Katwijk aan Zee monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Katwijk aan Zee

Katwijk aan Zee average temperature chart (Celsius) Katwijk aan Zee average temperature chart (Fahrenheit)
Average monthly temperatures in Katwijk aan Zee (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.1 5.5 8.3 11.1 15.6 18.2 20.1 20.5 17.8 14 9.3 6.7
°F 41.2 41.9 46.9 51.9 60.2 64.7 68.1 68.8 64 57.2 48.8 44.1

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.

Katwijk aan Zee monthly rainfall chart (mm) Katwijk aan Zee monthly rainfall chart (inches)
Average monthly rainfall in Katwijk aan Zee (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 69 44 61 46 49 60 70 67 81 85 91 78
inches 2.7 1.7 2.4 1.8 1.9 2.4 2.8 2.6 3.2 3.3 3.6 3.1
Rainy days 20 12 18 13 14 13 14 14 16 18 19 19

Average annual rainfall in Katwijk aan Zee: 856.467mm (337.2 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Katwijk aan Zee

Katwijk aan Zee average daily sunshine chart
Average daily sunshine Katwijk aan Zee
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.7 3 4 5.9 7.5 7.6 7.2 7 5 3.6 2.1 1.5

Day / night temperatures

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

Katwijk aan Zee average minimum / maximum temperatures (Celsius) Katwijk aan Zee average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Katwijk aan Zee (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.6 0.2 2 3.8 7.4 10.5 12.8 12.6 10.5 7.5 4.2 2.2
Max °C 5.3 5.7 8.5 11.3 15.9 18.4 20.3 20.7 18 14.2 9.5 6.9
Min °F 33 32.3 35.5 38.8 45.2 50.8 55 54.6 50.8 45.4 39.5 35.9
Max °F 37.2 37.2 41.4 45.5 52.9 57.9 61.7 61.9 57.6 51.4 44.2 40.1

Sea temperature

The graph below shows the average sea temperature.

Katwijk aan Zee average sea temperature chart (Celsius) Katwijk aan Zee average sea temperature chart (Fahrenheit)
Average sea temperature around Katwijk aan Zee in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.1 5.9 6.1 8.1 11 14 16.5 18.1 17.4 15.2 12.1 9.1
°F 44.7 42.6 43 46.5 51.7 57.1 61.8 64.6 63.3 59.4 53.8 48.5

Wind speed

The graph below shows the average wind speed.

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

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.

Katwijk aan Zee relative humidity averages
Average relative humidity in Katwijk aan Zee
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
88% 85% 84% 80% 79% 80% 80% 80% 82% 85% 86% 88%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Katwijk aan Zee weather stats

Katwijk aan Zee weather statistics
Hottest month: August 20.5°C 68.9°F
Driest month: February 44mm 1.7ins
Sunniest month: May 7.5hrs
Coldest month: January 5.1°C 41.2°F
Wettest month: November 91mm 3.6ins
Warmest sea: August 18.1°C 64.6°F
Map showing location of Katwijk aan Zee (52.20333, 4.39861) Katwijk aan Zee map pin © Google

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