Cool
Average highs are around 7°C, so pack for cooler days.
May verdict
Iceland in May
Weather score25Poor
Poor for holiday weather
Average highs are around 7°C, so pack for cooler days. Sunshine averages 5.5h per day, enough for a balanced month. Rainfall averages 76mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
7°C
Rain
76mm
Sun
5.5h
Sea
7°C
Weather score
25
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 76mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.5h per day, enough for a balanced month.
Cool sea
Sea temperatures average 7°C, so the water can feel cool.
Map
Weather map
Compare Iceland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May7°C average high
May is close to Iceland's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to August
This stretch sets the upper range for average daytime heat.
Rain
May76mm average rain
May is one of Iceland's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsFebruary and April to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May5.5 hours average sun
May is one of Iceland's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May7°C average sea
May is below Iceland's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 11°C in this stretch, so swimming comfort is at its strongest.
Weather score
May25 weather score
May is one of Iceland's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsApril to September
These months have the strongest weather score in the monthly averages.
Hotels near Iceland
Marriott
ION Adventure Hotel, Nesjavellir, a Member of Design Hotels™Nesjavellir, Iceland
ION City Hotel, a Member of Design Hotels™Reykjavik, Iceland
101 Hotel, Reykjavik, a Member of Design Hotels™Reykjavik, Iceland
The Reykjavik EDITIONReykjavik, Iceland
Courtyard Reykjavik Keflavik AirportReykjanesbaer, Iceland