July is the hottest month in Santander with an average temperature of 20°C (68°F) and the coldest is January at 11°C (51°F) with the most daily sunshine hours at 6 in September. The wettest month is November with an average of 140mm of rain. The best month to swim in the sea is in August when the average sea temperature is 22°C (70°F).
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Sunrise 07:56
Sunset 18:01
Sunrise 07:56
Sunset 18:01