Hawaii County climate

Hawaii County Weather in January

NOAA 1991-2020 normals for Mauna Loa 5 Nne, 9.3 km from Hawaii County

Average highs run from 51°F on January 1 to 51°F on January 31, and lows from 36°F to 35°F. Normal precipitation for the month is 1.10 in over about 4 wet days.

January day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Hawaii County, in °F, with the record for each date.203040506070151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
51°F
Average low
35°F
Precipitation
1.10 in
Record high
66°FJan 16, 2010
Record low
22°FJan 6, 2014
Chance of a freeze
81%
Daylight
10 h 58 min to 11 h 17 min
Cloud cover
52%
Humidity
82%
Dew point
55°F
Wind
6.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Jan 151°F36°F61°F 202331°F 201716%
Jan 251°F36°F61°F 201932°F 202216%
Jan 351°F36°F62°F 201929°F 201516%
Jan 451°F36°F57°F 201931°F 202215%
Jan 551°F36°F56°F 201924°F 201415%
Jan 651°F36°F62°F 201922°F 201415%
Jan 751°F36°F60°F 202528°F 201115%
Jan 851°F36°F57°F 201527°F 201115%
Jan 951°F36°F56°F 201029°F 201415%
Jan 1051°F36°F61°F 201030°F 201314%
Jan 1151°F36°F58°F 201929°F 201314%
Jan 1251°F36°F59°F 201930°F 201714%
Jan 1351°F36°F60°F 200629°F 201214%
Jan 1451°F36°F62°F 202330°F 201314%
Jan 1551°F36°F62°F 201031°F 200814%
Jan 1651°F36°F66°F 201028°F 202614%
Jan 1751°F35°F63°F 201026°F 202613%
Jan 1851°F35°F61°F 200727°F 200813%
Jan 1951°F35°F60°F 202424°F 201113%
Jan 2051°F35°F61°F 201732°F 202013%
Jan 2151°F35°F61°F 202429°F 200913%
Jan 2251°F35°F60°F 202429°F 200613%
Jan 2351°F35°F65°F 201531°F 201714%
Jan 2451°F35°F62°F 202428°F 200814%
Jan 2551°F35°F62°F 201429°F 201714%
Jan 2651°F35°F62°F 201029°F 200814%
Jan 2751°F35°F60°F 202426°F 201914%
Jan 2851°F35°F64°F 202423°F 201914%
Jan 2951°F35°F65°F 202424°F 200815%
Jan 3051°F35°F63°F 202423°F 200815%
Jan 3151°F35°F64°F 202425°F 200815%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Hawaii County, in percent.051015201102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (HST).

January 1
sunrise 6:57 AM, sunset 5:55 PM
January 31
sunrise 6:57 AM, sunset 6:14 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00021514 (Mauna Loa 5 Nne), public domain. Records: NOAA GHCN-Daily, station USW00021514, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.