Measurements:
°C
°F
Kenai
32°F
SW 7 mph
Feels like: 24°F
Precip: 75%
World Resorts USA Kenai Weather

Kenai Sea Water Temperature

Current Sea Water Temperature:
+38.0°F
Maximum Sea Water Temperature in December: 38.6°F
Minimum Sea Water Temperature in December: 31.0°F
Average water temperature in December: 34.3°F

Sea Water Temperature for the Last 10 Days:

December 04 38.0°F November 29 38.8°F
December 03 38.2°F November 28 39.0°F
December 02 38.4°F November 27 39.2°F
December 01 38.6°F November 26 39.4°F
November 30 38.8°F November 25 39.6°F

When is the Warmest Sea for Kenai?

According to our data for the last three years for Kenai 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 Kenai was 57.5°F. The maximum and minimum values were 55.6°F and 59.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Kenai was 55.2°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 Kenai was 54.6°F. The maximum and minimum values were 52.0°F and 56.6°F respectively.

Best Time to Visit Kenai
The most sunny months:
January 8 days
June 7 days
August 7 days
The most warm months:
July 58.9 °F
August 58.4 °F
June 55.2 °F
Warmest sea temperature:
August 56.7 °F
July 54.6 °F
September 53.8 °F
The most cold months:
January 16.3 °F
December 18.7 °F
February 19.5 °F
The most rainy months:
August 3 days
September 3 days
July 2 days
The most windy months:
January 9 mph
December 9 mph
November 9 mph

Kenai on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Kenai
Local time: 21:41
05 dec, friday
0000 30°F
SW
7 mph
0300 30°F
SW
7 mph
0600 28°F
SW
7 mph
0900 26°F
SW
8 mph
1200 24°F
SW
9 mph
1500 22°F
SW
9 mph
1800 20°F
SW
10 mph
2100 20°F
SW
13 mph