Cool
Average highs are around 13°C, so pack for cooler days.
May verdict
Koli National Park, Finland in May
Weather score40Mixed
Mixed for holiday weather
Average highs are around 13°C, so pack for cooler days. Sunshine averages 8h per day, so bright days are a strong part of the month. Rainfall averages 40mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
13°C
Rain
40mm
Sun
8h
Weather score
40
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 40mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Koli National Park, Finland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May13°C average high
May 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
May40mm average rain
May sits on the drier side of Koli National Park's year, which helps with sightseeing and transfers.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May8 hours average sun
May is one of Koli National Park's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMay to July
This stretch has the strongest sunshine in the monthly averages.
Weather score
May40 weather score
May sits close to Koli National Park'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.