August is the hottest month in Der Helder with an average temperature of 17°C (63°F) and the coldest is February at 2°C (36°F) with the most daily sunshine hours at 7 in June. The wettest month is September with an average of 100mm of rain. The best month to swim in the sea is in August when the average sea temperature is 19°C (66°F).
 
                     
                     
                     
                     
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Sunrise 07:38
 
                                    Sunset 17:12
 
                                    Sunrise 07:38
 
                                        Sunset 17:12
