30.12
tue
tue
Day
19°F
SW 6 mph
Precip.
100%
100%
Night
19°F
SW 8 mph
Precip.
100%
100%
31.12
wed
wed
Day
21°F
W 5 mph
Precip.
100%
100%
Night
21°F
SW 5 mph
Precip.
100%
100%
01.01
thu
thu
Day
12°F
SW 6 mph
Precip.
67%
67%
Night
1°F
SW 7 mph
Precip.
0%
0%
02.01
fri
fri
Day
1°F
SW 7 mph
Precip.
0%
0%
Night
-8°F
SW 9 mph
Precip.
0%
0%
03.01
sat
sat
Day
-2°F
SW 7 mph
Precip.
0%
0%
Night
-4°F
SW 8 mph
Precip.
0%
0%
04.01
sun
sun
Day
3°F
SW 6 mph
Precip.
52%
52%
Night
14°F
SW 4 mph
Precip.
100%
100%
05.01
mon
mon
Day
19°F
NW 3 mph
Precip.
100%
100%
Night
28°F
NW 11 mph
Precip.
100%
100%
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 40.4°F. The highest and lowest sea temperatures during the month were 41.9°F and 37.9°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 39.1°F. The highest and lowest sea temperatures during the month were 39.7°F and 38.5°F.
Air temperature in Juneau, °F
Precipitation total in Juneau, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Juneau
Juneau on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Juneau
Local time: 11:01
December 30, tuesday
1200
19°F
SW
6 mph
6 mph
1500
19°F
SW
7 mph
7 mph
1800
21°F
SW
7 mph
7 mph
2100
19°F
SW
7 mph
7 mph
December 31, wednesday
0000
19°F
SW
8 mph
8 mph
0300
21°F
W
6 mph
6 mph
0600
18°F
W
6 mph
6 mph
0900
21°F
W
6 mph
6 mph
