Cologne weather in May 2026

Expect daytime maximum temperatures of 66°F in Cologne, Germany in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 2.6 inches of rainfall in the month.

  • 66°F maximum daytime temperature in May in Cologne66
    66°F max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Cologne16
    16 days with some rainfall
  • 48°F minimum night-time temperature in May in Cologne48
    48°F min night temperature
  • 16 hours of daylight per day in May in Cologne16
    16 hours of daylight per day
  • No heat & humidity in May in Cologne0
    No heat & humidity
  • 2.6 inches monthly rainfall in May in Cologne2.6
    2.6 inches of monthly rainfall
  • UV (maximum) index 6 (High) in May in Cologne6
    6 (High) UV index

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The May weather guide for Germany (Cologne) 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)  |  Imperial (°F)

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How hot is it in Cologne in May?

Daytime temperatures usually reach 66°F in Cologne in May, falling to 48°F at night.

How sunny is it in Cologne in May?

There are normally 6 hours of bright sunshine each day in Cologne in May - that's 41% of daylight hours.

Does it rain in Cologne in May?

There are usually 16 days with some rain in Cologne in May and the average monthly rainfall is 2.6 inches.

Cologne May sunrise & sunset times

Browse the sunrise and sunset times for Cologne in May 2026. Select a month to view Cologne sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:06 19:54
Saturday, 16th May 2026 04:41 20:17
Sunday, 31st May 2026 04:24 20:36

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