Longyearbyen weather in July 2025

Expect 7°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Longyearbyen in July. Check more long-term weather averages for Longyearbyen in July before you book your next holiday to Svalbard in 2025/2026.

  • 7°C maximum daytime temperature in July in Longyearbyen7
    7°C max day temperature
  • 7 hours of sunshine per day
  • 11 days with some rainfall in July in Longyearbyen11
    11 days with some rainfall
  • 3°C minimum night-time temperature in July in Longyearbyen3
    3°C min night temperature
  • 24 hours of daylight per day in July in Longyearbyen24
    24 hours of daylight per day
  • No heat & humidity in July in Longyearbyen0
    No heat & humidity
  • 24 mm monthly rainfall in July in Longyearbyen24
    24 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in July in Longyearbyen2
    2 (Low) UV index
  • -1°C sea temperature in July in Longyearbyen-1
    -1°C sea temperature

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The July weather guide for Svalbard, represented by Longyearbyen, (Longyearbyen) 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 cold is it in Longyearbyen in July?

Daytime temperatures usually reach 7°C in Longyearbyen in July, falling to 3°C at night.

How sunny is it in Longyearbyen in July?

There are normally 7 hours of bright sunshine each day in Longyearbyen in July - that's 27% of daylight hours.

Is the sea cold around Longyearbyen in July?

The average sea temperature around Longyearbyen in July is -1°C.

Does it rain in Longyearbyen in July?

There are usually 11 days with some rain in Longyearbyen in July and the average monthly rainfall is 24mm.

Longyearbyen July sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 Daylight all day
Wednesday, 16th July 2025 Daylight all day
Thursday, 31st July 2025 Daylight all day

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