Tonsberg weather in May 2026

Expect daytime maximum temperatures of 59°F in Tonsberg, Norway in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 13 days with some rainfall and typically 2.3 inches of rainfall in the month.

  • 59°F maximum daytime temperature in May in Tonsberg59
    59°F max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in May in Tonsberg13
    13 days with some rainfall
  • 43°F minimum night-time temperature in May in Tonsberg43
    43°F min night temperature
  • 17 hours of daylight per day in May in Tonsberg17
    17 hours of daylight per day
  • No heat & humidity in May in Tonsberg0
    No heat & humidity
  • 2.3 inches monthly rainfall in May in Tonsberg2.3
    2.3 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Tonsberg4
    4 (Moderate) UV index
  • 50°F sea temperature in May in Tonsberg50
    50°F sea temperature

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The May weather guide for Norway (Tonsberg) 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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More about Norway

How warm is it in Tonsberg in May?

Daytime temperatures usually reach 59°F in Tonsberg in May, falling to 43°F at night.

How sunny is it in Tonsberg in May?

There are normally 7 hours of bright sunshine each day in Tonsberg in May - that's 42% of daylight hours.

How warm is the sea around Tonsberg in May?

The average sea temperature around Tonsberg in May is 50°F.

Does it rain in Tonsberg in May?

There are usually 13 days with some rain in Tonsberg in May and the average monthly rainfall is 2.3 inches.

Tonsberg May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 04:20 20:12
Saturday, 16th May 2026 03:44 20:47
Sunday, 31st May 2026 03:16 21:17

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