Basel's Climate

Basel has a temporate climate, with cold dry winters and warm wet summers. Snow is common from October through to February with temperatures occasionally touching the likes of -15C to -20C. Warm spring days may be as early as early March through to early November with high temperatures in the summer occasionally in excess of 35C ot 38C. Thunderstorms with heavy rain and large hail are commonplace in summer as are heatwaves, with hot days and very warm nights.

Month Max (°C) Min (°C) Rainfall
January 4 -2 61
February 5 -2 53
March 11 1 62
April 15 5 68
May 20 9 79
June 22 12 117
July 24 14 106
August 24 13 100
September 21 11 98
October 14 6 67
November 8 2 69
December 5 -1 52