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Big Island of Hawaii

Big Island of Hawaii 1
Travel Info
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Travel Info

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Big Island of Hawaii Weather, Climate and Best Time to Visit

Data source：Meteostat
Update date：2025-09

Big Island of Hawaii year round climate

  • Spring (March–May): Average 45–63°F, mild climate but with a large temperature difference between morning and evening, moderate rainfall. Common activities: Hiking, whale watching (seasonal), visiting Volcanoes National Park. Recommended clothing: Light jacket, long-sleeved shirt, comfortable shoes.
  • Summer (June–August): Average 72–79°F, hot and relatively dry climate, but sun protection is still necessary. Common activities: Beach activities, water sports, stargazing. Recommended clothing: Light short-sleeved clothing, swimwear, sun hat.
  • Autumn (September–November): Average 48–68°F, comfortable and pleasant climate, rainfall gradually decreases. Common activities: Sightseeing, enjoying local cuisine, visiting coffee farms. Recommended clothing: Comfortable and breathable clothing, a light jacket for mornings and evenings.
  • Winter (December–February): Average 35–39°F, cold climate, higher rainfall. Common activities: Whale watching (seasonal), indoor activities. Recommended clothing: Warm coat, sweater, scarf, hat.

Big Island of Hawaii climatological average

Annual average temperature: approx. 56.8°F / Annual rainfall: approx. 1317 mm / Summer humidity: 65%–75% / Rainiest month: December

Big Island of Hawaii monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
36°F
113.8
February
38.5°F
53.7
March
45.1°F
120.7
April
54.1°F
130.6
May
63.5°F
103.3
June
72.3°F
103.4
July
79.3°F
103.1
August
77.2°F
143.8
September
68.5°F
133.5
October
58.6°F
94.6
November
48.6°F
71.4
December
39.2°F
145.6

Big Island of Hawaii weather for the next seven days

12/21
Sunday
Sunny
50.5°F/25.5°F
12/22
Monday
Sunny
35.2°F/23.7°F
12/23
Tuesday
Mist
34.3°F/30.9°F
12/24
Wednesday
Partly Cloudy
43.2°F/30.9°F
12/25
Thursday
Patchy rain nearby
37.7°F/32.9°F
12/26
Friday
Patchy rain nearby
55.9°F/35.3°F
12/27
Saturday
Sunny
34.4°F/29.2°F

Big Island of Hawaii Frequently Asked Questions and Useful Information for Travel

What is the best month to go to the Big Island of Hawaii?

The best time to visit the Big Island is during the shoulder seasons of April-May and September-October for a balance of great weather, fewer crowds, and better prices. However, for warmer weather and calm ocean conditions, the leeward (dry) side of the island, like Kona, is a good option year-round, while the winter months (November-March) bring increased rainfall but still rarely disrupt vacation plans.

What is the #1 thing to do in Big Island, Hawaii?

The top must-see sights and activities in the Big Island of Hawaii include Hawaii Volcanoes National Park, Mauna Kea Summit, and exploring its diverse volcanic landscapes and unique nature. For personalized recommendations, our AI trip-planning product can help you discover more.

Is it safe to travel to the Big Island of Hawaii right now?

Yes, it is safe to visit the Big Island of Hawaii even with recent volcanic activity. While there have been eruptions, safety measures are in place, and the island remains a welcoming destination for travelers.

How many days do you need in the Big Island of Hawaii?

You need at least 7 days to properly experience the Big Island of Hawaii, but a longer trip allows for a deeper and more diverse exploration of its natural features, cultural experiences, and diverse landscapes. Planning for more days will give you ample time to see even a fraction of what the island offers.

What are the must-visit natural attractions on the Big Island of Hawaii?

The Big Island of Hawaii is renowned for its stunning natural attractions, including the active volcanoes within Hawaii Volcanoes National Park, the majestic summit of Mauna Kea, numerous beautiful beaches, lush rainforests, and dramatic coastlines. Each offers a unique glimpse into the island's powerful geological forces and tropical beauty.