Alphen Weather & Climate: Best Time to Visit

The climate in Alphen is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 24°C (75°F) in July. In February, the coolest month of the year, temperatures drop to a chilly 7°C (45°F).

At night, temperatures range from around 14°C (57°F) in July to 1°C (34°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Alphen receives mid-range precipitation levels, with 866 mm (34 in) annually. Despite minor fluctuations, Alphen enjoys fairly consistent precipitation throughout the year. In July, you can expect around 87 mm (3.4 in) of precipitation, while in April, Alphen receives about 57 mm (2.2 in). For more details, please visit our Alphen Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Alphen can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.0 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.7 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The city experiences its highest humidity in December, reaching 89%. In May, the humidity drops to its lowest level at 73%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

The average wind speed over the year ranges from 4 m/s (8 knots) to 5 m/s (10 knots). It is lower in April, May, June, July, August, September, October and November and higher in January, February, March and December. What does this mean?

The mean monthly wind speed over the year (meters per second)