Month guide · Big Island (Hawaiʻi) · United States
Big Island (Hawaiʻi) in July
What July is really like in Big Island (Hawaiʻi): weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
Pictured: Hawaiʻi Volcanoes National Park, Big Island (Hawaiʻi) · Photo: Brocken Inaglory, CC BY-SA 3.0
Quick answer
July is a quieter month with trade-offs. Expect average highs of 30°C (86°F), lows of 22°C (72°F), about 10 rainy days and roughly 13.2 hours of daylight. Warm and busy with families; afternoon showers are common in upland Kona coffee country.
Key facts
- Average high / low
- 30°C (86°F) / 22°C (72°F)
- Rainy days
- About 10
- Daylight
- About 13.2 hours
- Sea temperature
- 26°C (79°F)
- Crowds
- Busy
- Hotel prices
- High
Plan a trip to Big Island (Hawaiʻi)
Compare flights, places to stay and rental cars, then book with the provider you choose.
Weather in July
July is the 3rd-warmest month in Big Island (Hawaiʻi): days average 30°C (86°F) against a yearly average high of 29°C (84°F), and nights fall to about 22°C (72°F). Rain falls on roughly 10 of its 31 days. Compared with June (30°C (86°F)), July is about as warm; by August highs stay near 31°C (88°F).
- Sunrise (15 July)
- About 05:52
- Sunset (15 July)
- About 19:04
- Daylight
- About 13.2 hours
- Sea
- 26°C (79°F)
Spring (April–May). Settled weather, calm seas and the Merrie Monarch Festival; a good-value shoulder season after Easter.
Crowds and prices
On a 1–5 scale, July rates 4 for crowds (the peak is December at 5) and 4 for hotel prices (highest in January). Book accommodation early: July is one of the pricier months.
Events in July
- Parker Ranch rodeo in Waimea (around the Fourth of July)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in July
With frequent rain, plan around indoor sights and keep outdoor time flexible.
Experience · Kailua-Kona
Manta ray night snorkel
Choose a small-group operator that follows the manta-viewing guidelines, and take seasickness tablets if you are prone to it.
- Time needed
- 2–3 hours
- Cost
- Expensive
- After dark
- Nature
- Couples
- Active
Beach · Kaʻū
Punaluʻu Black Sand Beach
On the south coast between Kona and the volcano, this beach of jet-black sand is a regular basking spot for green sea turtles.
- Time needed
- 1 hour
- Cost
- Free
- Free
- Nature
- Photo spot
- Kids
Beach · Kaʻū
Papakōlea Green Sand Beach
Bring plenty of water, sun protection and sturdy shoes; there is no shade, and the climb down into the cove is steep.
- Time needed
- 3–4 hours
- Cost
- Free
- Free
- Active
- Nature
- Photo spot
Nature · Hilo
Rainbow Falls (Waiānuenue)
On the Wailuku River just above Hilo, this wide waterfall flows over a lava cave, and on sunny mornings the spray often creates rainbows.
- Time needed
- 30 minutes
- Cost
- Free
- Free
- Kids
- Nature
- Photo spot
The sea averages 26°C (79°F) — warm enough to swim. Best beaches near Big Island (Hawaiʻi).
What to pack
For highs near 30°C (86°F), lows near 22°C (72°F) and 10 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; a packable rain jacket for showers; comfortable walking shoes.
Is July a good time to visit Big Island (Hawaiʻi)?
A quieter month with trade-offs, with a notable event on the calendar. If your dates are flexible, April–May and September–October are better overall. Compare every month.
Big Island (Hawaiʻi) in other months
Questions travellers ask
+What time does the sun set in Big Island (Hawaiʻi) in July?
At about 19:04 local time in mid-July, with sunrise at about 05:52: roughly 13.2 hours of daylight.
+How warm is Big Island (Hawaiʻi) in July?
Average highs are around 30°C (86°F) and lows around 22°C (72°F).
+Does it rain a lot in Big Island (Hawaiʻi) in July?
Expect rain on about 10 days of the month.