Reykjavik weather in October 2025

Expect daytime maximum temperatures of 6°C in Reykjavik, Iceland in October based on long-term weather averages. There are 2 hours of sunshine per day on average with 20 days with some rainfall and typically 115 mm of rainfall in the month.

  • 6°C maximum daytime temperature in October in Reykjavik6
    6°C max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in October in Reykjavik20
    20 days with some rainfall
  • 1°C minimum night-time temperature in October in Reykjavik1
    1°C min night temperature
  • 10 hours of daylight per day in October in Reykjavik10
    10 hours of daylight per day
  • No heat & humidity in October in Reykjavik0
    No heat & humidity
  • 115 mm monthly rainfall in October in Reykjavik115
    115 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in October in Reykjavik1
    1 (Low) UV index
  • 8°C sea temperature in October in Reykjavik8
    8°C sea temperature

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The October weather guide for Iceland (Reykjavik) 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 Iceland

How cold is it in Reykjavik in October?

Daytime temperatures usually reach 6°C in Reykjavik in October, falling to 1°C at night.

How sunny is it in Reykjavik in October?

There are normally 2 hours of bright sunshine each day in Reykjavik in October - that's 24% of daylight hours.

Is the sea cold around Reykjavik in October?

The average sea temperature around Reykjavik in October is 8°C.

Does it rain in Reykjavik in October?

There are usually 20 days with some rain in Reykjavik in October and the average monthly rainfall is 115mm.

Reykjavik October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 07:37 18:56
Thursday, 16th October 2025 08:21 18:03
Friday, 31st October 2025 09:08 17:13

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