Measurements:
°C
°F
Kihei
78°F
W 9 mph
Feels like: 84°F
Precip: 27%
World Resorts USA Kihei Weather

Kihei Sea Water Temperature

Current Sea Water Temperature:
+84.6°F
Maximum Sea Water Temperature in September: 85.2°F
Minimum Sea Water Temperature in September: 82.6°F
Average water temperature in September: 84.0°F

Sea Water Temperature for the Last 10 Days:

September 15 84.6°F September 10 83.8°F
September 14 84.8°F September 09 84.0°F
September 13 84.4°F September 08 84.2°F
September 12 84.8°F September 07 84.2°F
September 11 84.2°F September 06 84.0°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 September, October and August.

Average Water Temperature by Month, °F

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Kihei was 84.3°F. The maximum and minimum values were 83.8°F and 84.8°F respectively.

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 August

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Kihei was 84.4°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
December 10 days
August 10 days
The most warm months:
August 83.5 °F
July 83.5 °F
September 82.9 °F
Warmest sea temperature:
October 84.0 °F
September 83.9 °F
August 83.8 °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
August 11 mph
February 11 mph

Kihei on the Weather Map

USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +70
Sarasota +86
Washington +66
24 Hours Weather Forecast
Kihei
Local time: 04:33
15 sep, tuesday
0600 78°F
W
9 mph
0900 80°F
W
12 mph
1200 82°F
SW
19 mph
1500 82°F
SW
19 mph
1800 80°F
W
17 mph
2100 80°F
W
16 mph
16 sep, wednesday
0000 80°F
W
15 mph
0300 80°F
W
12 mph