Best time to visit Donegal

Find the best time to visit Donegal and plan your perfect trip in 2024/2025. Get holiday inspiration, weather guides, travel advice and find great deals.

Donegal by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Donegal?

The best time to visit Donegal is July and August based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

  • Jan
  • Feb
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  • Apr
  • May
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  • Jul
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  • Sep
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  • Nov
  • Dec

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Max Day Temperature (°F)

  • 43°F maximum daytime temperature in January in Donegal43
    Jan
  • 43°F maximum daytime temperature in February in Donegal43
    Feb
  • 46°F maximum daytime temperature in March in Donegal46
    Mar
  • 52°F maximum daytime temperature in April in Donegal52
    Apr
  • 57°F maximum daytime temperature in May in Donegal57
    May
  • 61°F maximum daytime temperature in June in Donegal61
    Jun
  • 63°F maximum daytime temperature in July in Donegal63
    Jul
  • 63°F maximum daytime temperature in August in Donegal63
    Aug
  • 59°F maximum daytime temperature in September in Donegal59
    Sep
  • 54°F maximum daytime temperature in October in Donegal54
    Oct
  • 46°F maximum daytime temperature in November in Donegal46
    Nov
  • 45°F maximum daytime temperature in December in Donegal45
    Dec

Hours of Sunshine (daily)

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Best time to visit

The weather guide for Ireland (Donegal) 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.

Metric (°C)  |  Imperial (°F)

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Which is the hottest month in Donegal?

The hottest time of year in Donegal is normally July. Expect maximum daytime temperatures to reach 63°F.

Which month has the most rain in Donegal?

In terms of rainfall, December is usually the wettest month in Donegal with 6.8 inches 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 61°F.

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