Cool
Average highs are around 11°C, so pack for cooler days.
May verdict
Kvarken Archipelago, Finland in May
Weather score34Poor
Poor for holiday weather
Average highs are around 11°C, so pack for cooler days. Sunshine averages 7.1h per day, enough for a balanced month. Rainfall averages 32mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
11°C
Rain
32mm
Sun
7.1h
Sea
4°C
Weather score
34
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 32mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.1h per day, enough for a balanced month.
Cool sea
Sea temperatures average 4°C, so the water can feel cool.
Map
Weather map
Compare Kvarken Archipelago, Finland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May11°C average high
May is close to Kvarken Archipelago'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
May32mm average rain
May sits on the drier side of Kvarken Archipelago's year, which helps with sightseeing and transfers.
Driest monthsJanuary to July and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May7.1 hours average sun
May is brighter than Kvarken Archipelago's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to July
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May4°C average sea
May is below Kvarken Archipelago's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 15°C in this stretch, so swimming comfort is at its strongest.
Weather score
May34 weather score
May sits close to Kvarken Archipelago'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.
