Measurements:
°C
°F
CURRENT WEATHER
23:18
Kahului
76°F
N 10 mph
Feels like: 80°F
Precip: 100%
World Resorts USA Kahului Weather

7 Day Weather Forecast

12.17
wed
DAY
82°F
N 14 mph
precip
100%
NIGHT
76°F
N 10 mph
precip
100%
12.18
thu
DAY
82°F
N 4 mph
precip
0%
NIGHT
76°F
N 5 mph
precip
80%
12.19
fri
DAY
80°F
N 1 mph
precip
0%
NIGHT
76°F
SW 2 mph
precip
0%
12.20
sat
DAY
82°F
W 2 mph
precip
64%
NIGHT
76°F
W 5 mph
precip
85%
12.21
sun
DAY
80°F
SW 9 mph
precip
0%
NIGHT
74°F
W 11 mph
precip
0%
12.22
mon
DAY
80°F
SW 10 mph
precip
76%
NIGHT
74°F
W 11 mph
precip
77%
12.23
tue
DAY
78°F
W 15 mph
precip
100%
NIGHT
74°F
SW 18 mph
precip
100%

Kahului Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Kahului was 25.8°F. The maximum and minimum values were 25.7°F and 26.0°F respectively.

Kahului on the Weather Map

Best Time to Visit Kahului
The most sunny months:
January 19 days
June 19 days
July 19 days
The most warm months:
September 86.2 °F
August 86.1 °F
July 85.6 °F
Warmest sea temperature:
September 83.5 °F
October 83.5 °F
August 82.9 °F
The most cold months:
February 79.0 °F
January 79.3 °F
March 79.4 °F
The most rainy months:
March 2 days
August 1 day
January 1 day
The most windy months:
July 12 mph
June 12 mph
November 12 mph
more details