Average annual temperature is 10.7 °C
Absolute maximum temperature: 25.6 °C
Absolute minimum temperature: -3.3 °C
Number of sunny days: 67 days
Number of rainy days: 298 days
Look at detailed online map of Mayo
* Weather data for Mayo 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) | 12.1 | 13.3 | 13.5 | 17.0 | 23.2 | 25.6 | 21.2 | 22.2 | 25.4 | 19.0 | 12.8 | 12.5 |
| Average daytime temperature (°C) | 8.1 | 9.9 | 9.4 | 12.4 | 16.4 | 20.9 | 16.8 | 17.9 | 17.9 | 13.5 | 10.1 | 8.9 |
| Average temperature (°C) | 5.9 | 7.7 | 6.7 | 9.1 | 12.5 | 16.7 | 14.4 | 15.1 | 14.5 | 11.0 | 7.8 | 7.3 |
| Average night temperature (°C) | 3.7 | 5.1 | 4.2 | 5.8 | 8.7 | 12.6 | 11.9 | 12.6 | 11.3 | 8.8 | 5.6 | 5.4 |
| Absolute minimum temperature (°C) | -3.3 | -1.6 | -1.1 | -0.1 | 5.9 | 9.0 | 9.1 | 9.2 | 6.1 | 3.9 | -1.0 | -1.9 |
| 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 | 7.5 |
| 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) | 3.1 | 3.0 | 4.3 | 6.8 | 9.1 | 10.9 | 8.6 | 8.9 | 6.6 | 4.4 | 4.3 | 2.4 |
| Precipitation (mm) | 98 | 43 | 169 | 107 | 51 | 133 | 173 | 135 | 121 | 156 | 121 | 169 |
| Sunny days | 8 | 7 | 4 | 3 | 13 | 9 | 0 | 2 | 3 | 6 | 8 | 4 |
| Rainy days | 23 | 21 | 27 | 27 | 18 | 21 | 31 | 29 | 27 | 25 | 22 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Mayo during the most sunny months:
Months with the longest average daylight duration in Mayo:
The largest precipitation sum in Mayo is at