Honolulu, HI Weather
Honolulu hourly forecast: next 24 hours
Today's high of 81°F (27°C) is right in line with the typical July high of 83°F (29°C).
Current conditions in detail
Honolulu weather tomorrow (Saturday, July 18)
Tomorrow in Honolulu looks patchy rain nearby, with a high of 80° and an overnight low of 76°. Precipitation chance is modest at 36%. Winds top out near 23 mph, and the UV index reaches 12 (extreme).
Honolulu 14-day forecast
About the weather in Honolulu
Weather in Honolulu is shaped by its tropical wet-and-dry climate - expect year-round warmth split between a rainy season and a pronounced dry season. August afternoons typically reach 84°F (29°C), while February highs hover near 76°F (25°C). Annual precipitation averages 18.2 inches (463 mm) over about 99 rainy days.
Honolulu weather: quick facts
- Hottest month: August - highs near 84°F (29°C)
- Coldest month: February - highs near 76°F (25°C)
- Record high: 88°F (31°C) · Record low: 58°F (14°C) (2015–2024)
- Wettest month: December (7 rainy days) · Sunniest: June (12.8 h sun/day)
- Climate type: tropical wet-and-dry - year-round warmth split between a rainy season and a pronounced dry season
Temperatures through the year
The warmest stretch of the year centers on August. Highs average 84°F (29°C) and overnight lows stay near 75°F (24°C). The coolest month is February, with typical highs of 76°F (25°C) and lows around 68°F (20°C). Based on 2015–2024 weather data, temperatures have reached as high as 88°F (31°C) and dropped as low as 58°F (14°C).
Rain, sun and snow
December is usually the wettest month. It brings about 2.2 inches (55 mm) of rain over 7 days, while July is the driest. June brings the most sunshine, averaging 12.8 hours of sun a day.
Season by season
March through May
March through May in Honolulu is pleasantly warm, with daytime highs averaging 79°F (26°C) and nights around 70°F (21°C); expect showers on roughly 30 days across the season.
June through August
June through August in Honolulu is hot, with daytime highs averaging 83°F (29°C) and nights around 74°F (24°C); expect showers on roughly 23 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
September through November
September through November in Honolulu runs hot, with daytime highs averaging 82°F (28°C) and nights around 74°F (23°C); expect showers on roughly 24 days across the season.
December through February
December through February in Honolulu is pleasantly warm, with daytime highs averaging 77°F (25°C) and nights around 69°F (20°C); expect showers on roughly 23 days across the season.
Average temperatures in Honolulu by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 77° | 68° | 7 | 1.4 in | 10.1 h/day | 74% |
| February | 76° | 68° | 8 | 2.0 in | 10.2 h/day | 73% |
| March | 77° | 69° | 10 | 2.1 in | 10.5 h/day | 74% |
| April | 79° | 71° | 11 | 1.8 in | 11.6 h/day | 73% |
| May | 80° | 72° | 9 | 1.6 in | 12.3 h/day | 72% |
| June | 82° | 73° | 7 | 1.0 in | 12.8 h/day | 71% |
| July | 83° | 75° | 7 | 0.8 in | 12.7 h/day | 72% |
| August | 84° | 75° | 9 | 1.5 in | 12.3 h/day | 72% |
| September | 84° | 75° | 8 | 1.1 in | 11.5 h/day | 72% |
| October | 83° | 74° | 10 | 1.5 in | 10.7 h/day | 74% |
| November | 80° | 72° | 6 | 1.2 in | 10.2 h/day | 74% |
| December | 78° | 70° | 7 | 2.2 in | 9.8 h/day | 75% |