Honolulu weather in January
January in Honolulu: warm, a little rain, with clean air — an excellent time to visit.
#9 of 12 months in Honolulu · #83 of 604 destinations to visit in January · comfort 86/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Honolulu climate normals — January
| Daytime high | 25°C / 78°F | 🌤 warm |
|---|---|---|
| Nighttime low | 22°C / 72°F | |
| Feels like (high) | 27°C / 81°F | |
| Rainfall | 31 mm / 1.2 in | 🌦 some rain |
| Rainy days | 8 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 19°C / 66°F | |
| Sunshine | 9.6 h/day | |
| Daylight | 11 h | |
| Wind | 20 km/h / 12 mph | |
| Air quality (US AQI) | 38 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Honolulu?
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Honolulu in January — FAQ
- Is January a good time to visit Honolulu?
- January in Honolulu: warm, a little rain, with clean air — an excellent time to visit. It ranks #9 of 12 months for Honolulu on SeasonMap's comfort score (86/100).
- What is the weather like in Honolulu in January?
- In January, Honolulu averages a daily high of 25.4°C and a low of 22°C, with about 30.9 mm of rain over roughly 7.8 rainy days.
- What is the air quality in Honolulu in January?
- Honolulu has a mean US Air Quality Index of about 38 in January.