Reykjavik weather in May 2026

Expect daytime maximum temperatures of 9°C in Reykjavik, Iceland in May based on long-term weather averages. There are 6 hours of sunshine per day on average with 16 days with some rainfall and typically 60 mm of rainfall in the month.

  • 9°C maximum daytime temperature in May in Reykjavik9
    9°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in May in Reykjavik16
    16 days with some rainfall
  • 3°C minimum night-time temperature in May in Reykjavik3
    3°C min night temperature
  • 19 hours of daylight per day in May in Reykjavik19
    19 hours of daylight per day
  • No heat & humidity in May in Reykjavik0
    No heat & humidity
  • 60 mm monthly rainfall in May in Reykjavik60
    60 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in May in Reykjavik3
    3 (Moderate) UV index
  • 6°C sea temperature in May in Reykjavik6
    6°C sea temperature

More about Reykjavik

Reykjavik by month

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

Recommended for Iceland

TUI: up to 8% off holidays booked online

  • Book online with TUI & save up to 8% 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 May 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)

Back to top

More about Iceland

How warm is it in Reykjavik in May?

Daytime temperatures usually reach 9°C in Reykjavik in May, falling to 3°C at night.

How sunny is it in Reykjavik in May?

There are normally 6 hours of bright sunshine each day in Reykjavik in May - that's 32% of daylight hours.

Is the sea cold around Reykjavik in May?

The average sea temperature around Reykjavik in May is 6°C.

Does it rain in Reykjavik in May?

There are usually 16 days with some rain in Reykjavik in May and the average monthly rainfall is 60mm.

Reykjavik May sunrise & sunset times

Browse the sunrise and sunset times for Reykjavik in May 2026. Select a month to view Reykjavik sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:00 21:52
Saturday, 16th May 2026 04:10 22:41
Sunday, 31st May 2026 03:26 23:27

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^