Best year time to visit Juneau City and Borough

General weather information about Juneau City and Borough

Average annual temperature is 6.6 °C

Absolute maximum temperature: 27.0 °C

Absolute minimum temperature: -12.9 °C

Number of sunny days: 80 days

Number of rainy days: 225 days

Number of snow days: 60 days

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

Juneau City and Borough air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)7.13.37.714.723.824.227.026.822.215.89.47.0
Average daytime temperature (°C)3.10.51.36.812.716.521.019.513.69.44.83.0
Average temperature (°C)1.6-1.6-1.63.88.712.616.415.911.17.02.91.4
Average night temperature (°C)0.1-3.4-4.21.75.69.812.813.39.55.21.1-0.6
Absolute minimum temperature (°C)-5.7-12.9-12.6-2.7-0.84.97.79.95.5-4.8-8.4-8.6

Juneau City and Borough monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)8.010.013.015.017.018.018.016.014.011.08.06.0
Daylight mean duration (h)7.29.411.814.416.818.117.515.312.810.37.96.5
Daylight minimum duration (h)6.08.010.013.015.017.016.014.011.09.06.06.0
Sunshine mean duration (h)1.33.26.45.47.87.111.78.83.23.21.30.4
Precipitation (mm)34425815622825620470232524434399552
Sunny days461239516111931
Rainy days1647232225152029222319
Snow days1118124000000411

Juneau City and Borough - weather forecast by months

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

Best time to visit Juneau City and Borough:

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

  • March — 6.4(h)
  • May — 7.8(h)
  • June — 7.1(h)
  • July — 11.7(h)
  • August — 8.8(h)

Months with the longest average daylight duration in Juneau City and Borough:

  • May — 16.8(h)
  • June — 18.1(h)
  • July — 17.5(h)

The largest precipitation sum in Juneau City and Borough is at

  • September — 524(mm)
  • October — 434(mm)
  • November — 399(mm)
  • December — 552(mm)

    • Weather forecast in the closest to Juneau City and Borough admin centers

    Weather forecast in the closest towns to Juneau City and Borough

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    Frequently asked questions

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