Average annual temperature is 10.6 °C
Absolute maximum temperature: 26.3 °C
Absolute minimum temperature: -4.7 °C
Number of sunny days: 66 days
Number of rainy days: 299 days
Look at detailed online map of Portrush
* Weather data for Portrush 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) | 12.6 | 13.2 | 15.1 | 16.8 | 18.7 | 25.8 | 21.3 | 22.1 | 26.3 | 20.3 | 13.8 | 13.0 |
| Average daytime temperature (°C) | 7.9 | 9.8 | 9.4 | 12.0 | 14.8 | 20.2 | 17.2 | 17.7 | 17.9 | 14.0 | 9.8 | 9.0 |
| Average temperature (°C) | 6.0 | 7.5 | 6.6 | 8.9 | 11.6 | 16.2 | 14.6 | 15.1 | 14.7 | 11.5 | 7.6 | 7.1 |
| Average night temperature (°C) | 3.9 | 4.9 | 3.9 | 5.5 | 8.3 | 12.1 | 12.1 | 12.7 | 11.6 | 9.2 | 5.0 | 5.2 |
| Absolute minimum temperature (°C) | -4.7 | -1.5 | -3.2 | 0.9 | 3.6 | 7.9 | 9.8 | 8.8 | 6.3 | 3.2 | 0.7 | -2.5 |
| 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 | 17.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 7.9 | 9.7 | 11.9 | 14.1 | 16.2 | 17.3 | 16.8 | 14.9 | 12.7 | 10.5 | 8.4 | 7.3 |
| 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 | 7.0 |
| Sunshine mean duration (h) | 3.0 | 3.4 | 5.4 | 8.1 | 9.4 | 12.1 | 9.5 | 9.5 | 7.2 | 4.7 | 4.4 | 2.2 |
| Precipitation (mm) | 97 | 50 | 131 | 100 | 70 | 93 | 198 | 120 | 159 | 130 | 85 | 188 |
| Sunny days | 4 | 10 | 5 | 7 | 9 | 11 | 1 | 0 | 4 | 4 | 6 | 5 |
| Rainy days | 27 | 18 | 26 | 23 | 22 | 19 | 30 | 31 | 26 | 27 | 24 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Portrush during the most sunny months:
Months with the longest average daylight duration in Portrush:
The largest precipitation sum in Portrush is at