Temperature
Pleasant by day, brisk at night.
67°Ftypical August high
Typical range
Mild days with cool nights and some sun.

Pleasant by day, brisk at night.
Several rainy days. About 13 wet days, the lowest monthly average.
A mix of sunshine and cloud.
In August, afternoons feel about 61° and nights feel near 53°.
Mostly cloudy skies this month.
Calm winds are typical in August.
August late afternoons are around 64°F, easing to about 61°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 47 | 37 | 4.1 | 13 | 4.4 | 90 |
| Feb | 50 | 41 | 5.2 | 16 | 5.8 | 88 |
| Mar | 52 | 40 | 4.7 | 16 | 7.7 | 85 |
| Apr | 56 | 43 | 2.9 | 14 | 9.9 | 82 |
| May | 61 | 47 | 3.7 | 14 | 10.8 | 82 |
| Jun | 64 | 51 | 3.2 | 15 | 11.1 | 82 |
| Jul | 67 | 55 | 3.7 | 15 | 10.2 | 85 |
| Aug | 67 | 55 | 3.1 | 13 | 9.4 | 86 |
| Sep | 63 | 51 | 4.9 | 16 | 7.9 | 87 |
| Oct | 58 | 49 | 6.5 | 19 | 6.1 | 89 |
| Nov | 53 | 44 | 4.8 | 18 | 4.8 | 91 |
| Dec | 49 | 41 | 4.8 | 16 | 3.8 | 91 |
Similar climates
Want a side-by-side climate view? Compare Killarney with Amsterdam.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology