Current sea water temperature:
+45.3°F
| Minimum sea water temperature in May: | 52.0°F |
| Maximum sea water temperature in May: | 41.5°F |
| Average sea water temperature in May: | 45.9°F |
| more information | |
14 days
forecast
forecast
| Juneau |
monthly
weather
weather
| Juneau |
Sea water temperature for the last 10 days:
| May 19 | 45.3°F | May 14 | 44.6°F |
| May 18 | 45.5°F | May 13 | 43.0°F |
| May 17 | 45.1°F | May 12 | 43.3°F |
| May 16 | 45.0°F | May 11 | 43.7°F |
| May 15 | 44.6°F | May 10 | 43.7°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
May
May
| Juneau |
Best time for vacation in Juneau
Juneau on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Juneau
Local time: 04:30
May 19, tuesday
0600
39°F
N
4 mph
4 mph
0900
43°F
N
4 mph
4 mph
1200
45°F
N
3 mph
3 mph
1500
45°F
N
3 mph
3 mph
1800
45°F
NW
2 mph
2 mph
2100
43°F
NW
2 mph
2 mph
May 20, wednesday
0000
41°F
NW
4 mph
4 mph
0300
39°F
W
4 mph
4 mph
