Bern, the capital of Switzerland, shows its historical features like no other place in Switzerland.
In Bern, rain peaks as summer temperatures rise, as you can see from the historical precipitation and temperature charts below.
April through September is the best time to go to Bern. Late spring is recommended for long days and good weather. Summer is also a good time to visit Bern--the August temperatures are quite pleasant. July through mid-August is vacation season, so some restaurants may close down for times during the period.
There are approximately 1,700 hours of sunshine per year in Bern.
Summer weather in Bern is known to be rather changeable, so be prepared. Rain is frequent June-August, but wait a while and it'll probably change.
The charts below show the historic high and low temperatures and the month by month average precipitation for Bern.
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