TODAY DEC21
TEMPERATURE31
HUMIDITY
PRESSURE100170
WIND COND.
  • 4237Sun90%100%
  • 4336Mon100%100%
  • 4134Tue70%
  • 4135
  • 4035Thu
daynightWeather update from Juneau, Juneau International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Juneau for July is 56.4 degrees
  • The lowest monthly average temperature in Juneau for December is 29.2 degrees
  • The most monthly precipitation in Juneau occurs in September with 9.9 inches
  • The air quality index in Juneau is 52% better than the national average
  • The pollution index in Juneau is 66% better than the national average

Compare Juneau, AK Weather

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      Juneau Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January25°F35°F30°F7.2"
      February24°F37°F30°F3.9"
      March25°F40°F33°F3.4"
      April32°F50°F41°F3.7"
      May40°F60°F50°F3.4"
      June46°F64°F54°F4.0"
      July49°F65°F56°F5.8"
      August49°F64°F56°F6.9"
      September44°F57°F50°F9.9"
      October36°F49°F42°F8.5"
      November27°F38°F33°F6.8"
      December23°F35°F29°F5.6"

      Juneau air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexJuneauAlaskaNational
      Air quality index203042
      Pollution index926,82011,243,1942,726,193

      Juneau air quality

      MeasurementTotal
      Days measured362
      Days with good air quality308
      Days with moderate air quality51
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.070%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.030%
      Mercury0.030%

      Average monthly Juneau temperature with heat index

      Juneau monthly precipitation with daily maximum

      Juneau monthly snow depth with daily maximum

      Juneau monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Juneau, AK32,0992060.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Weatherford, TX32,1103334.0%
      Statesboro, GA32,1153922.0%
      Dania Beach, FL32,1254118.0%
      Goleta, CA32,1424412.0%
      Westlake, OH32,15450= 100
      Juneau, AK32,0992060.0%
      Source: The Juneau, AK weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.