Average annual temperature is 11.0 °C
Absolute maximum temperature: 26.6 °C
Absolute minimum temperature: -3.6 °C
Number of sunny days: 90 days
Number of rainy days: 275 days
Look at detailed online map of Carlow
* Weather data for Carlow 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 | 13.6 | 15.2 | 18.2 | 21.3 | 26.4 | 21.7 | 23.4 | 26.6 | 21.6 | 13.9 | 13.4 |
| Average daytime temperature (°C) | 8.4 | 10.2 | 10.1 | 12.8 | 17.3 | 21.2 | 18.3 | 19.0 | 18.8 | 14.7 | 10.1 | 9.4 |
| Average temperature (°C) | 6.0 | 7.4 | 7.2 | 9.1 | 13.0 | 16.8 | 15.2 | 15.5 | 15.1 | 11.4 | 7.7 | 7.4 |
| Average night temperature (°C) | 3.6 | 4.7 | 4.5 | 5.4 | 8.7 | 12.2 | 11.8 | 12.4 | 11.3 | 8.4 | 5.2 | 4.9 |
| Absolute minimum temperature (°C) | -3.6 | -2.0 | -1.2 | 0.0 | 4.4 | 6.7 | 8.2 | 9.0 | 3.6 | 1.6 | -0.7 | -3.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 |
| Daylight mean duration (h) | 8.2 | 9.9 | 11.9 | 14.0 | 15.8 | 16.8 | 16.3 | 14.7 | 12.7 | 10.6 | 8.7 | 7.7 |
| 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) | 3.9 | 3.8 | 4.4 | 7.3 | 9.6 | 11.0 | 9.3 | 7.8 | 7.1 | 4.7 | 4.4 | 2.3 |
| Precipitation (mm) | 74 | 13 | 125 | 72 | 46 | 67 | 127 | 81 | 140 | 148 | 52 | 103 |
| Sunny days | 12 | 11 | 1 | 4 | 14 | 11 | 2 | 3 | 7 | 6 | 10 | 9 |
| Rainy days | 19 | 17 | 30 | 26 | 17 | 19 | 29 | 28 | 23 | 25 | 20 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Carlow during the most sunny months:
Months with the longest average daylight duration in Carlow:
The largest precipitation sum in Carlow is at