Keauhou Holua Slide · Photo: W Nowicki · CC BY 3.0Few U.S. towns have milder winter nights than Kahaluu-Keauhou
The warmest part of a July day comes in at 86° on average. It is a dry place: less rain and snow fall here than on 97% of U.S. towns. The wettest month is January; the driest is July. Picnics, hikes and garden evenings come into their own from December to May, with highs of 81–84°.
A year in Kahaluu-Keauhou at a glance
Each month’s typical high and low, and what it brings.
What stands out about Kahaluu-Keauhou’s climate
Compared with towns across the U.S., with Kahaluu-Keauhou’s place in Hawaii beside it.
What a year in Kahaluu-Keauhou 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 Ke-ahole Pt 68.13, HI, 13 miles from the town’s center, 360 ft lower.
The 2023 USDA map puts Kahaluu-Keauhou’s center in zone 12b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 59°. Plant labels use the zone; frost dates tell you when to plant.
90° days by month
Average days at 90° or more
About 10 inches of rain a year
January is the wettest month and July the driest. Rain falls on about 57 days a year. Snow is rare: about 0.0" in a normal year at Honokohau Harbor 68.14, HI, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Kahaluu-Keauhou
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 Ke-ahole Pt 68.13, HI.
Living with Kahaluu-Keauhou’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 12b. 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 and December. 4.3 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Kahaluu-Keauhou from natural hazards, earthquakes are the largest share (45%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Kahaluu-Keauhou and its neighbors
Every town next door is within a degree of Kahaluu-Keauhou in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Kahaluu-Keauhou’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 |
|---|---|---|---|---|
| Kahaluu-Keauhou, HI | 69° | 86° | 10" | 0.0" |
| Hacienda Heights, CA | 47° | 87° | 14" | 0.0" |
| Port Isabel, TX | 52° | 92° | 26" | 0.2" |
| Key West, FL | 65° | 90° | 42" | 0.0" |
| Green, OR | 37° | 86° | 32" | 0.0" |
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 Kahaluu-Keauhou compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Kahaluu-Keauhou’s place among Hawaii’s.
Kahaluu-Keauhou weather by month
Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Honokohau Harbor 68.14, HI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 81° | 69° | 1.4" | 0.0" | 4 | 0 |
| February | 82° | 68° | 1.2" | 0.0" | 3 | 0 |
| March | 82° | 70° | 1.0" | 0.0" | 5 | 0 |
| April | 83° | 71° | 0.6" | 0.0" | 4 | 0 |
| May | 84° | 73° | 0.6" | 0.0" | 6 | 0 |
| June | 85° | 74° | 0.8" | 0.0" | 6 | 0 |
| July | 86° | 75° | 0.5" | 0.0" | 5 | 0 |
| August | 87° | 76° | 0.5" | 0.0" | 5 | 0 |
| September | 87° | 75° | 0.5" | 0.0" | 6 | 0 |
| October | 86° | 75° | 0.9" | 0.0" | 4 | 0 |
| November | 84° | 72° | 0.8" | 0.0" | 4 | 0 |
| December | 82° | 70° | 1.1" | 0.0" | 4 | 0 |
| Year | 84° | 72° | 9.9" | 0.0" | 57 | 0 |
Where Kahaluu-Keauhou’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: Honokohau Harbor 68.14, HI.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Ke-ahole Pt 68.13, HI, 13 miles from the town’s center, 360 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 Kahaluu-Keauhou’s climate
What is the weather like in Kahaluu-Keauhou?
A typical July afternoon reaches 86°, a January night drops to 69°, and snow is almost unheard of. Milder January nights: first of 12,954 U.S. towns; hotter July afternoons than 56% of U.S. towns.
How cold does it get in Kahaluu-Keauhou in winter?
February nights average 68°. A night at 32° or below comes in only some winters (0.0 a year on average).
How much snow does Kahaluu-Keauhou get?
About 0.0 inches in a normal winter at Honokohau Harbor 68.14, HI, so most winters see none.
How hot does it get in Kahaluu-Keauhou?
July, with a typical high of 86° and a low of 75°. About 3 days a year reach 90° (Ke-ahole Pt 68.13, HI).
When is the first and last frost in Kahaluu-Keauhou?
Most years have no frost at all: a 32° night comes in about 0% of winters at Ke-ahole Pt 68.13, HI, usually in December or January.
What growing zone is Kahaluu-Keauhou in?
Zone 12b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 59°.
What is the best time of year to visit Kahaluu-Keauhou?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, May 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 Kahaluu-Keauhou.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.