Alphen aan den Rijn monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Alphen aan den Rijn

Alphen aan den Rijn average temperature chart (Celsius) Alphen aan den Rijn average temperature chart (Fahrenheit)
Average monthly temperatures in Alphen aan den Rijn (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.1 5.7 8.6 11.7 16.3 18.8 20.7 21 18.1 14.1 9.3 6.6
°F 41.2 42.2 47.5 53 61.3 65.8 69.3 69.9 64.6 57.3 48.7 43.9

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.

Alphen aan den Rijn monthly rainfall chart (mm) Alphen aan den Rijn monthly rainfall chart (inches)
Average monthly rainfall in Alphen aan den Rijn (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 70 46 63 47 52 67 74 72 78 83 86 80
inches 2.8 1.8 2.5 1.9 2.1 2.6 2.9 2.9 3.1 3.3 3.4 3.2
Rainy days 19 12 17 13 14 14 13 13 15 17 19 19

Average annual rainfall in Alphen aan den Rijn: 874.966mm (344.5 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Alphen aan den Rijn

Alphen aan den Rijn average daily sunshine chart
Average daily sunshine Alphen aan den Rijn
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.7 3 3.8 5.7 7.4 7.2 7.1 6.8 4.9 3.6 2.1 1.4

Day / night temperatures

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

Alphen aan den Rijn average minimum / maximum temperatures (Celsius) Alphen aan den Rijn average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Alphen aan den Rijn (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 0.4 0 1.8 3.6 7.3 10.4 12.5 12.4 10.1 7.2 3.8 1.9
Max °C 5.3 5.8 8.8 11.9 16.5 19 20.9 21.3 18.3 14.3 9.4 6.7
Min °F 32.6 32 35.2 38.4 45.1 50.7 54.5 54.2 50.2 44.9 38.8 35.4
Max °F 37 37.2 41.5 45.9 53.4 58.5 62.1 62.2 57.6 51.3 43.9 39.7

Sea temperature

The graph below shows the average sea temperature.

Alphen aan den Rijn average sea temperature chart (Celsius) Alphen aan den Rijn average sea temperature chart (Fahrenheit)
Average sea temperature around Alphen aan den Rijn 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.

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

Alphen aan den Rijn relative humidity averages
Average relative humidity in Alphen aan den Rijn
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 85% 84% 80% 78% 79% 79% 80% 83% 86% 87% 89%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Alphen aan den Rijn weather stats

Alphen aan den Rijn weather statistics
Hottest month: August 21°C 69.8°F
Driest month: February 46mm 1.8ins
Sunniest month: May 7.4hrs
Coldest month: January 5.1°C 41.2°F
Wettest month: November 86mm 3.4ins
Warmest sea: August 18.1°C 64.6°F
Map showing location of Alphen aan den Rijn (52.12917, 4.65546) Alphen aan den Rijn map pin © Google

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