Daytime highs, nighttime lows and the warmest cities across Iceland this May.
Iceland, experiences low average maximum daytime temperatures in May, ranging from 5°C (41°F) in Suðureyri to 12°C (54°F) in Hella. Nighttime temperatures generally drop to 5°C (41°F) in Hella and 2°C (36°F) in Suðureyri.
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.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Iceland.
Marker color shows the average daytime high temperature in May: blue is cold, red is hot.
Drill down to May weather for any region in Iceland.
Pick a city to see its May weather averages.
Expect daytime temperatures around 11°C (52°F) in Reykjavík. That makes May a low month for Iceland.
After dark, Reykjavík cools to about 4°C (39°F) on an average May night.
Data insights from our comprehensive database indicate that Hella is the city with the highest warmth. Daytime peaks average near 12°C (54°F), while the nights are characterized by a low temperature close to 5°C (41°F).
Our database indicates that in May, Suðureyri is the city with the coolest temperatures in Iceland. You can expect daytime highs of 5°C (41°F) and nighttime lows close to 2°C (36°F).
Reykjavík enjoys approximately 201 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.
The water temperature averages approximately 8°C (46°F) in Reykjavík this month, so not the best month to swim.
We have much more information about the climate in Iceland.
Weather and climate has detailed information for every country in the world. Are you going to Iceland? Get detailed historical weather averages for many cities in Iceland.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.
Need travel inspiration? Check out our bucket list articles and be inspired.
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