Cool
Average highs are around 2°C, so pack for cooler days.
January verdict
Unalaska, United States in January
Weather score22Poor
Poor for holiday weather
Average highs are around 2°C, so pack for cooler days. Sunshine averages 5.3h per day, enough for a balanced month. Rainfall averages 77mm, which is relatively low for holiday planning.
January weather
Monthly averages
Temp
2°C
Rain
77mm
Sun
5.3h
Sea
5°C
Weather score
22
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 77mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.3h 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
January2°C average high
January has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJuly to September
This stretch sets the upper range for average daytime heat.
Rain
January77mm average rain
January sits near Unalaska's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to July
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
January5.3 hours average sun
January is below Unalaska's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMarch to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
January5°C average sea
January 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
January22 weather score
January scores below Unalaska's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsFebruary to September
These months have the strongest weather score in the monthly averages.