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

Number of rainy days: 144

Number of snow days: 29

Average annual precipitation: 886 mm

Look at detailed online map of Juneau

* Weather data for Juneau United States is based on climate observations for 2023 year

Juneau air temperature forecast for each month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Absolute maximum temperature (°C) 7.1 10.2 15 25.8 31.1 32.2 33.1 35.2 33.2 28.5 17.6 12.4
Average daytime temperature (°C) 0.6 1.9 5.1 14 21.9 27.1 28.3 26.7 23.8 15.4 7.5 5.1
Average temperature (°C) -3 -3.4 0 8 14.8 20.6 22.5 21.3 18.6 11.6 3 1.4
Average night temperature (°C) -5.6 -7.7 -4.3 2.9 8.9 14.7 17.2 16.9 14.7 7.7 -0.6 -1.1
Absolute minimum temperature (°C) -28.2 -23.9 -16 -4.2 -0.3 6.4 12.9 9.3 7.9 -2.8 -12.5 -8.2

Juneau monthly weather indicators

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight maximum duration (h) 9.9 11.1 12.7 14.1 15.2 15.4 15.4 14.6 13.2 11.8 10.3 9.2
Daylight mean duration (h) 9.4 10.5 11.9 13.4 14.7 15.4 15 13.9 12.5 11 9.7 9
Daylight minimum duration (h) 9 9.9 11.2 12.7 14.1 15.2 14.6 13.3 11.8 10.3 9.2 9
Sunshine mean duration (h) 5.3 7.8 6.7 8.2 11.1 12.5 12.6 11.3 8.8 7.5 6.9 5.2
Precipitation (mm) 43 73 82 137 44 52 74 141 65 94 41 41
Sunny days 12 16 11 16 19 24 12 15 14 15 22 16
Rainy days 10 8 12 13 12 6 19 16 16 14 6 12
Snow days 9 4 8 1 2 2 3

Juneau - weather forecast by months

January February March April May June July August September October November December

Best time to visit Juneau:

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

  • 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 — 141(mm)
  • October — 94(mm)

Weather forecast in the closest to Juneau admin centers