Alta weather in May 2025

Expect 45°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Alta in May. Check more long-term weather averages for Alta in May before you book your next holiday to Norway in 2025/2026.

  • 45°F maximum daytime temperature in May in Alta45
    45°F max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in May in Alta13
    13 days with some rainfall
  • 30°F minimum night-time temperature in May in Alta30
    30°F min night temperature
  • 22 hours of daylight per day in May in Alta22
    22 hours of daylight per day
  • No heat & humidity in May in Alta0
    No heat & humidity
  • 1.3 inches monthly rainfall in May in Alta1.3
    1.3 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in May in Alta3
    3 (Moderate) UV index
  • 30°F sea temperature in May in Alta30
    30°F sea temperature

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The May 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)  |  Imperial (°F)

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More about Norway

How cold is it in Alta in May?

Daytime temperatures usually reach 45°F in Alta in May, falling to 30°F at night.

How sunny is it in Alta in May?

There are normally 8 hours of bright sunshine each day in Alta in May - that's 34% of daylight hours.

How warm is the sea around Alta in May?

The average sea temperature around Alta in May is 30°F.

Does it rain in Alta in May?

There are usually 13 days with some rain in Alta in May and the average monthly rainfall is 1.3 inches.

Alta May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 01:57 20:55
Friday, 16th May 2025 Daylight all day
Saturday, 31st May 2025 Daylight all day

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