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Basel Weather and climate

Data source:Meteostat
Update date:2025-09

Basel year round climate
  • Spring (March–May): 8.5–15.7°C on average, the climate gradually changes from cold to warm, rainfall gradually increases, with the most rainfall in May. Common activities: outdoor walks, visiting museums, exploring the Rhine. Recommended clothing: light jacket, comfortable trousers or skirt, comfortable shoes.
  • Summer (June–August): 20.1–21.7°C on average, warm and humid climate, abundant sunshine, relatively little rainfall. Common activities: picnics on the Rhine, boating, visiting Art Basel (if during the event). Recommended clothing: light and breathable clothing, sun hat, sunscreen.
  • Autumn (September–November): 16.7–7.3°C on average, the climate changes from warm to cool, more rainfall, and greater weather variability. Common activities: tasting local cuisine, visiting Basel Minster, enjoying autumn scenery. Recommended clothing: warm jacket, comfortable trousers or skirt.
  • Winter (December–February): 3.9–6.3°C on average, cold climate, rain and snow mixed, feeling relatively damp and cold. Common activities: visiting indoor museums or art galleries, enjoying hot chocolate, Christmas market (if during the event). Recommended clothing: heavy coat, scarf, gloves, hat.
Basel climatological average

Annual average temperature: approx. 12.5°C / Annual rainfall: approx. 800 mm / Summer humidity: 65%–75% / Rainiest month: May

Basel monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
3.2°C
44.3
February
6.3°C
28.3
March
8.5°C
63
April
10.4°C
65.3
May
15.7°C
91
June
20.1°C
81
July
21.5°C
61.7
August
21.7°C
78.3
September
16.7°C
82.7
October
14°C
67
November
7.3°C
80.7
December
3.9°C
57
Basel weather for the next seven days
10/14
Tuesday
Sunny
16.1°C/8.2°C
10/15
Wednesday
Sunny
16.3°C/6.5°C
10/16
Thursday
Sunny
15.1°C/6.1°C
10/17
Friday
Sunny
15.2°C/5.8°C
10/18
Saturday
Sunny
14.4°C/4.7°C
10/19
Sunday
Sunny
13.6°C/4.2°C
10/20
Monday
Sunny
15.9°C/4.5°C