Honolulu weather in January: Honolulu, Hawaii: normal highs, lows, rain and records for January

Honolulu in January has a normal high of 81°F and a normal low of 67°F, a daily mean of 74°F, holding near 81°F all month. Measurable precipitation falls on 8 days in a normal January, 1.84 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 27°C and low of 19°C, 47 mm of precipitation in January.

  • NOAA stationHonolulu International Airport
  • Station IDUSW00022521
  • Location21.32°N 157.93°W
  • Elevation7 ft (2 m)
  • From the center5 miles
  • Population (census place)344,967
  1. Jan 81° 67°
  2. Feb 81° 67°
  3. Mar 81° 68°
  4. Apr 83° 70°
  5. May 85° 72°
  6. Jun 87° 74°
  7. Jul 88° 75°
  8. Aug 89° 76°
  9. Sep 88° 75°
  10. Oct 87° 74°
  11. Nov 84° 72°
  12. Dec 82° 69°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Honolulu in January?

The normal high is 81°F and the normal low 67°F, for a daily mean of 73.6°F. January is 1.9°F cooler than December and 0.2°F cooler than February. January is the 12th warmest month of the year in Honolulu and the 5th wettest. Across the month the normal high falls 1°F, from 81°F on January 1 to 80°F on January 31. From one year to the next January's mean temperature typically moves about 1.4°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 72°F and 75°F.

Honolulu in January, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 26%).

Normal high and low on five days of January, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
January 181°F67°F26%10%
January 881°F67°F25%11%
January 1580°F67°F25%11%
January 2280°F67°F26%11%
January 3180°F67°F26%11%
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 15)
Honolulu: NOAA 1991-2020 daily normals for each day of January
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
January 181°F67°F26%10%10 h 50 min
January 281°F67°F26%10%10 h 50 min
January 381°F67°F26%10%10 h 50 min
January 481°F67°F26%10%10 h 50 min
January 581°F67°F25%10%10 h 50 min
January 681°F67°F25%10%10 h 50 min
January 781°F67°F25%10%10 h 50 min
January 881°F67°F25%11%10 h 50 min
January 981°F67°F25%11%10 h 50 min
January 1081°F67°F25%11%10 h 50 min
January 1181°F67°F25%11%11 h
January 1281°F67°F25%11%11 h
January 1381°F67°F25%11%11 h
January 1480°F67°F25%11%11 h
January 1580°F67°F25%11%11 h
January 1680°F67°F25%11%11 h
January 1780°F67°F25%11%11 h
January 1880°F67°F26%11%11 h
January 1980°F67°F26%11%11 h
January 2080°F67°F26%11%11 h
January 2180°F67°F26%11%11 h
January 2280°F67°F26%11%11 h
January 2380°F67°F26%11%11 h
January 2480°F67°F26%11%11 h
January 2580°F67°F26%11%11 h 10 min
January 2680°F67°F26%11%11 h 10 min
January 2780°F67°F26%11%11 h 10 min
January 2880°F67°F26%11%11 h 10 min
January 2980°F67°F26%11%11 h 10 min
January 3080°F67°F26%11%11 h 10 min
January 3180°F67°F26%11%11 h 10 min
Normal high
81°FJanuary average
Normal low
67°FJanuary average
Precipitation
1.84 inmonth total
Days with precipitation
80.01 inch or more
Daylight
10 h 50 min to 11 h 10 minJanuary 1 to January 31
Days at 70°F or more
31
Days at 80°F or more
21
Sunshine
82%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00022521; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Honolulu in January?

On a given January day the chance of 0.01 inch or more is 26% on average, highest around January 30 (26%). In all, 1.84 in falls on 8 days of a normal January.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00022521.

How humid and windy is Honolulu in January?

At 3 p.m. the normal temperature is 78°F with 59% relative humidity and a dew point of 63°F; at 6 a.m. it is 69°F with 80% humidity. The wind averages 8.6 mph, most often from the east in the afternoon.

A normal January day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.69°F62°F80%6.1 mph56%
9 a.m.74°F63°F70%7.8 mph47%
noon78°F63°F60%11.8 mph38%
3 p.m.78°F63°F59%12.3 mph34%
6 p.m.75°F63°F66%10.4 mph42%
9 p.m.72°F63°F73%7.4 mph54%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00022521. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for January in Honolulu?

The warmest January temperature on Honolulu's official record (since 1940) is 88°F, on January 21, 1996; the coldest is 52°F, on January 20, 1969. The wettest January brought 13.33 in (1957).

The January mean against the 1991-2020 normal of 73.6°F: 2021 76.6°F (+3.0), 2022 73.2°F (−0.4), 2023 74.3°F (+0.8), 2024 73.2°F (−0.4), 2025 75.1°F (+1.5), 2026 74.4°F (+0.8). 4 of 6 ran warmer than normal.

Honolulu: January in recent years against the 1991-2020 normal
JanuaryMeanAgainst normalPrecip.
202176.6°F+3.0°F3.23 in
202273.2°F−0.4°F6.34 in
202374.3°F+0.8°F0.43 in
202473.2°F−0.4°F2.64 in
202575.1°F+1.5°F5.21 in
202674.4°F+0.8°F1.34 in

Source: records: ACIS, NWS threaded record HNLthr; recent months: ACIS, station USW00022521. Records and recent months use complete months only.

How does January in Honolulu compare across Hawaii?

Across the 18 places PlainClimate covers in Hawaii, January normal highs run from 68°F in Kula to 82°F in Kahului; Honolulu's is 81°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places