Honolulu, HI weather in January
January in Honolulu: warm and often humid, with some rain. Highs 81°F, lows 67°F, about 8 wet days.
- Normal high
- 81°F
- Normal low
- 67°F
- Wet days
- 8
- 1.8 in total
- Muggy days
- 10
- dew point 65°F+
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 81°F | 80°F |
| Normal low | 67°F | 67°F |
| Chance of a wet day | 26% | 26% |
| Sunrise / sunset | 7:09 am / 6:00 pm | 7:09 am / 6:20 pm |
| Daylight | 10.9 h | 11.2 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 am69°Fdew point 63°F
- 9 am74°Fdew point 64°F
- Noon78°Fdew point 63°F
- 3 pm79°Fdew point 63°F
- 6 pm75°Fdew point 63°F
- 9 pm72°Fdew point 63°F
NOAA hourly normals (local standard time) from Honolulu Intl Airport (5 mi away); average wind 8 mph; clear or few clouds in 37% of daytime hours, mostly cloudy or overcast in 30%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F5 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph15 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more10 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in3 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 1.8 in; a dry January brings about 0.6 in and a wet one about 2.5 in (25th and 75th percentiles). About 1 day brings half an inch or more.
How January varies from year to year
- Warmest January, 1991-20201996: average high 84°F
- Coolest January2000: average high 79°F
- Wettest January1997: 6.9 in
- Driest January2016: 0.03 in
- Highest reading88°F (January 21, 1996)
- Lowest reading53°F (January 31, 1998)
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 | 82°F | 81°F | 81°F |
| Normal low | 69°F | 67°F | 67°F |
| Wet days | 9 | 8 | 8 |
| Comfortable days | 2 | 5 | 6 |
| Daylight | 10.9 h | 11.0 h | 11.4 h |
Highs change by -1°F from December and 0°F into February.
Nearby alternatives in January
- Drier: Kailua-Kona, HI167 mi · high 81°F · 4 wet days
How Honolulu ranks in January
- Normal high3rd warmest of 378 cities; 3rd of 7 in Hawaii
- Wet days125th driest of 378
- Comfortable days128th most of 339
What to pack for Honolulu in January
- A swimsuit – about 15 beach days
Heating and cooling
January has 0 heating degree days and 268 cooling degree days (base 65°F), 6% of the year's total heating and cooling demand.
Questions
How hot is Honolulu in January?
The normal high is 81°F and the normal low is 67°F. From 1991 to 2020 the hottest January reading was 88°F (January 21, 1996).
Does it rain a lot in Honolulu in January?
About 8 days in January have at least 0.01 in of precipitation, and the normal total is 1.8 in. The wettest January in 1991-2020 was in 1997 (6.9 in); the driest was in 2016 (0.03 in).
Is January a good time to visit Honolulu?
January ranks 3rd of 12 months on our comfort score for Honolulu (54 out of 100). It has about 5 comfortable days. The best months are February, March and June.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Honolulu Intl Airport (USW00022521), 4.7 mi WNW of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Beretania Pump Stn 705 (USC00510211), 0.3 mi E of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Honolulu International Airport (911820-22521), 5.3 mi WNW of the city center, 6 ft . Hourly observations, 1991-2020.