The weather in Chur, Switzerland is mostly pleasant and mild.
Autumn: September to November is autumn season with an average of 16 degrees Celsius even though November can get colder.
Winter: December to February is winter season with the coldest being January- lower than 5 degrees Celsius.
Spring: March to May is Spring season and a good time to visit the town if you don’t mind missing the winter sports. Sometimes temperatures can drop down to winter temperatures in April with a sudden rise in May.
Summer: June to August is Summer season with an average of 25 degrees Celsius eventhough summer can peak to 30 degrees Celsius.
The best time to visit Chur is completely dependent on what you want to explore in the town. If you love winter sports then visit the town during winter and if you want to explore the culture, history behind it, visits during summer and spring are best preferred.