Average annual temperature is 10.6 °C
Absolute maximum temperature: 25.8 °C
Absolute minimum temperature: -3.2 °C
Number of sunny days: 70 days
Number of rainy days: 292 days
Number of snow days: 3 days
Look at detailed online map of Cavan
* Weather data for Cavan 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) | 12.3 | 13.6 | 14.5 | 17.8 | 21.8 | 25.8 | 22.0 | 23.0 | 25.7 | 20.6 | 13.2 | 12.5 |
| Average daytime temperature (°C) | 7.7 | 9.5 | 9.5 | 12.5 | 16.5 | 20.8 | 17.5 | 18.5 | 18.1 | 14.2 | 9.4 | 8.8 |
| Average temperature (°C) | 5.6 | 7.3 | 6.5 | 9.0 | 12.5 | 16.6 | 14.5 | 15.2 | 14.5 | 11.3 | 6.9 | 6.9 |
| Average night temperature (°C) | 3.6 | 5.0 | 3.6 | 5.5 | 8.6 | 12.4 | 11.7 | 12.2 | 11.5 | 8.8 | 4.6 | 5.0 |
| Absolute minimum temperature (°C) | -3.2 | -0.2 | -2.2 | 0.3 | 5.9 | 8.1 | 9.0 | 9.6 | 5.4 | 2.0 | -1.2 | -1.4 |
| 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 | 17.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.1 | 9.8 | 11.9 | 14.1 | 16.0 | 17.0 | 16.5 | 14.8 | 12.7 | 10.5 | 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) | 3.5 | 2.8 | 4.5 | 7.2 | 8.8 | 11.7 | 8.9 | 9.1 | 6.8 | 4.6 | 4.7 | 2.0 |
| Precipitation (mm) | 72 | 32 | 150 | 118 | 53 | 83 | 182 | 129 | 151 | 139 | 69 | 123 |
| Sunny days | 8 | 10 | 2 | 3 | 10 | 10 | 0 | 1 | 5 | 8 | 8 | 5 |
| Rainy days | 22 | 18 | 27 | 27 | 21 | 20 | 31 | 30 | 25 | 23 | 22 | 26 |
| Snow days | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Cavan during the most sunny months:
Months with the longest average daylight duration in Cavan:
The largest precipitation sum in Cavan is at