Haleiwa, HI weather in January
In January, Haleiwa sees highs around 78°F and lows around 62°F: mild and often humid, with rain on most days. Expect about 19 wet days. Pack rain gear.
- Normal high
- 78°F
- Normal low
- 62°F
- Wet days
- 19
- 4.7 in total
- Muggy days
- 10
- dew point 65°F+
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 78°F | 78°F |
| Normal low | 63°F | 62°F |
| Chance of a wet day | 68% | 61% |
| Sunrise / sunset | 7:10 am / 6:01 pm | 7:10 am / 6:21 pm |
| Daylight | 10.8 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 (22 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°F6 of 31
- Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph8 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 snow19 of 31
- Notable rainat least 0.10 in9 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 4.7 in; a dry January brings about 2.2 in and a wet one about 6.7 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How January varies from year to year
- Warmest January, 1991-20202001: average high 81°F
- Coolest January2013: average high 76°F
- Wettest January1997: 11.6 in
- Driest January1992: 1.9 in
- Highest reading88°F (January 22, 2014)
- Lowest reading47°F (January 14, 1993)
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 | 78°F | 79°F |
| Normal low | 65°F | 62°F | 62°F |
| Wet days | 25 | 19 | 17 |
| Comfortable days | 3 | 6 | 7 |
| Daylight | 10.8 h | 11.0 h | 11.4 h |
Highs change by -1°F from December and +1°F into February.
Nearby alternatives in January
- Drier: Honolulu, HI25 mi · high 81°F · 8 wet days
How Haleiwa ranks in January
- Normal high7th warmest of 378 cities; 7th of 7 in Hawaii
- Wet days369th driest of 378
- Comfortable days119th most of 339
What to pack for Haleiwa in January
- A rain jacket or umbrella – rain on about 19 days
Heating and cooling
January has 1 heating degree days and 164 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Haleiwa in January?
The normal high is 78°F and the normal low is 62°F. From 1991 to 2020 the hottest January reading was 88°F (most recently on January 22, 2014).
Does it rain a lot in Haleiwa in January?
About 19 days in January have at least 0.01 in of precipitation, and the normal total is 4.7 in. The wettest January in 1991-2020 was in 1997 (11.6 in); the driest was in 1992 (1.9 in).
Is January a good time to visit Haleiwa?
January ranks 2nd of 12 months on our comfort score for Haleiwa (51 out of 100). It has about 6 comfortable days. The best months are January, February and March.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Waimea Valley 892.2 (USC00519603), 5.0 mi NE of the city center, 41 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Honolulu Intl Airport (USW00022521), 22 mi SSE of the city center, 7 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Honolulu International Airport (911820-22521), 21 mi SSE of the city center, 6 ft . Hourly observations, 1991-2020.