Reykjavík weather

Our guide to the weather in Reykjavík during March

3

Average high

1

UV Index

119mm

Monthly rainfall

4

Sea temperature

We've looked at the most up-to-date weather data for Reykjavík, covering the last 12 years up to 2026, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Reykjavík weather in March.

How cold is it in Reykjavík during March?

It's cold in Reykjavík during March. The temperature tops out at around 3℃ during the day, falling away to -1℃ at night. Brrrr! The UV index will be low at this time of year, so not something to worry about. However, if you're going to be outside for long periods it's always a good idea to apply a small amount of sunscreen to exposed skin.

Does it snow in Reykjavík during March?

Yes, snow is pretty likely during March. There's also a good chance that there will be ice and snow on the ground, so pack appropriate footwear and clothing.

Does it rain in Reykjavík during March?

On average, there will be 10 rainy days during the month, amounting to 118.5mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Of course, some of that rain will actually fall as sleet, snow, and possibly freezing rain. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Reykjavík during March?

Expect moderate breeze becoming stronger at times during March, with occasional gusts up to 22mph. With cold air temperatures at this time of year, any breeze will feel very cold.

Is it too cold to swim in the sea in Reykjavík during March?

The water around Reykjavík is a frigid 4℃ during March and is far too cold for for swimming. Those who frequently swim in cold open water might want to take a very quick plunge, but prolonged exposure could cause hypothermia. A thick winter wetsuits will allow longer exposure to the water, if you are very brave!

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Weather in Reykjavík

Our month-by-month guide to the weather and climate in Reykjavík

1.6

Reykjavík weather in

January
1.8

Reykjavík weather in

February
2.7

Reykjavík weather in

March
5.3

Reykjavík weather in

April
8.5

Reykjavík weather in

May
11.8

Reykjavík weather in

June
13.7

Reykjavík weather in

July
13.1

Reykjavík weather in

August
10.2

Reykjavík weather in

September
6.4

Reykjavík weather in

October
3.4

Reykjavík weather in

November
0.9

Reykjavík weather in

December