Climate in Donegal (Donegal County), Ireland

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Average monthly minimum and maximum temperature in Donegal, Ireland

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Monthly hours of sunshine

The average monthly total hours of sunshine over the year

Average monthly hours of sunshine in Donegal, Ireland

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* Data from: Derry, Ireland (63 KM, 39 Miles).

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Average monthly rainfall, snow, precipitation in Donegal, Ireland

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Monthly rainy days

The average number of days each month with rain, snow, hail etc.

Average monthly rainy days in Donegal, Ireland

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Weather Forecasts for Donegal

Fri   Mar 29
10°C | 0°C
SE 14 km/h
2.3 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Sat   Mar 30
11°C | 1°C
SE 22 km/h
1.9 mm
partly cloudy and rain

partly cloudy and rain

Sun   Mar 31
12°C | 3°C
SE 22 km/h
1.2 mm
broken clouds and rain

broken clouds and rain

The best time of year to visit Donegal in Ireland

Other facts from our historical weather data:

  • Which is the warmest month in Donegal?
    July has an average maximum temperature of 19°C and is the warmest month of the year.
  • Which is the coldest month in Donegal?
    The coldest month is February with an average maximum temperature of 8°C.
  • Which is the wettest month in Donegal?
    December tops the wettest month list with 132 mm of rainfall.
  • Which is the driest month in Donegal?
    April is the driest month with 96 mm of precipitation.
  • Which is the sunniest month in Donegal?
    May is the sunniest month with an average of 203 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.