Iceland weather in May 2026
Iceland weather in May 2026
Day
9 °C
Night
3 °C
Sea
6 °C
Precipitation
49 mm
in month
Rainy days
7 days
in month
Daylight
18 hours
average
Sunshine
6 hours
average
Humidity
80 %
Day
9 °C
Night
3 °C
Sea
6 °C
Precipitation
49 mm
in month
Rainy days
7 days
in month
Daylight
18 hours
average
Sunshine
6 hours
average
Humidity
80 %
Overview: IcelandIceland – here is where stunning landscapes, dramatic geothermal activity, and mythical allure come together. Explore the ethereal beauty of the Golden Circle, where you can witness the mighty Gullfoss waterfall, the geothermal marvels of Geysir, and the tectonic rift at Þingvellir National Park. Immerse yourself in the otherworldly landscapes of the black sand beaches, glittering ice caves, and towering glaciers. Experience the enchanting Northern Lights dance across the night sky, and relax in the soothing geothermal pools of the Blue Lagoon. Iceland promises an extraordinary adventure that will leave you in awe of nature's wonders.
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Weather overview and FAQs
Weather overview
In May in Iceland, the average air temperature ranges from 9 °C (48 °F) during the day to 3 °C (37 °F) at night. There are 7 days of rain on average, where the rainfall is 49 mm (1.92 in).
Is May a good month to visit Iceland?
Iceland can be visited in May - the weather will be moderate. A relatively low temperature of 9 °C (48 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The night temperature of 3 °C (37 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.
What is the average number of rainy days in Iceland in May?
In Iceland in May, we can expect 7 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.7 days of the week, or in general - 24 % days.
What is the temperature in Iceland during the day in May?
In May in Iceland, the average daily temperatures will be 9 °C (48 °F). Be sure to pack warm clothes, including a jacket and a warm sweater. On some days it may occasionally freeze, but with stronger winds, the feeling of cold may increase.
Is the weather in Iceland warmer in May than in April?
Yes, May in Iceland is warmer than April by 4 °C (39 °F).
Is Iceland rainier in May than in April?
No, in May in Iceland it does not rain more than in April.
How windy is Iceland in May?
In May in Iceland, there will be an average wind scale of 5.
How long is the day (from dawn till dusk) in Iceland in May?
The length of daylight in Iceland in May is 18 hours.
How humid is Iceland in May?
Humidity in Iceland in May is 80 %.
Is the temperature rising or falling in the course of time in May in Iceland?
Over the course of May in Iceland, the temperatures are rising from 7 °C (45 °F) at the beginning of the month to 11 °C (51 °F) at the end of the month.
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