Killarney monthly weather averages

Average daytime temperature

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

Killarney average temperature chart (Celsius) Killarney average temperature chart (Fahrenheit)
Average monthly temperatures in Killarney (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -11.3 -7.7 -1.1 10 18.2 22.9 25.9 24.8 18.2 11.3 -0.1 -9.1
°F 11.7 18.2 30 50 64.8 73.2 78.6 76.7 64.7 52.3 31.9 15.6

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.

Killarney monthly rainfall chart (mm) Killarney monthly rainfall chart (inches)
Average monthly rainfall in Killarney (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 23 21 25 37 56 90 65 74 50 32 20 22
inches 0.9 0.8 1 1.5 2.2 3.5 2.6 2.9 2 1.3 0.8 0.9
Rainy days 7 6 5 6 8 10 9 8 8 5 5 6

Average annual rainfall in Killarney: 465.567mm (183.3 inches)

Average daily sunshine

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

Killarney average daily sunshine chart
Average daily sunshine Killarney
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.4 5.1 6 7.6 9.2 9.5 11 9.8 6.9 5.8 3.7 3.6

Day / night temperatures

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

Killarney average minimum / maximum temperatures (Celsius) Killarney average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Killarney (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -22.2 -18.8 -11.8 -2.3 4.5 10 12.6 10.9 5.3 -0.6 -9.4 -19
Max °C -11 -7.4 -0.9 10.3 18.6 23.2 26.2 25.2 18.5 11.6 0.2 -8.9
Min °F -8 -1.8 10.9 27.9 40 50 54.7 51.5 41.5 31 15.2 -2.1
Max °F 2.1 8.4 20.7 39.2 52.7 61.9 66.9 64.4 53.4 41.9 23.7 7

Sea temperature

The graph below shows the average sea temperature.

Killarney average sea temperature chart (Celsius) Killarney average sea temperature chart (Fahrenheit)
Average sea temperature around Killarney in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.7 4.6 4.8 5.5 6.6 8.4 11.1 14.2 13.1 9.9 7 5.3
°F 40.5 40.2 40.7 41.9 43.8 47.2 51.9 57.5 55.6 49.8 44.6 41.6

Wind speed

The graph below shows the average wind speed.

Killarney average winspeed by month (km/h) Killarney average winspeed by month (mph)
Average wind speed in Killarney (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 17 17 19 19 17 15 15 17 18 17 17
mph 11 10 11 12 12 10 9 9 10 11 11 10

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.

Killarney relative humidity averages
Average relative humidity in Killarney
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
75% 76% 76% 67% 60% 65% 69% 68% 70% 70% 77% 78%

Other monthly averages

UV index Best time to go?

Killarney weather stats

Killarney weather statistics
Hottest month: July 25.9°C 78.6°F
Driest month: November 20mm 0.8ins
Sunniest month: July 11hrs
Coldest month: January -11.3°C 11.7°F
Wettest month: June 90mm 3.5ins
Warmest sea: August 14.2°C 57.6°F
Map showing location of Killarney (49.18332, -99.66364) Killarney map pin © Google

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