Alphen aan den Rijn Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Alphen aan den Rijn.
Climate overview of Alphen aan den Rijn
Alphen aan den Rijn, Zuid-Holland, Netherlands, sees big temperature differences between seasons, with August peaking at 23°C (73°F) and January dropping to 7°C (45°F).
Annual rain/snowfall is moderate at around 915 mm (36 in), with August being the wettest month. The city also has warm summers and cold winters. The most sunshine falls in May, with an average of 7.7 hours of daily sunshine.
Alphen aan den Rijn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Alphen aan den Rijn - and find the best time to visit.
Monthly Temperature in Alphen aan den Rijn
Visitors to Alphen aan den Rijn can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 23°C (73°F) in August. In January, 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 August to 2°C (36°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Alphen aan den Rijn
Generally, Alphen aan den Rijn experiences moderate precipitation patterns, averaging 915 mm (36 in) yearly. Alphen aan den Rijn experiences moderate seasonal variation in rainfall, with monthly averages ranging from 93 mm (3.7 in) in August, the wettest month, and 56 mm (2.2 in) in April, the driest month. For more details, please visit our Alphen aan den Rijn Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Alphen aan den Rijn
Alphen aan den Rijn can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 7.7 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
Humidity in Alphen aan den Rijn by Month
The city experiences its highest humidity in December, reaching 87%. In May, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Alphen aan den Rijn
The mean wind speed over the year ranges from 5 m/s (10 knots) in April, May, June, July, August, September and October to 6 m/s (12 knots) in January, February, March, November and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Alphen aan den Rijn
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July, August and September
- Warmest weather: July and August
- Most sunshine: May and July
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Alphen aan den Rijn
What is the best time to visit Alphen aan den Rijn?
June, July, August and September typically offer the most optimal weather in Alphen aan den Rijn. In contrast, January, February and December tend to have less optimal conditions. Alphen aan den Rijn has warm summers and cold winters.
What temperatures can I expect in Alphen aan den Rijn?
Daytime highs range from 7°C (45°F) in January to 23°C (73°F) in August. Nighttime lows range from 2°C (36°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Alphen aan den Rijn get?
Annual rainfall is around 915 mm (36 in). August is the wettest month with 93 mm (3.7 in), while April is the driest with 56 mm (2.2 in).
How sunny is Alphen aan den Rijn?
Alphen aan den Rijn receives around 1,738 hours of sunshine per year. May is the sunniest month with 232 hours, while December is the cloudiest with just 50 hours.
Alphen aan den Rijn 3-Day Forecast
Alphen aan den Rijn 3-Day Forecast
Alphen aan den Rijn on the map
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