Sundsvall weather in May 2025

Expect daytime maximum temperatures of 12°C in Sundsvall, Sweden in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 42 mm of rainfall in the month.

  • 12°C maximum daytime temperature in May in Sundsvall12
    12°C max day temperature
  • 8 hours of sunshine per day
  • 11 days with some rainfall in May in Sundsvall11
    11 days with some rainfall
  • 2°C minimum night-time temperature in May in Sundsvall2
    2°C min night temperature
  • 18 hours of daylight per day in May in Sundsvall18
    18 hours of daylight per day
  • No heat & humidity in May in Sundsvall0
    No heat & humidity
  • 42 mm monthly rainfall in May in Sundsvall42
    42 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in May in Sundsvall4
    4 (Moderate) UV index
  • 1°C sea temperature in May in Sundsvall1
    1°C sea temperature

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The May weather guide for Sweden (Sundsvall) 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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How warm is it in Sundsvall in May?

Daytime temperatures usually reach 12°C in Sundsvall in May, falling to 2°C at night.

How sunny is it in Sundsvall in May?

There are normally 8 hours of bright sunshine each day in Sundsvall in May - that's 42% of daylight hours.

Is the sea cold around Sundsvall in May?

The average sea temperature around Sundsvall in May is 1°C.

Does it rain in Sundsvall in May?

There are usually 11 days with some rain in Sundsvall in May and the average monthly rainfall is 42mm.

Sundsvall May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 03:35 20:03
Friday, 16th May 2025 02:51 20:46
Saturday, 31st May 2025 02:15 21:24

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