July is the hottest month in Zermatt with an average temperature of 19°C (66°F) and the coldest is January at -1°C (30°F) with the most daily sunshine hours at 7 in September. The wettest month is July with an average of 130mm of rain. The best month to swim in the sea is in August when the average sea temperature is 26°C (79°F).
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Sunrise 07:39
Sunset 16:51
Sunrise 07:39
Sunset 16:51