Average annual temperature is 11.6 °C
Absolute maximum temperature: 26.9 °C
Absolute minimum temperature: -5.2 °C
Number of sunny days: 53 days
Number of rainy days: 312 days
Look at detailed online map of Causeway
* Weather data for Causeway 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) | 13.1 | 14.4 | 14.9 | 17.7 | 23.6 | 25.1 | 20.9 | 24.8 | 26.9 | 22.3 | 14.3 | 13.3 |
| Average daytime temperature (°C) | 9.2 | 10.7 | 10.5 | 13.0 | 16.5 | 21.1 | 17.3 | 18.3 | 18.9 | 15.1 | 11.1 | 10.2 |
| Average temperature (°C) | 7.0 | 8.5 | 7.8 | 9.8 | 13.0 | 17.2 | 15.1 | 15.7 | 15.5 | 12.2 | 9.2 | 8.5 |
| Average night temperature (°C) | 4.7 | 6.2 | 5.1 | 6.5 | 9.4 | 13.0 | 13.0 | 13.3 | 12.4 | 9.7 | 7.1 | 6.4 |
| Absolute minimum temperature (°C) | -2.7 | -0.1 | -2.2 | 2.0 | 5.2 | 9.8 | 10.7 | 8.0 | 6.3 | 4.2 | -0.7 | -5.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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 | 13.9 | 15.7 | 16.7 | 16.2 | 14.7 | 12.7 | 10.6 | 8.8 | 7.8 |
| 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) | 3.3 | 3.8 | 5.1 | 7.6 | 10.5 | 11.2 | 8.9 | 8.6 | 7.2 | 5.0 | 4.6 | 2.6 |
| Precipitation (mm) | 196 | 48 | 235 | 108 | 94 | 171 | 270 | 149 | 167 | 151 | 184 | 223 |
| Sunny days | 4 | 8 | 5 | 4 | 7 | 8 | 0 | 1 | 4 | 5 | 4 | 3 |
| Rainy days | 27 | 20 | 26 | 26 | 24 | 22 | 31 | 30 | 26 | 26 | 26 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Causeway during the most sunny months:
Months with the longest average daylight duration in Causeway:
The largest precipitation sum in Causeway is at