Measurements:
°C
°F
Kihei
74°F
SW 7 mph
Feels like: 80°F
Precip: 80%
World Resorts USA Kihei Weather

Kihei Sea Water Temperature

Current Sea Water Temperature:
+81.4°F
Maximum Sea Water Temperature in April: 82.0°F
Minimum Sea Water Temperature in April: 77.8°F
Average water temperature in April: 79.6°F

Sea Water Temperature for the Last 10 Days:

April 23 81.4°F April 18 80.2°F
April 22 80.8°F April 17 79.8°F
April 21 80.2°F April 16 80.0°F
April 20 80.0°F April 15 79.6°F
April 19 80.2°F April 14 79.4°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
January 1 day
The most windy months:
July 12 mph
February 11 mph
June 11 mph

Kihei on the Weather Map

USA Resorts:
NAME
Chicago +70
Hawaii +76
Honolulu +76
Houston +82
Las Vegas +68
Los Angeles +64
Maui +70
Miami +82
Miami Beach +82
New York +76
San Diego +66
San Francisco +58
Sarasota +88
Tampa +86
Washington +82
24 Hours Weather Forecast
Kihei
Local time: 06:10
23 apr, thursday
0900 78°F
SW
6 mph
1200 78°F
SW
7 mph
1500 78°F
SW
9 mph
1800 76°F
SW
12 mph
2100 74°F
SW
13 mph
24 apr, friday
0000 74°F
SW
12 mph
0300 72°F
SW
10 mph
0600 72°F
SW
12 mph