Cool
Average highs are around 14°C, so pack for cooler days.
May verdict
Mixed for holiday weather
Average highs are around 14°C, so pack for cooler days. Sunshine averages 8.2h per day, so bright days are a strong part of the month. Rainfall averages 35mm, which is relatively low for holiday planning.
Monthly averages
Temp
14°C
Rain
35mm
Sun
8.2h
Weather score
42
Mixed
Cool
Average highs are around 14°C, so pack for cooler days.
Drier
Rainfall averages 35mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.2h per day, so bright days are a strong part of the month.
Map
Compare Joensuu, Finland with nearby places by weather score, rain, sun, temperature, and swim conditions.
May14°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.
May35mm average rain
May sits on the drier side of Joensuu's year, which helps with sightseeing and transfers.
Driest monthsJanuary to June and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May8.2 hours average sun
May is one of Joensuu'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.
May42 weather score
May sits close to Joensuu'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.