Middle of the drier season · Weather & things to do
Oahu in July
Little changes in Oahu from June: highs stay near 80°F (27°C), lows near 75°F (24°C), and about 1.6 in (40 mm) of rain falls.
At 93/100 for comfort (the top score of the year), it's one of the best months to visit.
- Avg high
- 80°F (27°C)
- Avg low
- 75°F (24°C)
- Rain
- 1.6 in (40 mm)
- Humidity
- 74%
- Cloud cover
- 43%
- Daylight
- ~13 h 11 min
- Comfort score
- 93/100 · Great
What July feels like
Highs settle around 80°F (27°C), warm enough for short sleeves most of the day.
Nights stay warm too, with lows averaging 75°F (24°C).
About 1.6 in (40 mm) of rain falls in a typical year's July.
It's breezy, with average winds near 14 mph (6.2 m/s) at ground level.
Plan around July
July is one of Oahu's best months on the climate data.
- Comfort holds steady from June (92 → 93/100).
- July sits inside the Apr – Oct window our Hawaii Paradise route recommends.
What to pack for July
- Light, breathable clothes80°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Windproof shellaverage wind 14 mph
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Oahu in July
July is good outdoor weather here, so these picks lean toward the open air.
Waimea Bay Beach Park
Big North Shore bay: glassy summer swimming, huge winter surf to watch.
Why now Our curated notes say it's best summer mornings.
Diamond Head State Monument
Steep 1.6-mile round-trip trail up a volcanic crater rim with views over Waikiki.
Why now July scores 93/100 for comfort, good conditions for being outside.
Waikiki Beach
Calm, sandy swim and beginner surf with Diamond Head as the backdrop.
Why now Highs near 80°F and 1.6 in of monthly rain make this an easy outdoor pick.
Giovanni's Shrimp Truck
Graffiti-covered Kahuku truck serving garlic shrimp plates with rice.
Pearl Harbor National Memorial
Boat out to the USS Arizona Memorial and walk the museums on the 1941 attack.
Why now One to do outside while the weather is on your side.
Nearby in July
- Waikiki in July~15 mi · highs 82°F, 1.6 in rain · 1°C (2°F) warmer by day, about as wet
- Kailua & Lanikai in July~18 mi · highs 80°F, 1.1 in rain · similar daytime temperatures, about as wet
- Maui in July~116 mi · highs 72°F, 1.3 in rain · 5°C (8°F) cooler by day, about as wet
- Big Island in July~200 mi · highs 57°F, 4.7 in rain · 13°C (23°F) cooler by day, wetter
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Oahu in July: quick answers
Is July a good time to visit Oahu?
Yes. On the climate data it's one of the best months, scoring 93/100. Expect highs of 80°F (27°C) and 1.6 in (40 mm) of rain. July is inside the Apr – Oct window our Hawaii Paradise route recommends.
How hot is Oahu in July?
Average highs are 80°F (27°C) and average lows 75°F (24°C), making it the 3rd-warmest month by daytime highs.
Does it rain a lot in Oahu in July?
Not much: about 1.6 in (40 mm) of rain falls across July on average, the 2nd-driest month of the year. The annual total is about 30.4 in (771 mm).
What should I pack for Oahu in July?
Bring light, breathable clothes (80°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), windproof shell (average wind 14 mph) and comfortable walking shoes (most places below are best reached on foot or with short walks).
Routes in season in July
- Hawaii Paradise Apr – Oct
Planning Oahu in July?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.