Cool
Average highs are around 3°C, so pack for cooler days.
January verdict
Poor for holiday weather
Average highs are around 3°C, so pack for cooler days. Sunshine averages 6.6h per day, enough for a balanced month. Rainfall averages 144mm, so some wet days are possible.
Monthly averages
Temp
3°C
Rain
144mm
Sun
6.6h
Sea
4°C
Weather score
25
Poor
Cool
Average highs are around 3°C, so pack for cooler days.
Showers
Rainfall averages 144mm, so some wet days are possible.
Some sun
Sunshine averages 6.6h per day, enough for a balanced month.
Cool sea
Sea temperatures average 4°C, so the water can feel cool.
Map
Compare Adak, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
January3°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.
January144mm average rain
January sits near Adak's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary and April to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
January6.6 hours average sun
January sits close to Adak's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsFebruary to June and August
This stretch has the strongest sunshine in the monthly averages.
January4°C average sea
January is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaAugust to September
Sea temperatures are usually near 9°C in this stretch, so swimming comfort is at its strongest.
January25 weather score
January sits close to Adak's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJanuary to September
These months have the strongest weather score in the monthly averages.