Summer temperatures · Hawaii
How hot does Honolulu get in summer?
In a typical summer, June to August, Honolulu averages highs around 88°F and lows around 75°F.
About 32 days a year reach 90°F or hotter, and 100°F doesn’t show up in a typical year. About 330 days a year get to 80°F or warmer. That makes it the 22nd hottest summer of the 129 US cities we track.
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The hottest high in the forecast for the next 48 hours is about 81°F.
Honolulu clears 80°F on about 330 days a year, the most of the 129 cities we track, and somehow nobody there ever seems to mind.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer at a glance
| Average summer high | 88°F |
|---|---|
| Average summer low | 75°F |
| Days a year at 80°F or warmer | 330 |
| Days a year at 90°F or hotter | 32 |
| Days a year at 100°F or hotter | none |
| Average winter high, for comparison | 81°F |
Summer here is June to August. Counts are averages a year.
Cities with about the same summer
- Mobile, Alabama: highs around 90°F, lows around 72°F
- Tulsa, Oklahoma: highs around 92°F, lows around 71°F
- Jackson, Mississippi: highs around 91°F, lows around 71°F
More about the weather here
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00022521.