Cool
Average highs are around 17°C, so pack for cooler days.
Weather Guide
Petersburg (Alaska), United States Average Monthly Weather
Weather score16Poor annual avg
Best months: July, June, May
Across the year, average daytime temperatures are around 8°C, sunshine averages 3.8h per day, and rainfall totals about 2580mm.
Annual weather
Annual averages
Temp
8°C
Rain
2580mm
Annual total
Sun
3.8h
Weather score
16
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 140mm, so some wet days are possible.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Map
Weather map
Compare Petersburg (Alaska), United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July17°C average high
July is one of Petersburg (Alaska)'s hottest months, so shade and slower afternoons matter.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July140mm average rain
July is one of Petersburg (Alaska)'s driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsFebruary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July5.4 hours average sun
July is brighter than Petersburg (Alaska)'s yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Weather score
July31 weather score
July is one of Petersburg (Alaska)'s best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsMay to August
These months have the strongest weather score in the monthly averages.
