Sundsvall weather in August 2025

Expect 64°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Sundsvall in August. Check more long-term weather averages for Sundsvall in August before you book your next holiday to Sweden in 2025/2026.

  • 64°F maximum daytime temperature in August in Sundsvall64
    64°F max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in August in Sundsvall14
    14 days with some rainfall
  • 48°F minimum night-time temperature in August in Sundsvall48
    48°F min night temperature
  • 16 hours of daylight per day in August in Sundsvall16
    16 hours of daylight per day
  • No heat & humidity in August in Sundsvall0
    No heat & humidity
  • 3.1 inches monthly rainfall in August in Sundsvall3.1
    3.1 inches of monthly rainfall
  • UV (maximum) index 4 (Moderate) in August in Sundsvall4
    4 (Moderate) UV index
  • 61°F sea temperature in August in Sundsvall61
    61°F sea temperature

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The August 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)  |  Imperial (°F)

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How hot is it in Sundsvall in August?

Daytime temperatures usually reach 64°F in Sundsvall in August, falling to 48°F at night.

How sunny is it in Sundsvall in August?

There are normally 6 hours of bright sunshine each day in Sundsvall in August - that's 40% of daylight hours.

How warm is the sea around Sundsvall in August?

The average sea temperature around Sundsvall in August is 61°F.

Does it rain in Sundsvall in August?

There are usually 14 days with some rain in Sundsvall in August and the average monthly rainfall is 3.1 inches.

Sundsvall August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 03:14 20:38
Saturday, 16th August 2025 03:56 19:52
Sunday, 31st August 2025 04:37 19:04

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