World Resorts USA Girdwood Weather

Girdwood sea water temperature

Current sea water temperature:
+38.3°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: 38.7°F

Sea water temperature for the last 10 days:

December 4 38.3°F November 29 39.6°F
December 3 39.2°F November 28 39.7°F
December 2 39.4°F November 27 39.7°F
December 1 39.4°F November 26 39.7°F
November 30 39.6°F November 25 39.7°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.

Best time for vacation in Girdwood

Sunniest months:
January 8 days
November 7 days
April 6 days
Warmest months:
July 60.4 °F
August 58.1 °F
June 57.5 °F
Warmest sea temp:
August 55.3 °F
July 54.8 °F
September 51.6 °F
Coldest months:
January 17.6 °F
December 17.8 °F
November 20.5 °F
Rainiest months:
September 7 days
August 5 days
October 5 days
Windiest months:
January 6.1 mph
December 5.9 mph
February 5.9 mph

Girdwood on a weather map

Girdwood
+28°F
E 2 mph
Feels like: +27°F
Precip.: 100%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+45°F
+55°F
+70°F
+77°F
+70°F
+23°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Girdwood
Local time: 21:09
December 05, friday
0000
30°F
E
2 mph
0300
30°F
E
3 mph
0600
27°F
SE
3 mph
0900
27°F
SE
4 mph
1200
27°F
SE
3 mph
1500
28°F
SE
2 mph
1800
25°F
S
4 mph
2100
25°F
S
3 mph
Units of measurement: °C / °F