Sumar monthly weather averages

Average daytime temperature

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

Sumar average temperature chart (Celsius) Sumar average temperature chart (Fahrenheit)
Average monthly temperatures in Sumar (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.2 4.7 7.7 11 15.7 18.2 20 20.4 17.5 13.4 8.6 5.6
°F 39.5 40.4 45.8 51.7 60.2 64.8 67.9 68.8 63.4 56.1 47.5 42.1

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.

Sumar monthly rainfall chart (mm) Sumar monthly rainfall chart (inches)
Average monthly rainfall in Sumar (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 67 43 57 44 52 64 76 69 77 78 87 76
inches 2.7 1.7 2.3 1.7 2 2.5 3 2.7 3 3.1 3.4 3
Rainy days 20 13 17 14 14 14 15 15 17 17 20 20

Average annual rainfall in Sumar: 849.167mm (334.3 inches)

Average daily sunshine

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

Sumar average daily sunshine chart
Average daily sunshine Sumar
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.5 2.8 3.8 5.7 7.1 7.3 6.6 6.6 4.8 3.4 2 1.3

Day / night temperatures

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

Sumar average minimum / maximum temperatures (Celsius) Sumar average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Sumar (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0.5 -0.6 1.2 2.9 6.7 9.8 11.9 11.8 9.6 6.7 3.3 1.1
Max °C 4.3 4.8 7.9 11.2 15.9 18.4 20.2 20.7 17.7 13.6 8.8 5.8
Min °F 31.1 30.9 34.1 37.1 44.1 49.6 53.3 53.2 49.2 44 37.9 33.9
Max °F 35.4 35.8 40.1 44.6 52.3 57.4 60.8 61.2 56.5 50.2 42.8 38.1

Sea temperature

The graph below shows the average sea temperature.

Sumar average sea temperature chart (Celsius) Sumar average sea temperature chart (Fahrenheit)
Average sea temperature around Sumar in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.9 4.7 5 7.2 10.7 14.2 16.9 18.2 17 14.5 11.3 8.3
°F 42.7 40.4 41 45 51.2 57.5 62.3 64.7 62.6 58.1 52.4 46.9

Wind speed

The graph below shows the average wind speed.

Sumar average winspeed by month (km/h) Sumar average winspeed by month (mph)
Average wind speed in Sumar (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 21 21 21 19 17 15 15 15 17 17 21 21
mph 13 13 13 12 11 9 9 9 11 11 13 13

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.

Sumar relative humidity averages
Average relative humidity in Sumar
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 86% 82% 80% 80% 81% 81% 85% 87% 90% 92%

Other monthly averages

UV index Best time to go?

Sumar weather stats

Sumar weather statistics
Hottest month: August 20.4°C 68.7°F
Driest month: February 43mm 1.7ins
Sunniest month: May 7.1hrs
Coldest month: January 4.2°C 39.6°F
Wettest month: November 87mm 3.4ins
Warmest sea: August 18.2°C 64.8°F
Map showing location of Sumar (53.18333, 6) Sumar map pin © Google

Locations nearby

Top Netherlands locations