Aarau Monthly Climate Averages
Aarau is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Aarau .
Best time with the soft weather for the sightseeing and long walks in Aarau are May, June, July, August.
Temperature in Aarau
The table shows that the hottest months in Aarau are July and August, during which the average daytime temperature reaches +25.4°C and the nighttime temperature falls to +13.4°C.
The coldest months are January and December, when the daily average temperature falls to +3.2°C, and drops to -1.9°C during the night.
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The largest amount of precipitation falls on average in July and June, up to 112mm, and the least in February and January — up to 66mm.