Iceland weather in October 2025

Expect 43°F daytime maximum temperatures in the shade with on average 2 hours of sunshine per day in Iceland in October. Check more long-term weather averages for Iceland in October before you book your next holiday to Iceland in 2025/2026.

  • 43°F maximum daytime temperature in October in Iceland (Reykjavik)43
    43°F max day temperature
  • 2 hours of sunshine per day
  • 20 days with some rainfall in October in Iceland (Reykjavik)20
    20 days with some rainfall
  • 34°F minimum night-time temperature in October in Iceland (Reykjavik)34
    34°F min night temperature
  • 10 hours of daylight per day in October in Iceland (Reykjavik)10
    10 hours of daylight per day
  • No heat & humidity in October in Iceland (Reykjavik)0
    No heat & humidity
  • 4.5 inches monthly rainfall in October in Iceland (Reykjavik)4.5
    4.5 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in October in Iceland (Reykjavik)1
    1 (Low) UV index
  • 46°F sea temperature in October in Iceland (Reykjavik)46
    46°F sea temperature

More about Iceland

Iceland by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Iceland

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

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.

Top Iceland destinations

Below are average maximum temperatures at popular countries, regions and places in Iceland in October. Select a holiday destination to see more weather parameters.

All Iceland destinations

Metric (°C)  |  Imperial (°F)

Back to top

More about Iceland

How cold is it in Iceland in October?

Daytime temperatures usually reach 43°F in Reykjavik, Iceland in October, falling to 34°F at night.

How sunny is it in Iceland in October?

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

How warm is the sea around Iceland in October?

The average sea temperature around Reykjavik, Iceland in October is 46°F.

Does it rain in Iceland in October?

There are usually 20 days with some rain in Reykjavik, Iceland in October and the average monthly rainfall is 4.5 inches.

Iceland October sunrise & sunset times

Browse the sunrise and sunset times for Iceland in October 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
Wednesday, 1st October 2025 07:37 18:56
Thursday, 16th October 2025 08:21 18:03
Friday, 31st October 2025 09:08 17:13

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^