Hilo Weather in January
January in Hilo brings high temperatures, with highs of 23°C (73°F) and nights dropping to 17°C (63°F). Rainfall is on the higher side this month, averaging around 169 mm (6.7 in), so keep a rain jacket handy.
Rainfall in Hilo in January
Historically, approximately 15 days this month are expected to have rain, averaging 169 mm (6.7 in). This is a wet month with frequent and often heavy showers. Both the number of rain days and the total rainfall are high.
Temperature in Hilo in January
In January, Hilo gets high temperatures, with highs of 23°C (73°F). Nights cool to around 17°C (63°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 17°C (63°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Hilo in January
The area enjoys a moderate level of sunlight, with around 163 hours. It's a good balance between sunny and cloudy days.If your ideal day consists of dry skies and pleasant temperatures, January, May, June, July, August, September and October typically offer the best circumstances for Hilo.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hilo's climate page.
Hilo Temperature in January
Min Temperature
17°C (63°F)
Max Temperature
23°C (73°F)
Chance of Rain
50%
Precipitation
169 mm (6.7 in)
Rainy days
15 days
Humidity
75%
Sunshine
163 hours
Percentage Sunshine
47%
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Hilo typically stay consistent throughout January, with daily highs averaging around 23°C (73°F). Nights are pleasant, with lows around 18°C (64°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Hilo in January
Browse day-by-day weather records for Hilo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hilo historical weather extremes in January
The extremes listed below come from historical weather data collected in Hilo from 1998 through 2025.
- The warmest day in January was on January 28, 2024, with a maximum of 31°C (88°F).
- Hilo experienced its chilliest January day on January 28, 2014, reaching only 21°C (70°F).
- Hilo registered its coldest January night on January 24, 2017, with temperatures dropping to 7°C (45°F).
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Hilo in January
Pleasant temperatures in January mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Hilo in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Hilo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Hilo climate overview or explore weather in the United States of America.
