Photo: 293.xx.xxx.xx · CC BY-SA 3.0Hardly any U.S. towns see softer January nights than Haiku-Pauwela
High summer brings afternoon highs near 89°. December is the wettest month, June the driest. Precipitation is light here, less than falls on 92% of U.S. towns. Plan time outside from December to March, when highs sit at 82–83°.
A year in Haiku-Pauwela at a glance
Each month’s typical high and low, and what it brings.
What stands out about Haiku-Pauwela’s climate
Compared with towns across the U.S., with Haiku-Pauwela’s place in Hawaii beside it.
What a year in Haiku-Pauwela feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Frost is rare
Frost and day counts come from NOAA’s station at Kahului Airport, 8 miles from the town’s center, 450 ft lower.
The 2023 USDA map puts Haiku-Pauwela’s center in zone 12a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 55°. Plant labels use the zone; frost dates tell you when to plant.
90° days by month
Average days at 90° or more
About 16 inches of rain a year
December is the wettest month and June the driest. Rain falls on about 182 days a year. Snow is rare: about 0.0" in a normal year at Hamakuapoko 485, HI, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Haiku-Pauwela
0% of the work is heating, so air conditioning is the bigger bill. No month averages under 55°.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Kahului Airport.
Living with Haiku-Pauwela’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 12a. Frost almost never comes, so tender plants can often stay out through winter.
Months with highs of 62–84° and lows of 40° or more: January, February, March and December. 19 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Haiku-Pauwela from natural hazards, river flooding is the largest share (58%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Haiku-Pauwela and its neighbors
Makawao has the coldest January nights next door (53°, 11° colder). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Haiku-Pauwela’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Haiku-Pauwela, HI | 64° | 89° | 16" | 0.0" |
| Port Isabel, TX | 52° | 92° | 26" | 0.2" |
| Alhambra, CA | 47° | 87° | 17" | 0.0" |
| Key West, FL | 65° | 90° | 42" | 0.0" |
| Corona de Tucson, AZ | 36° | 96° | 14" | 0.1" |
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
How Haiku-Pauwela compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Haiku-Pauwela’s place among Hawaii’s.
Haiku-Pauwela weather by month
Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Hamakuapoko 485, HI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 82° | 64° | 2.4" | 0.0" | 12 | 0 |
| February | 82° | 64° | 2.0" | 0.0" | 12 | 0 |
| March | 83° | 65° | 2.6" | 0.0" | 17 | 0 |
| April | 85° | 67° | 1.3" | 0.0" | 16 | 0 |
| May | 87° | 68° | 0.7" | 0.0" | 13 | 0 |
| June | 88° | 70° | 0.2" | 0.0" | 16 | 0 |
| July | 89° | 72° | 0.5" | 0.0" | 18 | 0 |
| August | 90° | 72° | 0.5" | 0.0" | 17 | 0 |
| September | 90° | 71° | 0.5" | 0.0" | 14 | 0 |
| October | 89° | 70° | 0.8" | 0.0" | 14 | 0 |
| November | 86° | 68° | 1.8" | 0.0" | 17 | 0 |
| December | 83° | 66° | 2.8" | 0.0" | 16 | 0 |
| Year | 86° | 68° | 16.2" | 0.0" | 182 | 0 |
Where Haiku-Pauwela’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s 1991–2020 normals at the nearest station (NOAA’s grid doesn’t cover Hawaii).
- Snow: Hamakuapoko 485, HI.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Kahului Airport, 8 miles from the town’s center, 450 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Haiku-Pauwela’s climate
What is the weather like in Haiku-Pauwela?
A typical July afternoon reaches 89°, a January night drops to 64°, and snow is almost unheard of. Milder January nights than all but 61 U.S. towns; hotter July afternoons than 74% of U.S. towns.
How cold does it get in Haiku-Pauwela in winter?
January nights average 64°. A night at 32° or below comes in only some winters (0.0 a year on average).
How much snow does Haiku-Pauwela get?
About 0.0 inches in a normal winter at Hamakuapoko 485, HI, so most winters see none.
How hot does it get in Haiku-Pauwela?
July, with a typical high of 89° and a low of 72°. About 39 days a year reach 90° (Kahului Airport).
When is the first and last frost in Haiku-Pauwela?
Most years have no frost at all: a 32° night comes in about 0% of winters at Kahului Airport, usually in December or January.
What growing zone is Haiku-Pauwela in?
Zone 12a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 55°.
What is the best time of year to visit Haiku-Pauwela?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March and December. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Neighbors talk weather
Gardens, snow, and the best days of the year in Haiku-Pauwela.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.