Donegal monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Donegal

Donegal average temperature chart (Celsius) Donegal average temperature chart (Fahrenheit)
Average monthly temperatures in Donegal (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.1 6.3 8.3 10.7 13.4 15.9 17.2 17.1 14.9 12.1 8.3 6.9
°F 43 43.4 46.9 51.3 56.1 60.6 62.9 62.7 58.8 53.8 46.9 44.4

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Donegal monthly rainfall chart (mm) Donegal monthly rainfall chart (inches)
Average monthly rainfall in Donegal (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 164 114 122 84 92 93 100 116 145 157 160 173
inches 6.5 4.5 4.8 3.3 3.6 3.6 3.9 4.6 5.7 6.2 6.3 6.8
Rainy days 24 19 23 18 19 19 20 21 22 23 23 24

Average annual rainfall in Donegal: 1567.4mm (617.1 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Donegal

Donegal average daily sunshine chart
Average daily sunshine Donegal
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.6 2.5 3.4 5.1 5.7 5.5 4.4 4.4 3.7 2.8 2 1.3

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Donegal average minimum / maximum temperatures (Celsius) Donegal average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Donegal (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.6 0.6 1.6 2.5 4.8 7.7 9.7 9.4 7.8 6 2.4 1.6
Max °C 6.3 6.5 8.5 10.9 13.6 16.1 17.4 17.3 15.1 12.3 8.4 7
Min °F 33 33 34.8 36.5 40.6 45.9 49.4 48.8 46 42.7 36.3 34.9
Max °F 38.1 38.3 41 44.1 48.6 53.4 56.3 55.9 52.5 48.4 41.7 39.7

Sea temperature

The graph below shows the average sea temperature.

Donegal average sea temperature chart (Celsius) Donegal average sea temperature chart (Fahrenheit)
Average sea temperature around Donegal in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.8 9.2 9.1 9.5 10.8 12.6 14.1 14.6 13.9 12.7 11.5 10.5
°F 49.6 48.6 48.3 49.2 51.5 54.7 57.4 58.3 57 54.8 52.7 51

Wind speed

The graph below shows the average wind speed.

Donegal average winspeed by month (km/h) Donegal average winspeed by month (mph)
Average wind speed in Donegal (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 24 23 24 20 19 18 17 17 19 22 22 24
mph 15 15 15 12 12 11 11 11 12 14 14 15

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Donegal relative humidity averages
Average relative humidity in Donegal
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
92% 88% 86% 85% 83% 84% 87% 89% 91% 92% 94% 94%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Donegal weather stats

Donegal weather statistics
Hottest month: July 17.2°C 63°F
Driest month: April 84mm 3.3ins
Sunniest month: April 5.1hrs
Coldest month: January 6.1°C 43°F
Wettest month: December 173mm 6.8ins
Warmest sea: August 14.6°C 58.3°F
Map showing location of Donegal (54.65, -8.11667) Donegal map pin © Google

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