Cool
Average highs are around 13°C, so pack for cooler days.
May verdict
Uusikaupunki, Finland in May
Weather score36Poor
Poor for holiday weather
Average highs are around 13°C, so pack for cooler days. Sunshine averages 7.6h per day, enough for a balanced month. Rainfall averages 30mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
13°C
Rain
30mm
Sun
7.6h
Sea
5°C
Weather score
36
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 30mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 5°C, so the water can feel cool.
Map
Weather map
Compare Uusikaupunki, 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
May30mm average rain
May is one of Uusikaupunki's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to June and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May7.6 hours average sun
May is brighter than Uusikaupunki'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
May5°C average sea
May is below Uusikaupunki's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 16°C in this stretch, so swimming comfort is at its strongest.
Weather score
May36 weather score
May sits close to Uusikaupunki's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
