Hawaii weather in July
July is one of the best months to visit Hawaii: highs of 27°C (81°F) and about 40 mm (1.6 in) of rain on average. Nights average 24°C (76°F) and cloud cover 47% (NASA POWER, 2001–2025 averages). The sea averages 26°C (79°F). It is the 2nd driest month of the year and the 3rd warmest. Compared with June, it is about as warm and about as wet; August brings highs of 28°C (82°F) and 44 mm (1.7 in) of rain.
Figures are long-term averages for Honolulu, the largest city in Hawaii. See below for other places.
Is July a good time to visit Hawaii?
best month Weather score 84/100.
Yes. July is one of the best months for weather in Hawaii.
Does it rain a lot in Hawaii in July?
No, it is usually dry: about 40 mm (1.6 in) falls in an average July. It is the 2nd driest month of the year.
How warm is Hawaii in July?
Days average 27°C (81°F) and nights 24°C (76°F).
Hawaii weather by month
| Month | High | Low | Rain | Cloud | Sea | Weather |
|---|---|---|---|---|---|---|
| January | 24°C (76°F) | 22°C (71°F) | 71 mm | 52% | 25°C (77°F) | fair |
| February | 24°C (75°F) | 21°C (70°F) | 82 mm | 57% | 25°C (77°F) | least pleasant |
| March | 24°C (76°F) | 21°C (71°F) | 94 mm | 61% | 25°C (76°F) | least pleasant |
| April | 25°C (77°F) | 22°C (72°F) | 54 mm | 58% | 25°C (76°F) | fair |
| May | 26°C (79°F) | 23°C (73°F) | 47 mm | 50% | 25°C (78°F) | best |
| June | 27°C (80°F) | 24°C (75°F) | 37 mm | 48% | 26°C (78°F) | best |
| July | 27°C (81°F) | 24°C (76°F) | 40 mm | 47% | 26°C (79°F) | best |
| August | 28°C (82°F) | 25°C (77°F) | 44 mm | 47% | 27°C (80°F) | best |
| September | 28°C (82°F) | 25°C (77°F) | 50 mm | 47% | 27°C (81°F) | best |
| October | 27°C (81°F) | 25°C (76°F) | 73 mm | 56% | 27°C (81°F) | fair |
| November | 26°C (79°F) | 24°C (74°F) | 86 mm | 58% | 26°C (79°F) | least pleasant |
| December | 25°C (77°F) | 23°C (73°F) | 93 mm | 54% | 26°C (78°F) | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), sea temperature from Open-Meteo Marine. Page updated . How we rate months
Weather across Hawaii in July
Weather can differ a lot within Hawaii: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Honolulu | 27°C (81°F) | 24°C (76°F) | 40 mm | best |
| East Honolulu | 26°C (80°F) | 25°C (77°F) | 29 mm | fair |
| Pearl City | 27°C (81°F) | 24°C (76°F) | 40 mm | best |
| Waiau-Pacific Palisades | 27°C (81°F) | 24°C (76°F) | 40 mm | best |
| Makakilo / Kapolei / Honokai Hale | 27°C (81°F) | 24°C (76°F) | 40 mm | best |
| Kalihi-Palama | 27°C (81°F) | 24°C (76°F) | 40 mm | best |
| Hilo | 24°C (76°F) | 20°C (69°F) | 152 mm | best |
| Joint Base Pearl Harbor Hickam | 27°C (81°F) | 24°C (76°F) | 40 mm | best |
| Aliamanu / Salt Lakes / Foster Village | 27°C (81°F) | 24°C (76°F) | 40 mm | best |
| Kailua | 26°C (80°F) | 25°C (77°F) | 29 mm | fair |
| Waipahu | 27°C (81°F) | 24°C (76°F) | 40 mm | best |
| ʻEwa Gentry-West Loch | 27°C (81°F) | 24°C (76°F) | 40 mm | best |