Navan monthly weather averages

Average daytime temperature

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

Navan average temperature chart (Celsius) Navan average temperature chart (Fahrenheit)
Average monthly temperatures in Navan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.2 7.4 9.5 11.9 14.7 17.6 19.1 18.8 16.6 13.4 9.4 8
°F 45 45.3 49.2 53.3 58.4 63.7 66.5 65.9 61.8 56.2 49 46.3

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.

Navan monthly rainfall chart (mm) Navan monthly rainfall chart (inches)
Average monthly rainfall in Navan (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 82 58 62 58 65 59 55 71 81 80 77 86
inches 3.2 2.3 2.4 2.3 2.6 2.3 2.2 2.8 3.2 3.2 3 3.4
Rainy days 19 15 17 15 17 15 15 17 16 18 17 18

Average daily sunshine

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

Navan average daily sunshine chart
Average daily sunshine Navan
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.9 2.7 3.5 5.2 6.1 5.9 5.2 4.9 4.2 3.2 2.5 1.7

Day / night temperatures

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

Navan average minimum / maximum temperatures (Celsius) Navan average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Navan (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.7 1.7 2.5 3.8 6.1 9 10.9 10.6 8.9 6.8 3.2 2.5
Max °C 7.4 7.6 9.7 12.1 14.9 17.9 19.4 19.1 16.8 13.6 9.6 8.1
Min °F 35 35 36.5 38.8 43 48.1 51.5 51 47.9 44.2 37.8 36.5
Max °F 40.1 40.3 43 46.2 50.9 56.1 59.2 58.6 55 50.4 43.5 41.5

Sea temperature

The graph below shows the average sea temperature.

Navan average sea temperature chart (Celsius) Navan average sea temperature chart (Fahrenheit)
Average sea temperature around Navan in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.9 7.9 7.7 8.6 10.5 12.8 14.8 15.7 15.3 14.1 12.3 10.5
°F 48 46.2 45.9 47.5 50.8 55.1 58.7 60.2 59.5 57.3 54.2 50.9

Wind speed

The graph below shows the average wind speed.

Navan average winspeed by month (km/h) Navan average winspeed by month (mph)
Average wind speed in Navan (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 21 20 20 17 16 14 14 14 16 18 18 20
mph 13 12 13 10 10 9 9 9 10 11 11 12

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.

Navan relative humidity averages
Average relative humidity in Navan
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 86% 83% 81% 80% 80% 80% 82% 85% 87% 89% 90%

Other monthly averages

UV index Best time to go?

Navan weather stats

Navan weather statistics
Hottest month: July 19.1°C 66.4°F
Driest month: July 55mm 2.2ins
Sunniest month: May 6.1hrs
Coldest month: January 7.2°C 45°F
Wettest month: December 86mm 3.4ins
Warmest sea: August 15.7°C 60.3°F
Map showing location of Navan (53.65278, -6.68139)

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