Cool
Average highs are around 12°C, so pack for cooler days.
August verdict
Reykjavik, Iceland in August
Weather score21Poor
Poor for holiday weather
Average highs are around 12°C, so pack for cooler days. Sunshine averages 4.7h per day, so this is not one of the brighter months. Rainfall averages 83mm, so some wet days are possible.
August weather
Monthly averages
Temp
12°C
Rain
83mm
Sun
4.7h
Sea
12°C
Weather score
21
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 83mm, so some wet days are possible.
Limited sun
Sunshine averages 4.7h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 12°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
August12°C average high
August 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
August83mm average rain
August sits near Reykjavik's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August4.7 hours average sun
August is brighter than Reykjavik's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August12°C average sea
August 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
August21 weather score
August sits close to Reykjavik's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsApril to September
These months have the strongest weather score in the monthly averages.
