Basel weather in May 2025

Expect 18°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Basel in May. Check more long-term weather averages for Basel in May before you book your next holiday to Switzerland in 2025/2026.

  • 18°C maximum daytime temperature in May in Basel18
    18°C max day temperature
  • 6 hours of sunshine per day
  • 17 days with some rainfall in May in Basel17
    17 days with some rainfall
  • 8°C minimum night-time temperature in May in Basel8
    8°C min night temperature
  • 15 hours of daylight per day in May in Basel15
    15 hours of daylight per day
  • No heat & humidity in May in Basel0
    No heat & humidity
  • 79 mm monthly rainfall in May in Basel79
    79 mm of monthly rainfall
  • UV (maximum) index 6 (High) in May in Basel6
    6 (High) UV index

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The May weather guide for Switzerland (Basel) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Switzerland

How hot is it in Basel in May?

Daytime temperatures usually reach 18°C in Basel in May, falling to 8°C at night.

How sunny is it in Basel in May?

There are normally 6 hours of bright sunshine each day in Basel in May - that's 39% of daylight hours.

Does it rain in Basel in May?

There are usually 17 days with some rain in Basel in May and the average monthly rainfall is 79mm.

Basel May sunrise & sunset times

Browse the sunrise and sunset times for Basel in May 2025. Select a month to view Basel sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:13 19:42
Friday, 16th May 2025 04:51 20:02
Saturday, 31st May 2025 04:37 20:18

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