Measurements:
°C
°F
Girdwood
64°F
SE 5 mph
Feels like: 64°F
Precip: 1%
World Resorts USA Girdwood Weather

Girdwood Sea Water Temperature

Current Sea Water Temperature:
+46.6°F
Maximum Sea Water Temperature in June: 57.2°F
Minimum Sea Water Temperature in June: 45.4°F
Average water temperature in June: 51.2°F

Sea Water Temperature for the Last 10 Days:

June 04 46.6°F May 29 45.2°F
June 03 45.8°F May 28 45.0°F
June 01 45.4°F May 27 44.6°F
May 31 45.8°F May 26 44.4°F
May 30 45.6°F May 25 43.4°F

When is the Warmest Sea for Girdwood?

According to our data for the last three years for Girdwood the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Girdwood was 53.1°F. The maximum and minimum values were 50.0°F and 56.6°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Girdwood was 55.4°F. The maximum and minimum values were 53.0°F and 57.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Girdwood was 51.6°F. The maximum and minimum values were 49.4°F and 54.0°F respectively.

Best Time to Visit Girdwood
The most sunny months:
January 7 days
November 7 days
December 7 days
The most warm months:
July 61.6 °F
August 59.0 °F
June 58.3 °F
Warmest sea temperature:
August 55.9 °F
July 55.4 °F
September 51.8 °F
The most cold months:
December 11.5 °F
January 14.0 °F
November 17.2 °F
The most rainy months:
September 7 days
October 5 days
August 5 days
The most windy months:
January 6 mph
February 6 mph
December 6 mph

Girdwood on the Weather Map

USA Resorts:
NAME
Boston +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +92
Los Angeles +70
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
24 Hours Weather Forecast
Girdwood
Local time: 08:54
04 jun, thursday
0900 64°F
SE
5 mph
1200 68°F
E
6 mph
1500 72°F
E
6 mph
1800 72°F
E
6 mph
2100 70°F
E
5 mph
05 jun, friday
0000 46°F
S
1 mph
0300 40°F
W
2 mph
0600 42°F
SW
2 mph