Mahinahina sits near the top of U.S. towns for mild winters
On a normal July day the thermometer tops out near 86°. By precipitation alone, it ranks drier than 86% of U.S. towns. A year here swings 21° from midwinter lows to midsummer highs. Comfortable outdoor weather lasts from November to May, with highs of 79–83°.
A year in Mahinahina at a glance
Each month’s typical high and low, and what it brings.
What stands out about Mahinahina’s climate
Compared with towns across the U.S., with Mahinahina’s place in Hawaii beside it.
What a year in Mahinahina 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 Kapalua-w Maui Airport 462.4, 1.2 miles from the town’s center, 380 ft lower.
The 2023 USDA map puts Mahinahina’s center in zone 12b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 58°. Plant labels use the zone; frost dates tell you when to plant.
90° days by month
Average days at 90° or more
About 28 inches of rain a year
March 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 Mahinahina 466, HI, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Mahinahina
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 Kapalua-w Maui Airport 462.4.
Living with Mahinahina’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, November and December. 16 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Mahinahina from natural hazards, tsunamis are the largest share (47%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Mahinahina and its neighbors
Kaanapali has the coldest January nights next door (64°, 2° 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 Mahinahina’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 |
|---|---|---|---|---|
| Mahinahina, HI | 66° | 86° | 28" | 0.0" |
| Key West, FL | 65° | 90° | 42" | 0.0" |
| Port Isabel, TX | 52° | 92° | 26" | 0.2" |
| Topanga, CA | 48° | 84° | 20" | 0.0" |
| Winston, OR | 37° | 86° | 33" | 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 Mahinahina compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Mahinahina’s place among Hawaii’s.
Mahinahina weather by month
Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Mahinahina 466, HI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 79° | 66° | 3.5" | 0.0" | 12 | 0 |
| February | 79° | 66° | 2.4" | 0.0" | 13 | 0 |
| March | 79° | 66° | 3.9" | 0.0" | 16 | 0 |
| April | 81° | 68° | 2.2" | 0.0" | 17 | 0 |
| May | 83° | 69° | 1.5" | 0.0" | 14 | 0 |
| June | 85° | 70° | 1.1" | 0.0" | 17 | 0 |
| July | 86° | 72° | 1.6" | 0.0" | 18 | 0 |
| August | 86° | 72° | 1.4" | 0.0" | 16 | 0 |
| September | 87° | 72° | 1.2" | 0.0" | 13 | 0 |
| October | 85° | 71° | 2.2" | 0.0" | 13 | 0 |
| November | 82° | 70° | 2.9" | 0.0" | 16 | 0 |
| December | 80° | 68° | 3.9" | 0.0" | 17 | 0 |
| Year | 83° | 69° | 27.8" | 0.0" | 182 | 0 |
Where Mahinahina’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: Mahinahina 466, HI (NOAA station in town).
- Frost, freezing nights, 90° and 100° days, heating and cooling: Kapalua-w Maui Airport 462.4, 1.2 miles from the town’s center, 380 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 Mahinahina’s climate
What is the weather like in Mahinahina?
A typical July afternoon reaches 86°, a January night drops to 66°, and snow is almost unheard of. Milder January nights than all but 30 U.S. towns; hotter July afternoons than 54% of U.S. towns.
How cold does it get in Mahinahina in winter?
January nights average 66°. A night at 32° or below comes in only some winters (0.0 a year on average).
How much snow does Mahinahina get?
About 0.0 inches in a normal winter at Mahinahina 466, HI, so most winters see none.
How hot does it get in Mahinahina?
July, with a typical high of 86° and a low of 72°. About 10 days a year reach 90° (Kapalua-w Maui Airport 462.4).
When is the first and last frost in Mahinahina?
Most years have no frost at all: a 32° night comes in about 0% of winters at Kapalua-w Maui Airport 462.4, usually in December or January.
What growing zone is Mahinahina in?
Zone 12b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 58°.
What is the best time of year to visit Mahinahina?
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 Mahinahina.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.