Cool
Average highs are around 13°C, so pack for cooler days.
Weather Guide
Reykjavik, Iceland Average Monthly Weather
Weather score18Poor annual avg
Best months: May, July, June
Across the year, average daytime temperatures are around 6°C, sunshine averages 3.1h per day, and rainfall totals about 1045mm. Sea temperatures average 8°C across the year.
Annual weather
Annual averages
Temp
6°C
Rain
1045mm
Annual total
Sun
3.1h
Sea
8°C
Weather score
18
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 66mm, 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 11°C, so the water can feel cool.
Map
Weather map
Compare Reykjavik, Iceland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July13°C average high
July is one of Reykjavik's hottest months, so shade and slower afternoons matter.
Warmest monthsJune to August
This stretch sets the upper range for average daytime heat.
Rain
July66mm average rain
July sits on the drier side of Reykjavik's year, which helps with sightseeing and transfers.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July5.5 hours average sun
July is one of Reykjavik'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
July11°C average sea
July is one of Reykjavik's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 11°C in this stretch, so swimming comfort is at its strongest.
Weather score
July24 weather score
July scores above Reykjavik's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsApril to September
These months have the strongest weather score in the monthly averages.
