Kahului weather in January: Kahului, Hawaii: normal highs, lows, rain and records for January
Kahului in January has a normal high of 82°F and a normal low of 64°F, a daily mean of 73°F, holding near 82°F all month. Measurable precipitation falls on 8 days in a normal January, 2.42 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 18°C, 61 mm of precipitation in January.
- NOAA stationKahului Airport
- Station IDUSW00022516
- Location20.90°N 156.43°W
- Elevation51 ft (16 m)
- From the center3 miles
- Population (census place)27,068
- Jan 82° 64°
- Feb 82° 64°
- Mar 83° 65°
- Apr 85° 67°
- May 87° 68°
- Jun 88° 70°
- Jul 89° 72°
- Aug 90° 72°
- Sep 90° 71°
- Oct 89° 70°
- Nov 86° 68°
- Dec 83° 66°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Kahului in January?
The normal high is 82°F and the normal low 64°F, for a daily mean of 72.9°F. January is 1.7°F cooler than December and 0.1°F cooler than February. January is the 12th warmest month of the year in Kahului and the 3rd wettest. Across the month the normal high falls 1°F, from 83°F on January 1 to 82°F on January 31. From one year to the next January's mean temperature typically moves about 1.3°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 72°F and 74°F.
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 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 83°F | 64°F | 29% | 13% |
| January 8 | 82°F | 64°F | 28% | 13% |
| January 15 | 82°F | 64°F | 27% | 13% |
| January 22 | 82°F | 63°F | 28% | 14% |
| January 31 | 82°F | 64°F | 29% | 15% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 16)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 83°F | 64°F | 29% | 13% | 10 h 50 min |
| January 2 | 82°F | 64°F | 29% | 13% | 10 h 50 min |
| January 3 | 82°F | 64°F | 29% | 13% | 10 h 50 min |
| January 4 | 82°F | 64°F | 29% | 13% | 10 h 50 min |
| January 5 | 82°F | 64°F | 29% | 13% | 10 h 50 min |
| January 6 | 82°F | 64°F | 28% | 13% | 10 h 50 min |
| January 7 | 82°F | 64°F | 28% | 13% | 11 h |
| January 8 | 82°F | 64°F | 28% | 13% | 11 h |
| January 9 | 82°F | 64°F | 28% | 13% | 11 h |
| January 10 | 82°F | 64°F | 28% | 13% | 11 h |
| January 11 | 82°F | 64°F | 28% | 13% | 11 h |
| January 12 | 82°F | 64°F | 28% | 13% | 11 h |
| January 13 | 82°F | 64°F | 28% | 13% | 11 h |
| January 14 | 82°F | 64°F | 27% | 13% | 11 h |
| January 15 | 82°F | 64°F | 27% | 13% | 11 h |
| January 16 | 82°F | 63°F | 27% | 13% | 11 h |
| January 17 | 82°F | 63°F | 27% | 14% | 11 h |
| January 18 | 82°F | 63°F | 28% | 14% | 11 h |
| January 19 | 82°F | 63°F | 28% | 14% | 11 h |
| January 20 | 82°F | 63°F | 28% | 14% | 11 h |
| January 21 | 82°F | 63°F | 28% | 14% | 11 h |
| January 22 | 82°F | 63°F | 28% | 14% | 11 h |
| January 23 | 82°F | 63°F | 28% | 14% | 11 h |
| January 24 | 82°F | 63°F | 28% | 14% | 11 h 10 min |
| January 25 | 82°F | 63°F | 28% | 14% | 11 h 10 min |
| January 26 | 82°F | 63°F | 29% | 14% | 11 h 10 min |
| January 27 | 82°F | 63°F | 29% | 15% | 11 h 10 min |
| January 28 | 82°F | 63°F | 29% | 15% | 11 h 10 min |
| January 29 | 82°F | 63°F | 29% | 15% | 11 h 10 min |
| January 30 | 82°F | 64°F | 29% | 15% | 11 h 10 min |
| January 31 | 82°F | 64°F | 29% | 15% | 11 h 10 min |
- Normal high
- 82°FJanuary average
- Normal low
- 64°FJanuary average
- Precipitation
- 2.42 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
- 22
- Sunshine
- 85%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00022516; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Kahului in January?
On a given January day the chance of 0.01 inch or more is 28% on average, highest around January 1 (29%). In all, 2.42 in falls on 8 days of a normal January, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00022516.
How humid and windy is Kahului in January?
At 3 p.m. the normal temperature is 78°F with 61% relative humidity and a dew point of 64°F; at 6 a.m. it is 66°F with 83% humidity. The wind averages 10.6 mph, most often from the northeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 66°F | 61°F | 83% | 8.4 mph | 65% |
| 9 a.m. | 73°F | 63°F | 72% | 8.9 mph | 60% |
| noon | 79°F | 64°F | 60% | 14.4 mph | 47% |
| 3 p.m. | 78°F | 64°F | 61% | 15.7 mph | 39% |
| 6 p.m. | 74°F | 64°F | 70% | 12.1 mph | 43% |
| 9 p.m. | 70°F | 63°F | 79% | 9.3 mph | 60% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00022516. 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 Kahului?
The warmest January temperature on Kahului's official record (since 1954) is 90°F, on January 10, 1959; the coldest is 48°F, on January 20, 1969. The wettest January brought 14.46 in (1980).
The January mean against the 1991-2020 normal of 72.9°F: 2021 75.4°F (+2.5), 2022 73.2°F (+0.3), 2023 72.0°F (−0.9), 2024 73.6°F (+0.7), 2025 73.4°F (+0.5), 2026 73.4°F (+0.5). 5 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 75.4°F | +2.5°F | 3.72 in |
| 2022 | 73.2°F | +0.3°F | 0.08 in |
| 2023 | 72.0°F | −0.9°F | 4.81 in |
| 2024 | 73.6°F | +0.7°F | 5.07 in |
| 2025 | 73.4°F | +0.5°F | 4.05 in |
| 2026 | 73.4°F | +0.5°F | 0.69 in |
Source: records: ACIS, NWS threaded record OGGthr; recent months: ACIS, station USW00022516. Records and recent months use complete months only.
How does January in Kahului 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; Kahului's is 82°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.