Cool
Average highs are around 1°C, so pack for cooler days.
December verdict
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 263mm, so showers are a real planning factor.
Monthly averages
Temp
1°C
Rain
263mm
Sun
1.2h
Weather score
3
Poor
Cool
Average highs are around 1°C, so pack for cooler days.
Wet
Rainfall averages 263mm, so showers are a real planning factor.
Limited sun
Sunshine averages 1.2h per day, so this is not one of the brighter months.
Map
Compare Petersburg (Alaska), United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
December1°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.
December263mm average rain
December sits near Petersburg (Alaska)'s yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsFebruary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
December1.2 hours average sun
December is one of Petersburg (Alaska)'s cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
December3 weather score
December is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsMay to August
These months have the strongest weather score in the monthly averages.