Honolulu, Hawaii weather in July

Averages from 2021–2025 (155 days of record).

Average high: 84°F
Average low: 73°F
Rainy days: ~6 per month
Total precipitation: 0.7 in
Warmest recorded: 88°F
Coldest recorded: 71°F

Expect July days in Honolulu, Hawaii to top out around 84°F and cool to about 73°F overnight, with roughly 6 days of measurable rain across the month. In recent years July has ranged from 71°F to 88°F.

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Current Honolulu, Hawaii forecast → · Historical data by Open-Meteo (ERA5).