Heeia has some of the mildest winter nights among U.S. towns
On a normal July day the thermometer tops out near 84°. Temperatures cover 19° across the year, low to high. Its yearly precipitation tops that of 86% of U.S. towns. Long walks are most pleasant from October to July, when afternoons reach 78–84°.
A year in Heeia at a glance
Each month’s typical high and low, and what it brings.
What stands out about Heeia’s climate
Compared with towns across the U.S., with Heeia’s place in Hawaii beside it.
What a year in Heeia 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 Kaneohe 838.1, HI, 1.1 miles from the town’s center, 190 ft lower.
The 2023 USDA map puts Heeia’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 51 inches of rain a year
March is the wettest month and July the driest. Rain falls on about 273 days a year. Snow is rare: about 0.0" in a normal year at Kalihi Rsch Site 777, HI, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Heeia
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 Kaneohe 838.1, HI.
Living with Heeia’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, June, July, October, November and December. 0.1 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Heeia from natural hazards, river flooding is the largest share (75%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Heeia and its neighbors
Ahuimanu 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 Heeia’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 |
|---|---|---|---|---|
| Heeia, HI | 66° | 84° | 51" | 0.0" |
| Key Largo, FL | 62° | 89° | 52" | 0.0" |
| Galveston, TX | 48° | 89° | 52" | 0.1" |
| Cut Off, LA | 46° | 90° | 63" | 0.0" |
| Gulf Shores, AL | 44° | 90° | 62" | 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 Heeia compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Heeia’s place among Hawaii’s.
Heeia weather by month
Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Kalihi Rsch Site 777, HI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 78° | 66° | 4.4" | 0.0" | 18 | 0 |
| February | 78° | 67° | 5.5" | 0.0" | 18 | 0 |
| March | 79° | 67° | 6.5" | 0.0" | 21 | 0 |
| April | 80° | 69° | 3.2" | 0.0" | 23 | 0 |
| May | 82° | 70° | 3.3" | 0.0" | 23 | 0 |
| June | 83° | 72° | 2.7" | 0.0" | 25 | 0 |
| July | 84° | 73° | 2.5" | 0.0" | 27 | 0 |
| August | 84° | 74° | 3.2" | 0.0" | 25 | 0 |
| September | 85° | 74° | 3.5" | 0.0" | 24 | 0 |
| October | 84° | 72° | 4.6" | 0.0" | 25 | 0 |
| November | 81° | 71° | 6.0" | 0.0" | 23 | 0 |
| December | 79° | 69° | 5.6" | 0.0" | 21 | 0 |
| Year | 81° | 70° | 50.9" | 0.0" | 273 | 0 |
Where Heeia’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: Kalihi Rsch Site 777, HI.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Kaneohe 838.1, HI, 1.1 miles from the town’s center, 190 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 Heeia’s climate
What is the weather like in Heeia?
A typical July afternoon reaches 84°, a January night drops to 66°, and snow is almost unheard of. Milder January nights than all but 18 U.S. towns; cooler July afternoons than 62% of U.S. towns.
How cold does it get in Heeia 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 Heeia get?
About 0.0 inches in a normal winter at Kalihi Rsch Site 777, HI, so most winters see none.
How hot does it get in Heeia?
July, with a typical high of 84° and a low of 73°. About 3 days a year reach 90° (Kaneohe 838.1, HI).
When is the first and last frost in Heeia?
Most years have no frost at all: a 32° night comes in about 0% of winters at Kaneohe 838.1, HI, usually in December or January.
What growing zone is Heeia 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 Heeia?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, May, June, July, October, 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 Heeia.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.