Killarney Climate: Weather by Month and Best Time to Visit
Best months for Killarney: February, March, April, December.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 23°C | 22°C | 41 mm | 8 | – | – | 8.1 |
| February | 23°C | 22°C | 32 mm | 5 | – | – | 8.4 |
| March | 23°C | 22°C | 34 mm | 5 | – | – | 8.4 |
| April | 24°C | 23°C | 47 mm | 6 | – | – | 8.3 |
| May | 26°C | 25°C | 78 mm | 9 | – | – | 7.9 |
| June | 28°C | 26°C | 90 mm | 14 | – | – | 7.2 |
| July | 28°C | 27°C | 70 mm | 14 | – | – | 7.3 |
| August | 29°C | 27°C | 111 mm | 16 | – | – | 6.8 |
| September | 28°C | 27°C | 130 mm | 19 | – | – | 6.4 |
| October | 27°C | 26°C | 135 mm | 17 | – | – | 6.6 |
| November | 26°C | 24°C | 72 mm | 9 | – | – | 7.8 |
| December | 24°C | 23°C | 40 mm | 7 | – | – | 8.2 |