Average annual temperature is 9.8 °C
Absolute maximum temperature: 24.4 °C
Absolute minimum temperature: -3.5 °C
Number of sunny days: 67 days
Number of rainy days: 296 days
Number of snow days: 2 days
Look at detailed online map of County Leitrim
* Weather data for County Leitrim 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) | 11.2 | 12.7 | 13.5 | 17.2 | 21.8 | 23.8 | 21.3 | 21.5 | 24.4 | 19.5 | 11.9 | 11.4 |
| Average daytime temperature (°C) | 6.8 | 8.7 | 8.6 | 11.7 | 15.5 | 20.1 | 16.2 | 17.2 | 17.0 | 12.9 | 8.5 | 7.7 |
| Average temperature (°C) | 4.7 | 6.6 | 5.6 | 8.4 | 11.8 | 16.1 | 13.6 | 14.3 | 13.7 | 10.4 | 6.4 | 6.1 |
| Average night temperature (°C) | 2.7 | 4.0 | 3.0 | 5.2 | 8.2 | 12.3 | 11.1 | 11.6 | 10.5 | 8.3 | 4.1 | 4.3 |
| Absolute minimum temperature (°C) | -3.5 | -1.1 | -3.1 | 0.4 | 6.1 | 9.3 | 7.8 | 8.9 | 5.0 | 2.6 | -1.0 | -0.7 |
| 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) | 8.0 | 9.8 | 11.9 | 14.1 | 16.0 | 17.1 | 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) | 3.2 | 2.8 | 4.7 | 6.9 | 8.6 | 11.3 | 8.3 | 8.5 | 6.4 | 4.2 | 4.6 | 1.8 |
| Precipitation (mm) | 117 | 53 | 195 | 124 | 77 | 121 | 235 | 158 | 180 | 173 | 120 | 202 |
| Sunny days | 8 | 7 | 3 | 3 | 12 | 9 | 0 | 1 | 6 | 6 | 8 | 4 |
| Rainy days | 22 | 21 | 27 | 27 | 19 | 21 | 31 | 30 | 24 | 25 | 22 | 27 |
| Snow days | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit County Leitrim during the most sunny months:
Months with the longest average daylight duration in County Leitrim:
The largest precipitation sum in County Leitrim is at