Current sea water temperature:
+37.9°F
| Minimum sea water temperature in January: | 41.0°F |
| Maximum sea water temperature in January: | 37.4°F |
| Average sea water temperature in January: | 39.1°F |
| more information | |
14 days
forecast
forecast
| Juneau |
monthly
weather
weather
| Juneau |
Sea water temperature for the last 10 days:
| January 6 | 37.9°F | January 1 | 39.0°F |
| January 5 | 37.8°F | December 31 | 38.8°F |
| January 4 | 38.3°F | December 30 | 38.8°F |
| January 3 | 38.3°F | December 29 | 38.7°F |
| January 2 | 39.2°F | December 28 | 38.7°F |
Monthly sea water temperature, °F
When is the warmest sea in Juneau?
Based on the data about daily sea water temperature for the last three years the warmest sea in Juneau was noticed in July, August and September.
Monthly Sea Temperatures in Juneau, °F
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 54.3°F. The highest and lowest sea temperatures during the month were 56.5°F and 52.3°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 56.0°F. The highest and lowest sea temperatures during the month were 57.9°F and 54.3°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 53.4°F. The highest and lowest sea temperatures during the month were 58.3°F and 49.3°F.
current
weather
weather
| Juneau |
weather in
January
January
| Juneau |
Best time for vacation in Juneau
Juneau on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Juneau
Local time: 11:31
January 06, tuesday
1200

30°F
N
9 mph
9 mph
1500

30°F
N
9 mph
9 mph
1800

32°F
N
9 mph
9 mph
2100

30°F
N
7 mph
7 mph
January 07, wednesday
0000

30°F
N
7 mph
7 mph
0300

28°F
NW
7 mph
7 mph
0600

28°F
NW
6 mph
6 mph
0900

28°F
NW
5 mph
5 mph




























