Cool
Average highs are around -1°C, so pack for cooler days.
December verdict
Juneau, Alaska, United States in December
Weather score12Poor
Poor for holiday weather
Average highs are around -1°C, so pack for cooler days. Sunshine averages 1.2h per day, so this is not one of the brighter months. Rainfall averages 155mm, so some wet days are possible.
December weather
Monthly averages
Temp
-1°C
Rain
155mm
Sun
1.2h
Weather score
12
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 155mm, so some wet days are possible.
Limited sun
Sunshine averages 1.2h per day, so this is not one of the brighter months.
Map
Weather map
Compare Juneau, Alaska, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
December-1°C average high
December has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
December155mm average rain
December sits near Juneau'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
December1.2 hours average sun
December is one of Juneau's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Weather score
December12 weather score
December scores below Juneau's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsApril to July
These months have the strongest weather score in the monthly averages.
