Cool
Average highs are around 6°C, so pack for cooler days.
May verdict
Unalaska, United States in May
Weather score30Poor
Poor for holiday weather
Average highs are around 6°C, so pack for cooler days. Sunshine averages 7.8h per day, enough for a balanced month. Rainfall averages 54mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
6°C
Rain
54mm
Sun
7.8h
Sea
5°C
Weather score
30
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 54mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.8h per day, enough for a balanced month.
Cool sea
Sea temperatures average 5°C, so the water can feel cool.
Map
Weather map
Compare Unalaska, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May6°C average high
May is close to Unalaska's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
May54mm average rain
May is one of Unalaska's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May7.8 hours average sun
May is one of Unalaska's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsMarch to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May5°C average sea
May is below Unalaska's yearly sea-temperature average, so swimming can feel fresher.
Warmest seaJuly to September
Sea temperatures are usually near 9°C in this stretch, so swimming comfort is at its strongest.
Weather score
May30 weather score
May is one of Unalaska's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsFebruary to September
These months have the strongest weather score in the monthly averages.