Overview: Noordwijk aan ZeeNoordwijk aan Zee (Netherlands) in general has a mild climate. The day temperatures range from 6 °C (43 °F) in January to 21 °C (71 °F) in July. Temperatures during the night go from 1 °C (34 °F) in February to 14 °C (57 °F) in August. The least rainy month in Noordwijk aan Zee is April with its 9 days of rain, the rainiest month is November, when it rains 15 days. The highest sea temperatures in Noordwijk aan Zee are in August with 18 °C (65 °F) and the lowest in February with 5 °C (41 °F).