Climate almanac
Alphen aan den Rijn
South Holland, The Netherlands · 52.13°, 4.66°
What is the climate like in Alphen aan den Rijn?
The best time to visit Alphen aan den Rijn is typically July – August, with trip comfort peaking in August (6.8/10). Alphen aan den Rijn is warmest in August, when daily highs average 71°F (22°C), and coolest in January, when lows fall to about 38°F (3°C). The wettest month is typically October and the driest is April; the year sees roughly 37 in (947 mm) of precipitation.
- Best time to visitJuly – August — comfort peaks in August (6.8/10)
- Warmest monthAugust — average high 71°F (22°C)
- Coolest monthJanuary — average low 38°F (3°C)
- Wettest monthOctober (4.1 in (105 mm))
- Driest monthApril (2.4 in (61 mm))
- Annual precipitation37 in (947 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromSchiphol, 23 km away (1951-2026)