Norway weather in May 2025

Expect 15°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Norway in May. Check more long-term weather averages for Norway in May before you book your next holiday to Norway in 2025/2026.

  • 15°C maximum daytime temperature in May in Norway (Oslo)15
    15°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in May in Norway (Oslo)14
    14 days with some rainfall
  • 5°C minimum night-time temperature in May in Norway (Oslo)5
    5°C min night temperature
  • 17 hours of daylight per day in May in Norway (Oslo)17
    17 hours of daylight per day
  • No heat & humidity in May in Norway (Oslo)0
    No heat & humidity
  • 56 mm monthly rainfall in May in Norway (Oslo)56
    56 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Norway (Oslo)4
    4 (Moderate) UV index
  • 9°C sea temperature in May in Norway (Oslo)9
    9°C sea temperature

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The May weather guide for Norway (Oslo) 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.

Top Norway destinations

Below are average maximum temperatures at popular countries, regions and places in Norway in May. Select a holiday destination to see more weather parameters.

All Norway destinations

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

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More about Norway

How warm is it in Norway in May?

Daytime temperatures usually reach 15°C in Oslo, Norway in May, falling to 5°C at night.

How sunny is it in Norway in May?

There are normally 7 hours of bright sunshine each day in Oslo, Norway in May - that's 41% of daylight hours.

Is the sea cold around Norway in May?

The average sea temperature around Oslo, Norway in May is 9°C.

Does it rain in Norway in May?

There are usually 14 days with some rain in Oslo, Norway in May and the average monthly rainfall is 56mm.

Norway May sunrise & sunset times

Browse the sunrise and sunset times for Norway in May 2025. Select a month to view Norway sunrise and sunset times for the next 12 months. The Norway sunrise and sunset times shown below are for Oslo.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:15 20:15
Friday, 16th May 2025 03:37 20:51
Saturday, 31st May 2025 03:08 21:22

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