Iceland weather in March 2025

Expect 2°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Iceland in March. Check more long-term weather averages for Iceland in March before you book your next holiday to Iceland in 2025/2026.

  • 2°C maximum daytime temperature in March in Iceland (Reykjavik)2
    2°C max day temperature
  • 3 hours of sunshine per day
  • 19 days with some rainfall in March in Iceland (Reykjavik)19
    19 days with some rainfall
  • -3°C minimum night-time temperature in March in Iceland (Reykjavik)-3
    -3°C min night temperature
  • 12 hours of daylight per day in March in Iceland (Reykjavik)12
    12 hours of daylight per day
  • No heat & humidity in March in Iceland (Reykjavik)0
    No heat & humidity
  • 99 mm monthly rainfall in March in Iceland (Reykjavik)99
    99 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in March in Iceland (Reykjavik)1
    1 (Low) UV index
  • 3°C sea temperature in March in Iceland (Reykjavik)3
    3°C sea temperature

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The March 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.

Top Iceland destinations

Below are average maximum temperatures at popular destinations in Iceland in March. Select a destination to see more weather parameters.

All Iceland destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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More about Iceland

How cold is it in Iceland in March?

Daytime temperatures usually reach 2°C in Reykjavik, Iceland in March, falling to -3°C at night.

How sunny is it in Iceland in March?

There are normally 3 hours of bright sunshine each day in Reykjavik, Iceland in March - that's 25% of daylight hours.

Is the sea cold around Iceland in March?

The average sea temperature around Reykjavik, Iceland in March is 3°C.

Does it rain in Iceland in March?

There are usually 19 days with some rain in Reykjavik, Iceland in March and the average monthly rainfall is 99mm. Rain may fall as snow in this month.

Iceland March sunrise & sunset times

Browse the sunrise and sunset times for Iceland in March 2025. Select a month to view Iceland sunrise and sunset times for the next 12 months. The Iceland sunrise and sunset times shown below are for Reykjavik.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 08:34 18:47
Sunday, 16th March 2025 07:42 19:32
Monday, 31st March 2025 06:48 20:17

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