Cham, Switzerland in May has mild conditions, with highs averaging 17.5°C (64°F) and noticeably cooler mornings. Rain falls on about 17 days this month, totalling around 144 mm.
This month falls at the end of Spring.
Daily highs in May gradually rise from around 15°C (60°F) at the start to 20°C (67°F) by month's end.
May sees fairly even rainfall, totalling about 144 mm across the month.
Expect around 9.3h of sunshine at the start of May, increasing to 12.0h by the end.
The warmest days tend to fall around the 29th, averaging 19.9°C (68°F).