World Resorts USA Kahului Weather

Kahului sea water temperature

Current sea water temperature:
+76.3°F
Minimum sea water temperature in March: 77.7°F
Maximum sea water temperature in March: 73.6°F
Average sea water temperature in March: 75.6°F

Sea water temperature for the last 10 days:

March 18 76.3°F March 13 75.9°F
March 17 75.9°F March 12 75.9°F
March 16 75.9°F March 11 75.4°F
March 15 75.9°F March 10 75.7°F
March 14 75.9°F March 9 75.6°F

When is the warmest sea in Kahului?

Based on the data about daily sea water temperature for the last three years the warmest sea in Kahului was noticed in September, October and August.

Monthly Sea Temperatures in Kahului, °F

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 80.2°F. The highest and lowest sea temperatures during the month were 80.8°F and 79.7°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 80.1°F. The highest and lowest sea temperatures during the month were 81.1°F and 79.3°F.

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 79.9°F. The highest and lowest sea temperatures during the month were 80.4°F and 79.3°F.

Best time for vacation in Kahului

Sunniest months:
January 19 days
June 19 days
July 19 days
Warmest months:
September 82.6 °F
August 82.5 °F
July 82.1 °F
Warmest sea temp:
September 80.2 °F
October 80.1 °F
August 79.6 °F
Coldest months:
February 75.9 °F
January 76.3 °F
March 76.5 °F
Rainiest months:
March 2 days
February 2 days
August 1 day
Windiest months:
July 13.0 mph
June 12.9 mph
November 12.3 mph

Kahului on a weather map

Kahului
+73°F
SW 5 mph
Feels like: +77°F
Precip.: 100%
Places in USA:
Name
°F
+32°F
+75°F
+75°F
+79°F
+70°F
+66°F
+70°F
+70°F
+32°F
+63°F
+59°F
+57°F
+54°F
+61°F
+36°F
24 Hours Forecast
Kahului
Local time: 16:43
March 18, wednesday
1800
73°F
SW
5 mph
2100
73°F
SW
7 mph
March 19, thursday
0000
73°F
W
4 mph
0300
73°F
NW
3 mph
0600
73°F
NW
3 mph
0900
75°F
NW
4 mph
1200
75°F
NW
7 mph
1500
75°F
NW
6 mph
Units of measurement: °C / °F