Best year time to visit Juneau

General weather information about Juneau

Average annual temperature is 9.7 °C

Absolute maximum temperature: 35.2 °C

Absolute minimum temperature: -28.2 °C

Number of sunny days: 192 days

Number of rainy days: 144 days

Number of snow days: 29 days

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* Weather data for Juneau United States is based on climate observations for 2026 year

Juneau air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.110.215.025.831.132.233.135.233.228.517.612.4
Average daytime temperature (°C)0.61.95.114.021.927.128.326.723.815.47.55.0
Average temperature (°C)-3.0-3.40.08.014.820.622.521.318.611.23.01.4
Average night temperature (°C)-5.6-7.7-4.32.98.914.717.216.914.77.7-0.5-1.1
Absolute minimum temperature (°C)-28.2-23.9-16.0-4.2-0.36.412.99.37.9-2.8-12.5-8.2

Juneau monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.410.511.913.414.715.415.013.912.511.09.79.0
Daylight minimum duration (h)9.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.66.76.77.910.712.512.611.38.86.76.74.1
Precipitation (mm)43728113743527414064934041
Sunny days121611161924121514152216
Rainy days108121312619161614612
Snow days948100000223

Juneau - weather forecast by months

Juneau weather in januaryJuneau weather in februaryJuneau weather in marchJuneau weather in aprilJuneau weather in mayJuneau weather in juneJuneau weather in julyJuneau weather in augustJuneau weather in septemberJuneau weather in octoberJuneau weather in novemberJuneau weather in december

Best time to visit Juneau:

The best time to visit Juneau during the most sunny months:

  • May — 10.7(h)
  • June — 12.5(h)
  • July — 12.6(h)
  • August — 11.3(h)

Months with the longest average daylight duration in Juneau:

  • June — 15.4(h)

The largest precipitation sum in Juneau is at

  • April — 137(mm)
  • August — 140(mm)
  • October — 93(mm)

    • Weather forecast in the closest to Juneau admin centers

    Weather forecast in the closest towns to Juneau

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    Frequently asked questions

    When is the best time to visit Juneau?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Juneau.
    What is the weather like in Juneau?
    See average temperature, rainfall and daylight hours for Juneau by month in the table above.
    How many sunny days does Juneau have?
    The monthly weather statistics above show sunshine and rainfall patterns for Juneau throughout the year.