Donegal Climate (Weather Averages)

The Climate Guide for Donegal, Ireland is perfect for planning your holiday. Monthly weather averages give the best indication of what the weather is usually like for every month of the year including figures for temperature, rainfall and sunshine.

Donegal Weather Ireland Summary Donegal Climate Donegal Today Donegal Forecast Donegal When Best
Donegal Weather Ireland Summary Donegal Climate Donegal Today Donegal Forecast Donegal When Best
J F M A M J J A S O N D
Max Daytime Temperature (°C) 7°C (45°F) Max Daytime Temperature in January in Donegal 7°C (45°F) Max Daytime Temperature in February in Donegal 9°C (48°F) Max Daytime Temperature in March in Donegal 11°C (52°F) Max Daytime Temperature in April in Donegal 14°C (57°F) Max Daytime Temperature in May in Donegal 16°C (61°F) Max Daytime Temperature in June in Donegal 18°C (64°F) Max Daytime Temperature in July in Donegal 18°C (64°F) Max Daytime Temperature in August in Donegal 16°C (61°F) Max Daytime Temperature in September in Donegal 13°C (55°F) Max Daytime Temperature in October in Donegal 10°C (50°F) Max Daytime Temperature in November in Donegal 8°C (46°F) Max Daytime Temperature in December in Donegal
Min Night-time Temperature (°C) 2°C (36°F) Min Night-time Temperature in January in Donegal 2°C (36°F) Min Night-time Temperature in February in Donegal 3°C (37°F) Min Night-time Temperature in March in Donegal 4°C (39°F) Min Night-time Temperature in April in Donegal 6°C (43°F) Min Night-time Temperature in May in Donegal 9°C (48°F) Min Night-time Temperature in June in Donegal 11°C (52°F) Min Night-time Temperature in July in Donegal 11°C (52°F) Min Night-time Temperature in August in Donegal 9°C (48°F) Min Night-time Temperature in September in Donegal 7°C (45°F) Min Night-time Temperature in October in Donegal 4°C (39°F) Min Night-time Temperature in November in Donegal 3°C (37°F) Min Night-time Temperature in December in Donegal
Hours of Sunshine (Daily) 1 Hours of Bright Sunshine per day (18% of Daylight Hours) in January in Donegal 2 Hours of Bright Sunshine per day (23% of Daylight Hours) in February in Donegal 3 Hours of Bright Sunshine per day (26% of Daylight Hours) in March in Donegal 5 Hours of Bright Sunshine per day (33% of Daylight Hours) in April in Donegal 5 Hours of Bright Sunshine per day (32% of Daylight Hours) in May in Donegal 5 Hours of Bright Sunshine per day (29% of Daylight Hours) in June in Donegal 4 Hours of Bright Sunshine per day (24% of Daylight Hours) in July in Donegal 4 Hours of Bright Sunshine per day (27% of Daylight Hours) in August in Donegal 3 Hours of Bright Sunshine per day (27% of Daylight Hours) in September in Donegal 3 Hours of Bright Sunshine per day (24% of Daylight Hours) in October in Donegal 2 Hours of Bright Sunshine per day (20% of Daylight Hours) in November in Donegal 1 Hours of Bright Sunshine per day (15% of Daylight Hours) in December in Donegal
Hours of Daylight (Daily) 8 Hours of Daylight in January in Donegal 10 Hours of Daylight in February in Donegal 12 Hours of Daylight in March in Donegal 14 Hours of Daylight in April in Donegal 16 Hours of Daylight in May in Donegal 17 Hours of Daylight in June in Donegal 17 Hours of Daylight in July in Donegal 15 Hours of Daylight in August in Donegal 13 Hours of Daylight in September in Donegal 10 Hours of Daylight in October in Donegal 8 Hours of Daylight in November in Donegal 7 Hours of Daylight in December in Donegal
