Hilo (HI)
January
Weather in Hilo, Hawaii for January 2026
Your guide to Hilo weather in January - trends and predictions
In general, the average temperature in Hilo at the beginning of January is 23.9 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 22.6 °F by the end of January.
Hilo experiences heavy rainfall in January, with over 20 rainy days and an average total precipitation 121.2 mm.
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Temperatures
Rain 🌧️
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6
Dry days
25
Rainy days
0
Snow days
23°/18°
Temperatures
16 km/h
Avg max wind
74 %
Avg humidity
Hilo Weather January
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Temperatures trend during January in Hilo
See the weather trend as well as the moving average line
January weather in Hilo day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Patchy rain possible | 23° /19° | 1.8 mm | 5 | |
| Jan. 2 | Patchy rain possible | 23° /19° | 1.2 mm | 5 | |
| Jan. 3 | Patchy rain possible | 24° /17° | 1.1 mm | 5 | |
| Jan. 4 |  Overcast | 24° /19° | 0 mm | 5 | |
| Jan. 5 | Patchy rain possible | 24° /17° | 0.1 mm | 5 | |
| Jan. 6 | Overcast | 25° /18° | 0 mm | 6 | |
| Jan. 7 |  Sunny | 24° /17° | 0 mm | 6 | |
| Jan. 8 | Overcast | 24° /17° | 0.1 mm | 5 | |
| Jan. 9 |  Moderate or heavy rain shower | 21° /18° | 15.2 mm | 5 | |
| Jan. 10 |  Heavy rain at times | 22° /17° | 13.6 mm | 5 | |
| Jan. 11 | Moderate or heavy rain shower | 23° /18° | 11.1 mm | 5 | |
| Jan. 12 | Moderate rain at times | 23° /19° | 6.5 mm | 5 | |
| Jan. 13 | Moderate or heavy rain shower | 23° /18° | 12.5 mm | 5 | |
| Jan. 14 | Patchy rain possible | 23° /19° | 5.4 mm | 5 | |
| Jan. 15 | Patchy rain possible | 23° /18° | 1.8 mm | 5 | |
| Jan. 16 | Heavy rain at times | 23° /18° | 3.4 mm | 5 | |
| Jan. 17 | Patchy rain possible | 24° /19° | 0.5 mm | 5 | |
| Jan. 18 | Moderate or heavy rain shower | 22° /17° | 7.5 mm | 5 | |
| Jan. 19 | Patchy rain possible | 22° /18° | 1.7 mm | 5 | |
| Jan. 20 | Patchy rain possible | 22° /18° | 1.5 mm | 5 | |
| Jan. 21 | Overcast | 22° /18° | 0.4 mm | 5 | |
| Jan. 22 | Overcast | 24° /18° | 0 mm | 5 | |
| Jan. 23 | Patchy rain possible | 23° /17° | 0.7 mm | 5 | |
| Jan. 24 | Heavy rain at times | 22° /17° | 1.9 mm | 5 | |
| Jan. 25 | Moderate or heavy rain shower | 23° /18° | 8.5 mm | 5 | |
| Jan. 26 | Moderate rain at times | 22° /18° | 9.4 mm | 5 | |
| Jan. 27 | Moderate rain at times | 23° /16° | 3.5 mm | 5 | |
| Jan. 28 | Moderate rain at times | 20° /16° | 2.7 mm | 5 | |
| Jan. 29 | Moderate rain at times | 22° /16° | 1 mm | 5 | |
| Jan. 30 | Moderate rain at times | 25° /19° | 1.9 mm | 6 | |
| Jan. 31 | Light rain shower | 23° /19° | 6.2 mm | 5 | |
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Important Notice
Our weather forecast for Hilo in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Hilo forecast closer to your planned date for the most up-to-date weather information.
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Hilo in January - FAQ
What are the expected maximum and minimum temperatures in Hilo during January?
During January, expect a variety of temperatures with highs around 23° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hilo during January?
Significant rainfall exceeding 121.2 mm is expected in Hilo during January, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hilo during January?
The average wind speed in Hilo during January is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in Hilo
Explore the daily rainfall trends and prepare for Hilos January weather 💧
UV exposure in Hilo during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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