Measurements:
°C
°F
Kihei
80°F
W 6 mph
Feels like: 84°F
Precip: 7%
World Resorts USA Kihei Weather

Kihei Sea Water Temperature

Current Sea Water Temperature:
+83.4°F
Maximum Sea Water Temperature in July: 84.2°F
Minimum Sea Water Temperature in July: 81.8°F
Average water temperature in July: 82.9°F

Sea Water Temperature for the Last 10 Days:

July 15 83.4°F July 10 83.0°F
July 14 83.0°F July 09 83.0°F
July 13 83.4°F July 08 83.0°F
July 12 83.0°F July 07 83.4°F
July 11 83.2°F July 06 83.4°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:
September 12 days
August 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
March 11 mph

Kihei on the Weather Map

USA Resorts:
NAME
Boston +92
Chicago +86
Hawaii +80
Houston +80
Las Vegas +120
Los Angeles +106
Maui +76
Miami +96
Myrtle Beach +96
New York +110
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Kihei
Local time: 09:11
15 jul, wednesday
1200 82°F
SW
9 mph
1500 80°F
W
9 mph
1800 80°F
SW
11 mph
2100 80°F
W
9 mph
16 jul, thursday
0000 78°F
W
8 mph
0300 78°F
W
7 mph
0600 78°F
W
7 mph
0900 80°F
W
9 mph