Donegal weather

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The weather guide for Donegal, Ireland shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Donegal holiday rentals

Find holiday rentals in Donegal, County Donegal, Ireland including holiday homes, self-catering accommodation, B&Bs, shared space, home swaps and short-term lets.

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Donegal camping & hostels

Looking for camping holidays in Donegal, County Donegal, Ireland? Browse hostels and campsites for camping, glamping, yurts, cabins, tree houses, youth hostels and caravan parks.

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Which is the warmest month in Donegal?

The warmest time of year in Donegal is normally July. Expect maximum daytime temperatures to reach 17°C.

Which month has the most rain in Donegal?

In terms of rainfall, December is usually the wettest month in Donegal with 173mm on average. There are normally 24 days in December with some rain.

When is it sunniest in Donegal?

The sunniest time of year in Donegal is normally April with bright sunshine on average for 33% of daylight hours; that's 5 hours of sunshine per day.

When is the sea warmest in Donegal?

The sea is usually at its warmest in Donegal in August when the water temperature reaches 16°C.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Donegal weather with the USA

Below the Donegal weather chart shows average maximum daytime temperature for Donegal, County Donegal, Ireland and the USA (Washington).

Maximum daytime temperature (°C)

Donegal, County Donegal, Ireland
USA (Washington)
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Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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Where's warm in Ireland right now?

Below are the temperatures expected today at popular destinations in Ireland. Select a destination to compare today's forecast with average weather conditions.

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