Climate of Donegal, Ireland
Area-weighted average across Donegal. For where people actually live and travel, see the cities below.
Donegal, a subdivision of Ireland, has a seasonal climate on average. Area-weighted monthly temperatures across the whole territory range from 4.7°C / 40.5°F in January to 14.2°C / 57.6°F in July, with rainfall from 96 mm / 3.8 in to 190 mm / 7.5 in depending on the season (1747 mm / 68.8 in total across the year).
| Month | Temperature | Rainfall | Matches |
|---|---|---|---|
| January | 4.7°C40.5°F | 190 mm7.5″ | — |
| February | 4.8°C40.6°F | 137 mm5.4″ | — |
| March | 6°C42.8°F | 144 mm5.7″ | — |
| April | 7.5°C45.5°F | 102 mm4″ | — |
| May | 10.1°C50.2°F | 96 mm3.8″ | — |
| June | 12.3°C54.1°F | 101 mm4″ | — |
| July | 14.2°C57.6°F | 118 mm4.6″ | — |
| August | 14.1°C57.4°F | 135 mm5.3″ | — |
| September | 12.4°C54.3°F | 156 mm6.1″ | — |
| October | 9.9°C49.8°F | 190 mm7.5″ | — |
| November | 7°C44.6°F | 189 mm7.4″ | — |
| December | 5.5°C41.9°F | 189 mm7.4″ | — |
Frequently asked questions
What is the best time to visit Donegal?
Donegal, Ireland does not have a clear sunny-and-dry window by our cutoffs. The warmest month is July at 14.2°C / 57.6°F, and the driest is May at 96 mm / 3.8 in — likely your best travel window. For city-level detail, see the cities section below.
What is the climate of Donegal?
Donegal, Ireland has area-weighted monthly average temperatures ranging from 4.7°C / 40.5°F in January to 14.2°C / 57.6°F in July. Annual rainfall averages about 1747 mm / 68.8 in, with the wettest month being January (190 mm / 7.5 in) and the driest May (96 mm / 3.8 in). Because this is an area average across the whole subdivision, local city values can differ substantially.
What is the hottest month in Donegal?
The hottest month in Donegal is July, with an area-wide average temperature of 14.2°C / 57.6°F.
What is the coldest month in Donegal?
The coldest month in Donegal is January, with an area-wide average temperature of 4.7°C / 40.5°F.
When does it rain most in Donegal?
The wettest month in Donegal is January, averaging about 190 mm / 7.5 in of rainfall. The driest is May with about 96 mm / 3.8 in.