Hilo, HI weather in January
January in Hilo: mild, with rain on most days. Highs 79°F, lows 64°F, about 16 wet days. Keep rain gear handy.
- Normal high
- 79°F
- Normal low
- 64°F
- Wet days
- 16
- 7.9 in total
- Muggy days
- 7
- dew point 65°F+
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 79°F | 79°F |
| Normal low | 65°F | 64°F |
| Chance of a wet day | 57% | 53% |
| Sunrise / sunset | 6:55 am / 5:52 pm | 6:55 am / 6:11 pm |
| Daylight | 11.0 h | 11.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Hawaii time (no daylight saving)).
A typical January day
- 6 am66°Fdew point 59°F
- 9 am72°Fdew point 62°F
- Noon78°Fdew point 64°F
- 3 pm77°Fdew point 64°F
- 6 pm73°Fdew point 65°F
- 9 pm70°Fdew point 64°F
NOAA hourly normals (local standard time) from Hilo Intl Airport (2 mi away); average wind 7 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F4 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph13 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more7 of 31
- Wet daysat least 0.01 in of rain or melted snow16 of 31
- Notable rainat least 0.10 in10 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain in January
Normal precipitation is 7.9 in; a dry January brings about 2.2 in and a wet one about 12.9 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more.
How January varies from year to year
- Warmest January, 1991-20202016: average high 84°F
- Coolest January2000: average high 76°F
- Wettest January2002: 26.1 in
- Driest January1998: 0.1 in
- Highest reading92°F (January 28, 1997)
- Lowest reading54°F (January 10, 1995)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
January compared with December and February
| December | January | February | |
|---|---|---|---|
| Normal high | 79°F | 79°F | 78°F |
| Normal low | 66°F | 64°F | 64°F |
| Wet days | 22 | 16 | 17 |
| Comfortable days | 1 | 4 | 5 |
| Daylight | 11.0 h | 11.1 h | 11.5 h |
Highs change by 0°F from December and -1°F into February.
Nearby alternatives in January
- Drier: Kailua-Kona, HI59 mi · high 81°F · 4 wet days
How Hilo ranks in January
- Normal high4th warmest of 378 cities; 4th of 7 in Hawaii
- Wet days350th driest of 378
- Comfortable days144th most of 339
What to pack for Hilo in January
- A rain jacket or umbrella – rain on about 16 days
- A swimsuit – about 13 beach days
Heating and cooling
January has 0 heating degree days and 198 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Hilo in January?
The normal high is 79°F and the normal low is 64°F. From 1991 to 2020 the hottest January reading was 92°F (January 28, 1997).
Does it rain a lot in Hilo in January?
About 16 days in January have at least 0.01 in of precipitation, and the normal total is 7.9 in. The wettest January in 1991-2020 was in 2002 (26.1 in); the driest was in 1998 (0.1 in).
Is January a good time to visit Hilo?
January ranks 2nd of 12 months on our comfort score for Hilo (48 out of 100). It has about 4 comfortable days. The best months are January and February.
Where the numbers come from
- Temperature, rain, frost dates and humidity and wind by hour: Hilo Intl Airport (USW00021504), 2.2 mi E of the city center, 38 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Kapoho Beach 93.11 (USC00513368), 23 mi SE of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Hilo International Airport (912850-21504), 2.5 mi E of the city center, 29 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).