United States Honolulu Weather in July — Climate Guide
July in Honolulu is very-high
Honolulu Weather in July — Quick Answer
As of 2026- Avg temp
- 30° / 24°
- Rainfall
- 10mm · 3 days
- Crowds
- Very busy
As of 2026, Honolulu in July averages a high of 30°C and low of 24°C with 10mm of rain over about 3 days. Hot tropical + UV. Lightest cotton or linen clothing. SPF 50+ reapply every 2 hours. UV 12 (extreme + burn risk 10-15 min).
July is very-high for Honolulu.
July is Honolulu's hottest month — 30°C / 86°F days, 24°C / 75°F nights, sea temperature 27°C / 81°F. US summer school holidays at peak. Hotels at maximum across all Waikiki + Ko Olina + Kahala properties.
July 4 Independence Day fireworks: Hilton Hawaiian Village runs a coordinated Waikiki Beach fireworks display visible from every Waikiki beachfront hotel + most public viewing spots. Ala Moana Beach Park has a separate free public fireworks display. Beaches book solid 2-3 weeks ahead for the holiday week.
Travel score
Honolulu July Weather Stats
Avg High
30°C
Avg Low
24°C
Rainy Days
3
10mm total
Sunshine
11h
Daily avg
Humidity
65%
moderate
UV Index
12
Extreme
Wind
14 km/h
Gusts 30
Sea Temp
27°C
swimming
Crowds
Very busy
At attractions
July Sunrise & Sunset
Air Quality
PM2.5
5 μg/m³
PM10
13 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
32°C
Nighttime
24°C
Humidity and wind affect how the actual temperature feels.
Wind
14 km/h
Max gust 30 km/h
Activities Recommended for July
July Travel Pros & Cons
Pros
- July 4 fireworks (atmospheric)
- Long daylight
- Sea at warmest temperature 27°C
Cons
- Hottest month
- Hotels at maximum
- UV 12 burn risk 10-15 min
July Events & Festivals
- July 4 Independence Day fireworks
- Prince Lot Hula Festival (3rd Saturday July)
- Hawaiian International Jazz Festival (mid-July)
Honolulu in July — Full Picture
July is Honolulu's hottest month — 30°C / 86°F days, 24°C / 75°F nights, sea temperature 27°C / 81°F. US summer school holidays at peak. Hotels at maximum across all Waikiki + Ko Olina + Kahala properties.
July 4 Independence Day fireworks: Hilton Hawaiian Village runs a coordinated Waikiki Beach fireworks display visible from every Waikiki beachfront hotel + most public viewing spots. Ala Moana Beach Park has a separate free public fireworks display. Beaches book solid 2-3 weeks ahead for the holiday week.
UV 12 is the highest of the year — burn risk in 10-15 minutes for fair skin. Reef-safe sunscreen SPF 50+ is mandatory under Hawaii law (oxybenzone and octinoxate banned since 2021). Hydration is essential.
Prince Lot Hula Festival (the 3rd Saturday of July) at Iolani Palace is the largest non-competitive hula performance gathering in Hawaii — free public attendance. A more authentic cultural alternative to the commercial Polynesian Cultural Center experience.
The smart July move: book at least 8-10 weeks ahead for any Waikiki beachfront room. Pearl Harbor 60-day pre-booking is non-negotiable.
What to Wear & What to Pack
Hot tropical + UV. Lightest cotton or linen clothing. SPF 50+ reapply every 2 hours. UV 12 (extreme + burn risk 10-15 min).
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
27.7°C
21°C
6/mo
Summer (Jun·Jul·Aug)
Current30°C
23.7°C
3.7/mo
Autumn (Sep·Oct·Nov)
29.7°C
23°C
7/mo
Winter (Dec·Jan·Feb)
27°C
20.3°C
10.3/mo
Honolulu Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 27° | 20° | 11d·100mm | 7h | 70% | 8 | Very busy | Peak | |
| February (Best) | 27° | 20° | 9d·80mm | 8h | 68% | 9 | Very busy | Peak |
| March (Best) | 27° | 20° | 7d·60mm | 8h | 67% | 9 | Busy | Shoulder |
| April (Best) | 28° | 21° | 6d·30mm | 9h | 65% | 10 | Busy | Shoulder |
| May (Best) | 28° | 22° | 5d·30mm | 10h | 65% | 11 | Very busy | Peak |
| June (Best) | 29° | 23° | 4d·15mm | 11h | 63% | 11 | Very busy | Peak |
| July (Best) | 30° | 24° | 3d·10mm | 11h | 65% | 12 | Very busy | Peak |
| August (Best) | 31° | 24° | 4d·15mm | 11h | 65% | 12 | Very busy | Peak |
| September (Best) | 30° | 24° | 5d·25mm | 10h | 65% | 11 | Busy | Shoulder |
| October (Best) | 30° | 23° | 7d·50mm | 9h | 67% | 9 | Moderate | Shoulder |
| November (Best) | 29° | 22° | 9d·80mm | 8h | 70% | 8 | Moderate | Shoulder |
| 27° | 21° | 11d·100mm | 7h | 70% | 7 | Very busy | Peak |
View Other Months
Honolulu July Hotel Picks
Frequently Asked Questions
Is July a good time to visit Honolulu?
Honolulu in July is very-high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Honolulu in July?
Honolulu July averages a high of 30°C and a low of 24°C.
Does it rain much in Honolulu in July?
Honolulu July averages 10mm of rainfall over about 3 rainy days.
What should I wear in Honolulu in July?
Hot tropical + UV. Lightest cotton or linen clothing. SPF 50+ reapply every 2 hours. UV 12 (extreme + burn risk 10-15 min).
What time are sunrise and sunset in Honolulu in July?
Honolulu July sunrise is 06:00 and sunset is 19:15, with 13h 15m of daylight.
What's the air quality like in Honolulu in July?
Honolulu July air quality (AQI) averages 22, rated Good. PM2.5 averages 5μg/m³.
What activities are recommended in Honolulu in July?
In July, Honolulu is great for Waikiki sunset + July 4 fireworks, Pearl Harbor, Polynesian Cultural Center.
Is July peak season in Honolulu?
Honolulu July crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Honolulu
View Other Months
Planning a July trip to Honolulu?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.