Spring (March–May): Average 74–76°F, mild and dry climate, ideal for outdoor activities. Low rainfall, abundant sunshine. Common activities: snorkeling, surfing, whale watching (some months). Recommended clothing: light short-sleeved clothing, shorts, sandals; light jacket may be needed in the mornings and evenings.
Summer (June–August): Average 78–80°F, hot and dry, strong sunshine. Very little rainfall. Common activities: sunbathing, watersports, sightseeing on Maui. Recommended clothing: light and breathable clothing, hat, sunglasses, sunscreen.
Autumn (September–November): Average 79–77°F, comfortable and pleasant climate, dry with little rain. Daytime temperatures remain high, while nights are relatively cool. Common activities: hiking, cycling, enjoying sunsets. Recommended clothing: light long-sleeved clothing, trousers or skirts; light jacket may be needed in the mornings and evenings.
Winter (December–February): Average 72–74°F, relatively warm and humid, more rainfall than other seasons. Little temperature variation. Common activities: watching winter birds, exploring Maui's cultural attractions, enjoying beach activities (although water temperature is relatively low). Recommended clothing: light long-sleeved clothing, trousers or skirts; rain gear may be necessary.
Kahului climatological average
Annual average temperature: approx. 76.8°F / Annual rainfall: approx. 249 mm / Summer humidity: 60%–70% / Rainiest month: January
Kahului monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
72.9°F
84.3
February
72.3°F
15.7
March
74.3°F
21.7
April
75.7°F
26.3
May
76.8°F
8
June
78.8°F
1.7
July
79.9°F
6
August
80.2°F
10.3
September
80.6°F
5.3
October
79.2°F
7
November
77.4°F
19
December
74.7°F
43.7
Kahului weather for the next seven days
12/18
Thursday
Patchy rain nearby
78.9°F/72.7°F
12/19
Friday
Patchy rain nearby
77.6°F/73.2°F
12/20
Saturday
Patchy rain nearby
77.9°F/72.6°F
12/21
Sunday
Patchy rain nearby
77.6°F/72.1°F
12/22
Monday
Patchy rain nearby
77.8°F/71.2°F
12/23
Tuesday
Patchy rain nearby
74.5°F/70.6°F
12/24
Wednesday
Patchy rain nearby
75.2°F/69.4°F
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