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Weather & Climate
Donegal, Ulster, Ireland
Overview
Climate data and monthly weather averages for Donegal.
Key Metrics
Annual Avg
9°C
Summer Avg
13.7°C
Winter Avg
4.8°C
Record High
26.2°C
Record Low
-5.3°C
Annual Precipitation
1368.8 mm
Avg Humidity
89%
Summer Humidity
86%
Winter Humidity
93%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 12.6° | 4.7° | -4.6° | 134.5 | 93% | 17 | 80.9 |
| Feb | 12.8° | 4.5° | -3° | 103.9 | 92% | 35 | 70.1 |
| Mar | 16.4° | 5.5° | -3.3° | 97.3 | 90% | 74 | 85.5 |
| Apr | 18.3° | 7.7° | -2.3° | 76.5 | 87% | 118 | 68.1 |
| May | 22.6° | 10.3° | 1.2° | 98 | 85% | 153 | 73.2 |
| Jun | 26.2° | 12.9° | 3.6° | 104.7 | 85% | 149 | 57.9 |
| Jul | 25° | 14.2° | 6.7° | 117.5 | 86% | 137 | 58.9 |
| Aug | 25.3° | 14.1° | 6° | 126.5 | 87% | 117 | 55.9 |
| Sep | 21° | 12.5° | 3.2° | 106.5 | 89% | 80 | 74.3 |
| Oct | 18.3° | 9.8° | 0.3° | 128 | 91% | 48 | 66.7 |
| Nov | 14.6° | 7° | -2.1° | 136.2 | 93% | 21 | 69.8 |
| Dec | 12.8° | 5.2° | -5.3° | 139.2 | 93% | 13 | 70.6 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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