Bolsward monthly weather averages

Average daytime temperature

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

Bolsward average temperature chart (Celsius) Bolsward average temperature chart (Fahrenheit)
Average monthly temperatures in Bolsward (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.3 4.8 7.7 10.8 15.6 18 19.9 20.3 17.5 13.5 8.8 5.9
°F 39.8 40.6 45.9 51.5 60.1 64.4 67.8 68.6 63.4 56.3 47.8 42.6

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.

Bolsward monthly rainfall chart (mm) Bolsward monthly rainfall chart (inches)
Average monthly rainfall in Bolsward (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 65 43 54 45 51 63 73 66 76 75 83 74
inches 2.6 1.7 2.1 1.8 2 2.5 2.9 2.6 3 3 3.3 2.9
Rainy days 20 13 17 13 14 14 15 15 17 17 20 20

Average annual rainfall in Bolsward: 826.166mm (325.3 inches)

Average daily sunshine

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

Bolsward average daily sunshine chart
Average daily sunshine Bolsward
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.6 2.8 3.9 5.7 7.2 7.4 6.7 6.7 4.9 3.5 2 1.4

Day / night temperatures

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

Bolsward average minimum / maximum temperatures (Celsius) Bolsward average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Bolsward (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0.3 -0.3 1.4 3 7 10 12.2 12.1 10 7 3.5 1.4
Max °C 4.5 4.9 7.9 11 15.8 18.2 20.1 20.6 17.7 13.7 8.9 6
Min °F 31.6 31.5 34.4 37.4 44.6 50 53.9 53.7 49.9 44.5 38.3 34.5
Max °F 35.8 36.1 40.3 44.6 52.5 57.4 61 61.3 56.8 50.5 43.2 38.7

Sea temperature

The graph below shows the average sea temperature.

Bolsward average sea temperature chart (Celsius) Bolsward average sea temperature chart (Fahrenheit)
Average sea temperature around Bolsward in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.5 5.2 5.4 7.4 10.6 13.9 16.5 17.9 17 14.7 11.7 8.7
°F 43.7 41.4 41.8 45.4 51.1 57 61.7 64.3 62.5 58.5 53 47.7

Wind speed

The graph below shows the average wind speed.

Bolsward average winspeed by month (km/h) Bolsward average winspeed by month (mph)
Average wind speed in Bolsward (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 21 21 21 19 18 16 16 16 17 17 21 21
mph 13 13 13 12 11 10 10 10 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.

Bolsward relative humidity averages
Average relative humidity in Bolsward
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 87% 85% 81% 79% 80% 81% 81% 84% 86% 89% 91%

Other monthly averages

UV index Best time to go?

Bolsward weather stats

Bolsward weather statistics
Hottest month: August 20.3°C 68.5°F
Driest month: February 43mm 1.7ins
Sunniest month: May 7.2hrs
Coldest month: January 4.3°C 39.7°F
Wettest month: November 83mm 3.3ins
Warmest sea: August 17.9°C 64.2°F
Map showing location of Bolsward (53.06554, 5.53176) Bolsward map pin © Google

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