Alta weather in August 2025

Expect daytime maximum temperatures of 15°C in Alta, Norway in August based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 60 mm of rainfall in the month.

  • 15°C maximum daytime temperature in August in Alta15
    15°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in August in Alta16
    16 days with some rainfall
  • 7°C minimum night-time temperature in August in Alta7
    7°C min night temperature
  • 18 hours of daylight per day in August in Alta18
    18 hours of daylight per day
  • No heat & humidity in August in Alta0
    No heat & humidity
  • 60 mm monthly rainfall in August in Alta60
    60 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in August in Alta3
    3 (Moderate) UV index
  • 10°C sea temperature in August in Alta10
    10°C sea temperature

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The August weather guide for Norway (Alta) 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 Alta in August?

Daytime temperatures usually reach 15°C in Alta in August, falling to 7°C at night.

How sunny is it in Alta in August?

There are normally 6 hours of bright sunshine each day in Alta in August - that's 32% of daylight hours.

Is the sea cold around Alta in August?

The average sea temperature around Alta in August is 10°C.

Does it rain in Alta in August?

There are usually 16 days with some rain in Alta in August and the average monthly rainfall is 60mm.

Alta August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 00:56 22:03
Saturday, 16th August 2025 02:30 20:29
Sunday, 31st August 2025 03:39 19:13

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