Measurements:
°C
°F
Hawaii
78°F
NE 3 mph
Feels like: 82°F
Precip: 100%
World Resorts USA Hawaii Weather

Hawaii Sea Water Temperature

Current Sea Water Temperature:
+81.4°F
Maximum Sea Water Temperature in December: 83.6°F
Minimum Sea Water Temperature in December: 77.6°F
Average water temperature in December: 80.7°F

Sea Water Temperature for the Last 10 Days:

December 21 81.4°F December 16 81.0°F
December 20 81.2°F December 15 81.0°F
December 19 81.2°F December 14 81.2°F
December 18 81.0°F December 13 81.2°F
December 17 81.2°F December 12 81.4°F

When is the Warmest Sea for Hawaii?

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

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2024 2023 2022

The average sea surface temperature in September 2024 for Hawaii was 84.2°F. The maximum and minimum values were 83.8°F and 85.0°F respectively.

Sea Water Temperature in October

Select Year: 2024 2023 2022

The average sea surface temperature in October 2024 for Hawaii was 83.8°F. The maximum and minimum values were 82.8°F and 84.4°F respectively.

Sea Water Temperature in August

Select Year: 2024 2023 2022

The average sea surface temperature in August 2024 for Hawaii was 83.1°F. The maximum and minimum values were 82.6°F and 83.6°F respectively.

Best Time to Visit Hawaii
The most sunny months:
January 16 days
August 16 days
July 15 days
The most warm months:
August 87.1 °F
September 86.8 °F
July 86.2 °F
Warmest sea temperature:
September 84.2 °F
October 84.0 °F
August 83.5 °F
The most cold months:
February 79.1 °F
March 79.2 °F
January 79.6 °F
The most rainy months:
March 3 days
February 3 days
November 2 days
The most windy months:
July 17 mph
August 16 mph
June 16 mph

Hawaii on the Weather Map

USA Resorts:
NAME
Boston +16
Chicago +20
Hawaii +78
Honolulu +78
Houston +54
Las Vegas +56
Los Angeles +56
Miami +66
New York +18
Orlando +52
San Diego +54
San Francisco +54
Sarasota +54
Tampa +50
Washington +22
24 Hours Weather Forecast
Hawaii
Local time: 17:45
21 dec, saturday
1800 78°F
NE
3 mph
2100 78°F
NE
2 mph
22 dec, sunday
0000 78°F
E
1 mph
0300 78°F
NE
2 mph
0600 78°F
E
1 mph
0900 78°F
S
2 mph
1200 80°F
W
4 mph
1500 78°F
W
6 mph

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