July is the hottest month in Aachen with an average temperature of 17°C (63°F) and the coldest is January at 2°C (35°F) with the most daily sunshine hours at 10 in July. The wettest month is December with an average of 85.8mm of rain..
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Sunrise 07:50
Sunset 16:49
Sunrise 07:50
Sunset 16:49