Few U.S. towns have milder winter nights than Kalaheo
July afternoons average 86°. December is the wettest month here, with about 7.0 times the rain of June. Its yearly precipitation falls short of 88% of U.S. towns. Garden chairs stay out from November to May, the months with highs of 80–83°.
A year in Kalaheo at a glance
Each month’s typical high and low, and what it brings.
What stands out about Kalaheo’s climate
Compared with towns across the U.S., with Kalaheo’s place in Hawaii beside it.
What a year in Kalaheo 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 Princeville Rch 1117, HI, 21 miles from the town’s center, 420 ft lower.
The 2023 USDA map puts Kalaheo’s center in zone 12a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 54°. Plant labels use the zone; frost dates tell you when to plant.
90° days by month
Average days at 90° or more
About 23 inches of rain a year
December is the wettest month and June the driest. Rain falls on about 98 days a year. Snow is rare: about 0.0" in a normal year at Makaweli 965, HI, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Kalaheo
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 Princeville Rch 1117, HI.
Living with Kalaheo’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, April, May, November and December. 1.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Kalaheo from natural hazards, river flooding is the largest share (86%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Kalaheo and similar climates
TownRatings has no climate map of the towns around Kalaheo yet.
Climates most like Kalaheo’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 |
|---|---|---|---|---|
| Kalaheo, HI | 64° | 86° | 23" | 0.0" |
| Port Isabel, TX | 52° | 92° | 26" | 0.2" |
| Topanga, CA | 48° | 84° | 20" | 0.0" |
| Key West, FL | 65° | 90° | 42" | 0.0" |
| Green, OR | 37° | 86° | 32" | 0.0" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
How Kalaheo compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Kalaheo’s place among Hawaii’s.
Kalaheo weather by month
Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Makaweli 965, HI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 80° | 64° | 2.1" | 0.0" | 9 | 0 |
| February | 80° | 65° | 2.4" | 0.0" | 9 | 0 |
| March | 80° | 65° | 3.9" | 0.0" | 8 | 0 |
| April | 81° | 67° | 1.3" | 0.0" | 8 | 0 |
| May | 83° | 69° | 1.4" | 0.0" | 7 | 0 |
| June | 85° | 71° | 0.6" | 0.0" | 9 | 0 |
| July | 86° | 72° | 0.7" | 0.0" | 7 | 0 |
| August | 87° | 72° | 0.7" | 0.0" | 7 | 0 |
| September | 87° | 72° | 1.2" | 0.0" | 9 | 0 |
| October | 86° | 71° | 2.9" | 0.0" | 9 | 0 |
| November | 83° | 69° | 2.1" | 0.0" | 9 | 0 |
| December | 81° | 67° | 4.2" | 0.0" | 9 | 0 |
| Year | 83° | 69° | 23.4" | 0.0" | 98 | 0 |
Where Kalaheo’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: Makaweli 965, HI.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Princeville Rch 1117, HI, 21 miles from the town’s center, 420 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 Kalaheo’s climate
What is the weather like in Kalaheo?
A typical July afternoon reaches 86°, a January night drops to 64°, and snow is almost unheard of. Milder January nights than all but 52 U.S. towns; hotter July afternoons than 57% of U.S. towns.
How cold does it get in Kalaheo 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 Kalaheo get?
About 0.0 inches in a normal winter at Makaweli 965, HI, so most winters see none.
How hot does it get in Kalaheo?
July, with a typical high of 86° and a low of 72°. About 10 days a year reach 90° (Princeville Rch 1117, HI).
When is the first and last frost in Kalaheo?
Most years have no frost at all: a 32° night comes in about 0% of winters at Princeville Rch 1117, HI, usually in December or January.
What growing zone is Kalaheo in?
Zone 12a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 54°.
What is the best time of year to visit Kalaheo?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, May, November 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 Kalaheo.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.