2 | 9.1 | 9.3 | 5.9 | 4.6 | -0.5 | -0.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 15.0 | 16.0 | 17.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.1 | 9.8 | 11.9 | 14.0 | 15.9 | 17.0 | 16.5 | 14.8 | 12.7 | 10.6 | 8.6 | 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) | 2.5 | 2.8 | 4.3 | 6.9 | 8.6 | 10.4 | 7.7 | 7.1 | 6.6 | 4.4 | 3.7 | 2.3 |
| Precipitation (mm) | 317 | 127 | 311 | 151 | 92 | 185 | 315 | 277 | 191 | 216 | 250 | 363 |
| Sunny days | 1 | 5 | 5 | 5 | 10 | 8 | 0 | 1 | 7 | 6 | 4 | 2 |
| Rainy days | 30 | 23 | 26 | 25 | 21 | 22 | 31 | 30 | 23 | 25 | 26 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Derry during the most sunny months:
Months with the longest average daylight duration in Derry:
The largest precipitation sum in Derry is at