Heat and Humidity Discomfort No Heat & Humidity in January in Donegal No Heat & Humidity in February in Donegal No Heat & Humidity in March in Donegal No Heat & Humidity in April in Donegal No Heat & Humidity in May in Donegal No Heat & Humidity in June in Donegal No Heat & Humidity in July in Donegal No Heat & Humidity in August in Donegal No Heat & Humidity in September in Donegal No Heat & Humidity in October in Donegal No Heat & Humidity in November in Donegal No Heat & Humidity in December in Donegal
Days with some Rainfall 24 Days with some Rainfall in January in Donegal 19 Days with some Rainfall in February in Donegal 23 Days with some Rainfall in March in Donegal 18 Days with some Rainfall in April in Donegal 19 Days with some Rainfall in May in Donegal 19 Days with some Rainfall in June in Donegal 20 Days with some Rainfall in July in Donegal 21 Days with some Rainfall in August in Donegal 22 Days with some Rainfall in September in Donegal 23 Days with some Rainfall in October in Donegal 23 Days with some Rainfall in November in Donegal 24 Days with some Rainfall in December in Donegal
Monthly Rainfall (mm) 145 mm (5.7 inches) Monthly Rainfall in January in Donegal 102 mm (4.0 inches) Monthly Rainfall in February in Donegal 107 mm (4.2 inches) Monthly Rainfall in March in Donegal 74 mm (2.9 inches) Monthly Rainfall in April in Donegal 78 mm (3.1 inches) Monthly Rainfall in May in Donegal 82 mm (3.2 inches) Monthly Rainfall in June in Donegal 90 mm (3.5 inches) Monthly Rainfall in July in Donegal 102 mm (4.0 inches) Monthly Rainfall in August in Donegal 123 mm (4.8 inches) Monthly Rainfall in September in Donegal 135 mm (5.3 inches) Monthly Rainfall in October in Donegal 139 mm (5.5 inches) Monthly Rainfall in November in Donegal 158 mm (6.2 inches) Monthly Rainfall in December in Donegal
UV Index (Maximum) No UV (Maximum) Index in January in Donegal UV (Maximum) Index 1 (Low) in February in Donegal UV (Maximum) Index 2 (Low) in March in Donegal UV (Maximum) Index 3 (Moderate) in April in Donegal UV (Maximum) Index 5 (Moderate) in May in Donegal UV (Maximum) Index 6 (High) in June in Donegal UV (Maximum) Index 6 (High) in July in Donegal UV (Maximum) Index 5 (Moderate) in August in Donegal UV (Maximum) Index 3 (Moderate) in September in Donegal UV (Maximum) Index 2 (Low) in October in Donegal UV (Maximum) Index 1 (Low) in November in Donegal No UV (Maximum) Index in December in Donegal
Sea Temperature (°C) 10°C (50°F) Sea Temperature in January in Donegal 9°C (48°F) Sea Temperature in February in Donegal 9°C (48°F) Sea Temperature in March in Donegal 9°C (48°F) Sea Temperature in April in Donegal 11°C (52°F) Sea Temperature in May in Donegal 12°C (54°F) Sea Temperature in June in Donegal 14°C (57°F) Sea Temperature in July in Donegal 14°C (57°F) Sea Temperature in August in Donegal 14°C (57°F) Sea Temperature in September in Donegal 12°C (54°F) Sea Temperature in October in Donegal 11°C (52°F) Sea Temperature in November in Donegal 10°C (50°F) Sea Temperature in December in Donegal
J F M A M J J A S O N D
 		    
 

Donegal Climate Zone

Donegal has a warm temperate climate with warm summers and some rainfall in all months.
Donegal Holidays Donegal Flights Donegal Hotels Donegal Hire Cars Donegal Villas Donegal Transfers
Donegal Holidays Donegal Flights Donegal Hotels Donegal Hire Cars Donegal Villas Donegal Transfers

  Athlone   Clifden   Cork   Dublin   Galway   Kilkenny   Killarney   Limerick   Sligo   Tralee   Waterford  

Donegal Weather by Month
Check the weather for a particular month in Donegal by selecting a month from the list below. Alternatively check which month usually has the Best Weather in Donegal. If you are not sure where to go, why not try our Holiday Planner.
  · January
  · February
  · March
   · April
  · May
  · June
   · July
  · August
  · September
   · October
  · November
  · December
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