Weather · Aarau, Switzerland
Aarau Weather in December
December in Aarau averages 6°C by day and 0°C at night, with about 137mm of rain. That makes it not the easiest month, weather-wise.
Avg high
6°C
43°F
Avg low
0°C
32°F
Rainfall
137mm
#1 wettest of 12
What to pack
Warm layers and a proper coat. Bring a compact umbrella for the odd shower.
Timing a trip around the weather? A Local Friend in Aarau builds it around the season for you.