Tonsberg weather in May 2025

Expect daytime maximum temperatures of 15°C 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 58 mm of rainfall in the month.

  • 15°C maximum daytime temperature in May in Tonsberg15
    15°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in May in Tonsberg13
    13 days with some rainfall
  • 6°C minimum night-time temperature in May in Tonsberg6
    6°C 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
  • 58 mm monthly rainfall in May in Tonsberg58
    58 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Tonsberg4
    4 (Moderate) UV index
  • 10°C sea temperature in May in Tonsberg10
    10°C 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 / mm)  |  Imperial (°F / inches)

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More about Norway

How warm is it in Tonsberg in May?

Daytime temperatures usually reach 15°C in Tonsberg in May, falling to 6°C 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.

Is the sea cold around Tonsberg in May?

The average sea temperature around Tonsberg in May is 10°C.

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 58mm.

Tonsberg May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:20 20:13
Friday, 16th May 2025 03:43 20:48
Saturday, 31st May 2025 03:16 21:18

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