Current sea water temperature:
+37.9°F
| Minimum sea water temperature in December: | 39.7°F |
| Maximum sea water temperature in December: | 37.6°F |
| Average sea water temperature in December: | 38.6°F |
| more information | |
14 days
forecast
forecast
| Girdwood |
monthly
weather
weather
| Girdwood |
Sea water temperature for the last 10 days:
| December 24 | 37.9°F | December 19 | 37.9°F |
| December 23 | 37.9°F | December 18 | 37.9°F |
| December 22 | 37.9°F | December 17 | 37.9°F |
| December 21 | 37.9°F | December 16 | 37.9°F |
| December 20 | 37.9°F | December 15 | 37.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Girdwood?
Based on the data about daily sea water temperature for the last three years the warmest sea in Girdwood was noticed in August, July and September.
Monthly Sea Temperatures in Girdwood, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 52.8°F. The highest and lowest sea temperatures during the month were 55.9°F and 50.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 54.9°F. The highest and lowest sea temperatures during the month were 56.8°F and 52.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 51.4°F. The highest and lowest sea temperatures during the month were 53.6°F and 49.5°F.
current
weather
weather
| Girdwood |
weather in
December
December
| Girdwood |
Best time for vacation in Girdwood
Girdwood on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Girdwood
Local time: 03:59
December 24, wednesday
0600
5°F
S
4 mph
4 mph
0900
7°F
S
4 mph
4 mph
1200
7°F
S
3 mph
3 mph
1500
7°F
SE
5 mph
5 mph
1800
7°F
SE
6 mph
6 mph
2100
5°F
SE
7 mph
7 mph
December 25, thursday
0000
9°F
SE
7 mph
7 mph
0300
5°F
SE
8 mph
8 mph
