Average annual temperature is 11.5 °C
Absolute maximum temperature: 26.8 °C
Absolute minimum temperature: -4.1 °C
Number of sunny days: 50 days
Number of rainy days: 315 days
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* Weather data for Spa 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) | 12.9 | 13.9 | 14.2 | 17.2 | 24.0 | 24.4 | 20.2 | 23.6 | 26.8 | 21.6 | 14.3 | 13.0 |
| Average daytime temperature (°C) | 9.1 | 10.5 | 10.3 | 12.8 | 16.5 | 20.8 | 17.2 | 18.0 | 18.7 | 14.8 | 11.0 | 10.1 |
| Average temperature (°C) | 6.9 | 8.4 | 7.7 | 9.7 | 13.0 | 17.1 | 15.0 | 15.6 | 15.3 | 12.0 | 9.2 | 8.4 |
| Average night temperature (°C) | 4.7 | 6.0 | 5.1 | 6.3 | 9.5 | 13.1 | 13.0 | 13.3 | 12.1 | 9.4 | 7.1 | 6.3 |
| Absolute minimum temperature (°C) | -3.0 | -1.8 | -1.5 | 1.3 | 5.2 | 9.3 | 11.1 | 8.6 | 6.5 | 3.2 | -2.9 | -4.1 |
| 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 | 14.6 | 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) | 3.2 | 3.6 | 4.9 | 7.3 | 10.3 | 10.9 | 8.6 | 8.2 | 7.0 | 4.9 | 4.5 | 2.7 |
| Precipitation (mm) | 185 | 55 | 193 | 105 | 71 | 139 | 234 | 142 | 172 | 153 | 163 | 211 |
| Sunny days | 3 | 8 | 3 | 2 | 8 | 9 | 0 | 1 | 4 | 6 | 3 | 3 |
| Rainy days | 28 | 20 | 28 | 28 | 23 | 21 | 31 | 30 | 26 | 25 | 27 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Spa during the most sunny months:
Months with the longest average daylight duration in Spa:
The largest precipitation sum in Spa is at