Current sea water temperature:
+41.7°F
| Minimum sea water temperature in December: | 42.4°F |
| Maximum sea water temperature in December: | 37.9°F |
| Average sea water temperature in December: | 40.5°F |
| more information | |
14 days
forecast
forecast
| Juneau |
monthly
weather
weather
| Juneau |
Sea water temperature for the last 10 days:
| December 4 | 41.7°F | November 29 | 41.5°F |
| December 3 | 41.5°F | November 28 | 41.4°F |
| December 2 | 41.4°F | November 27 | 41.5°F |
| December 1 | 41.2°F | November 26 | 41.7°F |
| November 30 | 41.0°F | November 25 | 42.3°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
December
December
| Juneau |
Best time for vacation in Juneau
Juneau on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Juneau
Local time: 19:09
December 04, thursday
2100
36°F
NW
3 mph
3 mph
December 05, friday
0000
34°F
NW
2 mph
2 mph
0300
32°F
NW
2 mph
2 mph
0600
32°F
NW
2 mph
2 mph
0900
32°F
W
2 mph
2 mph
1200
32°F
SW
1 mph
1 mph
1500
32°F
N
1 mph
1 mph
1800
34°F
N
2 mph
2 mph
