March in Alkmaar averages a daily high of 9.7°C with nights around 2.3°C. Expect roughly 12.7 wet days totalling 50.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Alkmaar is June–September.
Based on BERKHOUT, NL (15.6km), 1995–2024. 25 years of March data.