Average weather for Iceland in May
It's cold in May in Iceland with an average temperature of 7°C. Temperatures this month range from a low of 5°C to a high of 10°C. At night, you can expect temperatures between 0°C and 5°C.
Start of May
The month of May starts in Iceland with cold temps, averaging around 6°C during the day and nights around 1°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid May
By mid-May, daytime temps rise to around 8°C, with nights around 2°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in Iceland is around 10°C, while nighttime temps are about 4°C. A shower might pop up, but overall, the weather will be dry and sunny.
In May, there is an average of 90 mm of precipitation, spread over 15 days. Of the total precipitation, about 7,7 cm falls as snow in May. The wind speed is around 5 Bft, mostly coming from the Southeast.
Iceland in May |
New York | ||
|---|---|---|---|
 Average temperature |
7°C | 22°C | |
 Max. temperature |
10°C | 28°C | |
| Min. temperature |
5°C | -5°C | |
 Total precipitation |
90 mm | 105 mm | |
| Rainy days |
15 days | 14 days | |
 Total snowfall |
7,7 cm | 0 cm | |
| Snowy days |
4 days | 0 days | |
April
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Temperature records
With 17°C in 2017, Iceland reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was -7°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of -11°C to a highest value of 10°C.
Check out the climate of Iceland for all months and discover the best travel time
The climate in Iceland is based on weather data from Reykjavík. Other places, like VíkHúsavík, might have different weather. You can check out all destinations in Iceland to get the full picture of the climate.
Daily Temperature in May in Iceland
This chart shows the average daily high and low temperatures in May for Iceland, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Weather experiences in May in Iceland
Good
There were many sunny days with pleasant temperatures. It ra... more
Daily Precipitation in May in Iceland
The chart below shows the average daily precipitation in May for Iceland, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 15 days of precipitation in Iceland.
Daily Snowfall in May in Iceland
This chart shows the average daily snowfall in May in Iceland, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in May.
Daily UV index in May in Iceland
This chart shows the average daily UV index in May in Iceland, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in May in Iceland over the years
This chart shows the average temperature in May in Iceland, measured in degrees Celsius, over the past few years.
Total precipitation in May in Iceland over the years
This chart shows the average precipitation in May in Iceland, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Snowfall in May in Iceland per year
This chart shows the average snowfall in May in Iceland, measured in centimeters, over the past few years.
Daily weather in May for Iceland
Click on any day in May to get detailed info about the usual weather on that day in Iceland. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in May in Iceland
The weather in May in Iceland is rated 4 out of 5 stars by 1 visitor. Have you been to Iceland? Share your weather experience to help other visitors.
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There were many sunny days with pleasant temperatures. It rained occasionally, but not too much. Nice change of weather!— This text is automatically translated to English
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Average weather in Iceland by month
Click on a month below to see detailed weather info for Iceland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
