The weather in Reykjavik in May is very cold with temperatures between 4°C and 9°C, warm clothes are a must.
You can expect rain for roughly half of the month of May in Reykjavik. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
You can expect a few days of snow in Reykjavik during May. It’s important to get out your snow boots and warm mittens to stay warm while you explore Reykjavik.
Our weather forecast can give you a great sense of what weather to expect in Reykjavik in May 2025.
If you’re planning to visit Reykjavik in the near future, we highly recommend that you review the 14 day weather forecast for Reykjavik before you arrive.
Temperatures
9° / 4°
Rainy Days
9
Snowy Days
3
Dry Days
20
Rainfall
88
mm
Sun Hours
6.6
Hrs
