World Resorts USA Juneau Weather

Juneau weather in December

Weather in Juneau: December

Average day temperature: 29.6°F
Average night temperature: 28.6°F
Sea water temperature: 40.6°F
Number of sunny days: 3 days
Day length: 6.4 - 6.9 hours
Number of days with precipitation: 11 days
Precipitation totals: 5.0 in.

Air temperature in December, °F

Show year:
2023
2022
2021

The highest day temperature during December of 2023 was 38°F. At the same time the lowest night temperature was 11°F. Day and night temperature averages during December were 30.5°F and 28.2°F.

Sea water temperature in Juneau in December, °F

Show year:
2023
2022
2021

The average sea water temperature in December of 2023 was 41.4°F. The highest and lowest sea temperatures during the month were 42.4°F and 40.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in December are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in December, in.

Precipitation total value in Juneau in December is 5.0 in. Other months of the year show relatively similar values.

Wind speed in December, mph

The average wind speed value in December is 7.2 mph It makes December one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 1.8.

Best time for vacation in Juneau

Sunniest months:
May 7 days
July 6 days
March 6 days
Warmest months:
July 57.9 °F
August 57.5 °F
June 55.3 °F
Warmest sea temp:
July 56.7 °F
August 56.1 °F
June 52.1 °F
Coldest months:
January 28.9 °F
December 29.6 °F
February 31.2 °F
Rainiest months:
October 12 days
November 9 days
September 9 days
Windiest months:
November 7.6 mph
January 7.3 mph
December 7.2 mph

Juneau on a weather map

Juneau
+7°F
SW 9 mph
Feels like: -6°F
Precip.: 0%
Places in USA:
Name
°F
+48°F
+52°F
+75°F
+75°F
+59°F
+72°F
+82°F
+70°F
+48°F
+63°F
+57°F
+73°F
+72°F
+72°F
+36°F
24 Hours Forecast
Juneau
Local time: 10:49
November 21, thursday
1200
7°F
SW
9 mph
1500
7°F
SW
9 mph
1800
5°F
SW
9 mph
2100
7°F
SW
8 mph
November 22, friday
0000
7°F
SW
8 mph
0300
9°F
SW
7 mph
0600
9°F
SW
9 mph
0900
10°F
SW
9 mph
Units of measurement: °C / °F