Measurements:
°C
°F
CURRENT WEATHER
06:54
Kahului
80°F
W 9 mph
Feels like: 84°F
Precip: 22%
World Resorts USA Kahului Weather

7 Day Weather Forecast

08.05
wed
DAY
84°F
SW 9 mph
precip
16%
NIGHT
80°F
W 7 mph
precip
10%
08.06
thu
DAY
82°F
W 11 mph
precip
18%
NIGHT
78°F
W 10 mph
precip
19%
08.07
fri
DAY
84°F
W 11 mph
precip
13%
NIGHT
80°F
W 12 mph
precip
19%
08.08
sat
DAY
84°F
W 12 mph
precip
15%
NIGHT
80°F
W 14 mph
precip
25%
08.09
sun
DAY
84°F
W 14 mph
precip
49%
NIGHT
80°F
W 14 mph
precip
28%
08.10
mon
DAY
84°F
W 11 mph
precip
18%
NIGHT
80°F
W 11 mph
precip
19%
08.11
tue
DAY
84°F
W 12 mph
precip
9%
NIGHT
80°F
W 11 mph
precip
18%

Kahului Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Kahului was 26.6°F. The maximum and minimum values were 26.3°F and 26.9°F respectively.

Kahului on the Weather Map

Best Time to Visit Kahului
The most sunny months:
January 19 days
September 19 days
June 18 days
The most warm months:
September 86.2 °F
August 86.1 °F
July 85.4 °F
Warmest sea temperature:
September 83.5 °F
October 83.5 °F
August 82.9 °F
The most cold months:
February 78.8 °F
January 79.2 °F
March 79.3 °F
The most rainy months:
March 2 days
February 2 days
August 1 day
The most windy months:
July 12 mph
June 12 mph
November 12 mph
more details