Cool
Average highs are around 17°C, so pack for cooler days.
Weather Guide
Arctic Circle Average Monthly Weather
Weather score29Poor annual avg
Best months: July, June, May
Across the year, average daytime temperatures are around 4°C, sunshine averages 3.5h per day, and rainfall totals about 525mm. Sea temperatures average 0°C across the year.
Annual weather
Annual averages
Temp
4°C
Rain
525mm
Annual total
Sun
3.5h
Sea
0°C
Weather score
29
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 69mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 0°C, so the water can feel cool.
Map
Weather map
Compare Arctic Circle with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August17°C average high
August sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to August
This stretch sets the upper range for average daytime heat.
Rain
August69mm average rain
August is one of Arctic Circle's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to June and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August5.4 hours average sun
August sits close to Arctic Circle's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August0°C average sea
August is close to Arctic Circle's usual sea temperature, with limited seasonal change in the water.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
August34 weather score
August sits close to Arctic Circle's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to July
These months have the strongest weather score in the monthly averages.