Iceland temperatures in May

In Iceland in May the average maximum daytime temperatures are low and range from 6°C (42°F) in Borgarfjordur Eystri to 10°C (51°F) in Vík. Nighttime temperatures generally drop to 4°C (38°F) in Vík and 1°C (33°F) in Borgarfjordur Eystri.

What is the temperature of the different cities in Iceland in May?

Find the average daytime temperatures in May for the most popular destinations in Iceland on the map below. Click on a destination dot for more detailed information.

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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30ºC (86ºF). Warm: 22ºC (72ºF) to 30ºC (86ºF). Pleasant: 18ºC (64ºF) to 22ºC (72ºF) Moderate: 12ºC (54ºF) to 18ºC (64ºF). Cold: 2ºC (36ºF) to 12ºC (54ºF). Very cold: lower than 2ºC (36ºF)

  • What is the warmest city in May in Iceland?
  • Vík tops the warmest city list in our database with average maximum daytime temperatures around 10°C (51°F) and a minimum nighttime temperature of around 4°C (38°F).

  • What is the coldest city in May in Iceland?
  • The coldest city in May in Iceland is Borgarfjordur Eystri when we check our database. The maximum daytime temperatures are around 6°C (42°F) and minimum nighttime temperatures fall around 1°C (33°F).

  • How much sun does Iceland get in May?
  • May is generally a sunny month with an average of 201 hours of sunshine in Reykjavík during the whole month.

  • How warm is the water in May?
  • The water temperature averages approximately 8°C (46°F) in Reykjavík this month, so not the best month to swim.

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