Hilo weather in January
January in Hilo: warm, soaked, with clean air — a good time to visit.
#6 of 12 months in Hilo · #293 of 604 destinations to visit in January · comfort 69/100 (tier C)
Updated June 2026 · climate normals from ERA5 reanalysis
Hilo climate normals — January
| Daytime high | 24°C / 75°F | 🌤 warm |
|---|---|---|
| Nighttime low | 19°C / 65°F | |
| Feels like (high) | 26°C / 79°F | |
| Rainfall | 289 mm / 11.4 in | ⛈ soaked |
| Rainy days | 26 days | |
| Humidity | 84% | 💦 very humid |
| Dew point | 18°C / 65°F | |
| Sunshine | 9.6 h/day | |
| Daylight | 11.1 h | |
| Wind | 16 km/h / 10 mph | |
| Air quality (US AQI) | 23 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Hilo?
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Hilo in January — FAQ
- Is January a good time to visit Hilo?
- January in Hilo: warm, soaked, with clean air — a good time to visit. It ranks #6 of 12 months for Hilo on SeasonMap's comfort score (69/100).
- What is the weather like in Hilo in January?
- In January, Hilo averages a daily high of 24°C and a low of 18.6°C, with about 289 mm of rain over roughly 26 rainy days.
- What is the air quality in Hilo in January?
- Hilo has a mean US Air Quality Index of about 23 in January.