Spring (March–May): Average 73–74°F, mild and comfortable climate, moderate rainfall. Common activities: Hiking, whale watching (seasonal), visiting Volcanoes National Park. Recommended clothing: Light long-sleeved shirts, light jacket, comfortable shoes.
Summer (June–August): Average 75–77°F, hot and humid, relatively low rainfall. Common activities: Swimming, surfing, sunbathing, exploring rainforests. Recommended clothing: Light and breathable clothing, shorts, sun hat, sunscreen.
Autumn (September–November): Average 77–74°F, pleasant climate, rainfall ranging from low to moderate. Common activities: Hiking, watching sunsets, visiting coffee plantations. Recommended clothing: Light long-sleeved shirts, light jacket, comfortable shoes.
Winter (December–February): Average 72–73°F, mild climate, but higher rainfall, especially in February. Common activities: Visiting museums, exploring local culture, enjoying local cuisine. Recommended clothing: Light jacket, long pants, rain gear.
Hilo climatological average
Annual average temperature: approx. 74.8°F / Annual rainfall: approx. 2510 mm / Summer humidity: 75%–85% / Rainiest month: February
Hilo monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
73.2°F
55.3
February
72.1°F
426.7
March
73.8°F
233.3
April
73.6°F
323.3
May
74.5°F
236
June
75.7°F
133
July
77°F
129
August
76.6°F
187
September
77.2°F
144.7
October
77°F
139.7
November
74.5°F
346.3
December
73.2°F
156.3
Hilo weather for the next seven days
10/27
Monday
Patchy rain nearby
75°F/69.4°F
10/28
Tuesday
Patchy rain nearby
75.8°F/71.7°F
10/29
Wednesday
Patchy rain nearby
76.3°F/70.5°F
10/30
Thursday
Patchy rain nearby
75.6°F/70.7°F
10/31
Friday
Patchy rain nearby
74.6°F/69.4°F
11/1
Saturday
Patchy rain nearby
73.3°F/68.2°F
11/2
Sunday
Patchy rain nearby
74.2°F/69.4°F
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