Measurements:
°C
°F
Kihei
74°F
W 11 mph
Feels like: 80°F
Precip: 100%
World Resorts USA Kihei Weather

Kihei Sea Water Temperature

Current Sea Water Temperature:
+81.2°F
Maximum Sea Water Temperature in May: 82.4°F
Minimum Sea Water Temperature in May: 79.4°F
Average water temperature in May: 80.8°F

Sea Water Temperature for the Last 10 Days:

May 14 81.2°F May 09 81.2°F
May 13 81.0°F May 08 81.4°F
May 12 81.0°F May 07 81.6°F
May 11 80.8°F May 06 80.8°F
May 10 81.0°F May 05 81.0°F

When is the Warmest Sea for Kihei?

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

Average Water Temperature by Month, °F

Sea Water Temperature in October

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Kihei was 84.2°F. The maximum and minimum values were 82.8°F and 85.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Kihei was 84.5°F. The maximum and minimum values were 83.8°F and 85.2°F respectively.

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Kihei was 84.6°F. The maximum and minimum values were 83.8°F and 85.2°F respectively.

Best Time to Visit Kihei
The most sunny months:
August 12 days
September 12 days
July 11 days
The most warm months:
August 83.8 °F
July 83.6 °F
September 82.9 °F
Warmest sea temperature:
October 84.0 °F
September 83.9 °F
August 83.7 °F
The most cold months:
February 77.0 °F
March 77.2 °F
January 77.8 °F
The most rainy months:
March 1 day
February 1 day
April 1 day
The most windy months:
July 12 mph
February 11 mph
June 11 mph

Kihei on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +56
Hawaii +76
Honolulu +76
Houston +94
Las Vegas +88
Los Angeles +66
Maui +70
Miami +94
Miami Beach +90
New York +68
San Diego +66
San Francisco +62
Sarasota +94
Tampa +94
24 Hours Weather Forecast
Kihei
Local time: 06:14
14 may, thursday
0900 78°F
SW
11 mph
1200 80°F
SW
10 mph
1500 80°F
W
9 mph
1800 78°F
W
10 mph
2100 78°F
W
11 mph
15 may, friday
0000 76°F
W
9 mph
0300 76°F
W
6 mph
0600 76°F
W
8 mph