Season guide · Big Island (Hawaiʻi) · United States
Big Island (Hawaiʻi) in summer
June–August: weather, crowds, prices and the best things to do this time of year.
Updated By the AMZBooking editorial team
Pictured: Rainbow Falls (Waiānuenue), Big Island (Hawaiʻi) · Photo: Gr0ph0n, CC BY-SA 4.0
Quick answer
The warmest, driest season on the coasts, busy with family holidays; hurricane season starts in June but direct impacts are rare. Expect highs up to 31°C (88°F) and lows around 22°C (72°F), with about 29 rainy days across June–August.
Key facts
- Months
- June–August
- Temperatures
- 22°C (72°F) to 31°C (88°F)
- Rainy days in the season
- About 29
- Sea
- 26°C (79°F) to 27°C (81°F)
- Crowds
- Busy
- Hotel prices
- High
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Weather in summer
| Month | High | Low | Rainy days | Daylight | Crowds |
|---|---|---|---|---|---|
| June | 30°C (86°F) | 22°C (72°F) | 9 | 13.3 h | 3/5 |
| July | 30°C (86°F) | 22°C (72°F) | 10 | 13.2 h | 4/5 |
| August | 31°C (88°F) | 22°C (72°F) | 10 | 12.8 h | 4/5 |
Compared with the rest of the year: average highs of 30°C (86°F) against a yearly 29°C (84°F), and 29 of the year's roughly 104 rainy days fall in these 3 months. Crowds rate 4/5 and hotel prices 4/5 on average.
What's on in summer
Recurring events; dates move from year to year, so confirm with the organiser.
- June: King Kamehameha Day celebrations, including the Kapaʻau parade (around 11 June)
- July: Parker Ranch rodeo in Waimea (around the Fourth of July)
- August: Hawaiian International Billfish Tournament in Kona (usually late July or August)
Good choices for summer
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Museum · Hilo
Pacific Tsunami Museum
Housed in a former bank building on Kamehameha Avenue, this small museum tells the story of the 1946 and 1960 tsunamis that devastated Hilo's waterfront, with survivor accounts and exhibits on tsunami science.
- Time needed
- 1 hour
- Cost
- Low cost
- History
- Rainy day
Palace · Kailua-Kona
Huliheʻe Palace
Look across the road at Mokuʻaikaua Church, Hawaiʻi's oldest Christian church, built of lava stone and coral mortar.
- Time needed
- 45 minutes
- Cost
- Low cost
- History
- Architecture
- Rainy day
Museum · Hilo
ʻImiloa Astronomy Center
On the University of Hawaiʻi at Hilo campus, ʻImiloa links Maunakea astronomy with Hawaiian navigation and creation traditions, with interactive exhibits, a planetarium and native plant gardens.
- Time needed
- 2 hours
- Cost
- Mid-priced
- Kids
- Rainy day
Day trips in summer
- North Kohala and Pololū Valley (About 1.25 hours each way by car) — Drive up the Kohala Coast, then through Hāwī and Kapaʻau to the end of the road at the Pololū Valley lookout.
- South Point and Green Sand Beach (About 2 hours each way by car) — Ka Lae (South Point) is the southernmost point of the United States, with cliffs, a wind farm and ancient fishing canoe moorings.
What to pack
- Light, breathable clothes, a sun hat and high-factor sunscreen
- A packable rain jacket for showers
- Comfortable walking shoes
Other times of year
Questions travellers ask
+Is summer a good time to visit Big Island (Hawaiʻi)?
It is a trade-off: The warmest, driest season on the coasts, busy with family holidays; hurricane season starts in June but direct impacts are rare. The best months overall are April–May and September–October.
+What is the weather like in Big Island (Hawaiʻi) in summer?
Highs of up to 31°C (88°F) and lows around 22°C (72°F), with about 29 rainy days over the season.