Photo: InSapphoWeTrust from Los Angeles, California, USA · CC BY-SA 2.0Makaha Valley has some of the mildest winter nights among U.S. towns
Sunny July days climb to about 85°. Winter and summer sit 21° apart. It is a dry place: less rain and snow fall here than on 89% of U.S. towns. Garden chairs stay out from November to June, the months with highs of 78–83°.
A year in Makaha Valley at a glance
Each month’s typical high and low, and what it brings.
What stands out about Makaha Valley’s climate
Compared with towns across the U.S., with Makaha Valley’s place in Hawaii beside it.
What a year in Makaha Valley 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 Poamoho Exp Fm 855.2, HI, 7 miles from the town’s center, 120 ft lower.
The 2023 USDA map puts Makaha Valley’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 22 inches of rain a year
December is the wettest month and July the driest. Rain falls on about 60 days a year. Snow is rare: about 0.0" in a normal year at Waianae 798, HI, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Makaha Valley
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 Poamoho Exp Fm 855.2, HI.
Living with Makaha Valley’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, June, November and December. 0.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Makaha Valley from natural hazards, wildfire is the largest share (60%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Makaha Valley and its neighbors
Every town next door is within a degree of Makaha Valley in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Makaha Valley’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 |
|---|---|---|---|---|
| Makaha Valley, HI | 65° | 85° | 22" | 0.0" |
| Topanga, CA | 48° | 84° | 20" | 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 Makaha Valley compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Makaha Valley’s place among Hawaii’s.
Makaha Valley weather by month
Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Waianae 798, HI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 79° | 65° | 3.2" | 0.0" | 7 | 0 |
| February | 78° | 64° | 2.3" | 0.0" | 7 | 0 |
| March | 79° | 65° | 2.7" | 0.0" | 6 | 0 |
| April | 80° | 66° | 1.4" | 0.0" | 4 | 0 |
| May | 82° | 68° | 1.6" | 0.0" | 4 | 0 |
| June | 83° | 69° | 0.8" | 0.0" | 4 | 0 |
| July | 85° | 70° | 0.5" | 0.0" | 4 | 0 |
| August | 86° | 70° | 0.7" | 0.0" | 4 | 0 |
| September | 85° | 70° | 0.9" | 0.0" | 5 | 0 |
| October | 85° | 70° | 1.9" | 0.0" | 5 | 0 |
| November | 82° | 69° | 2.5" | 0.0" | 6 | 0 |
| December | 80° | 67° | 3.2" | 0.0" | 6 | 0 |
| Year | 82° | 68° | 21.8" | 0.0" | 60 | 0 |
Where Makaha Valley’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: Waianae 798, HI.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Poamoho Exp Fm 855.2, HI, 7 miles from the town’s center, 120 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 Makaha Valley’s climate
What is the weather like in Makaha Valley?
A typical July afternoon reaches 85°, a January night drops to 65°, and snow is almost unheard of. Milder January nights than all but 32 U.S. towns; cooler July afternoons than 51% of U.S. towns.
How cold does it get in Makaha Valley in winter?
February nights average 64°. A night at 32° or below comes in only some winters (0.0 a year on average).
How much snow does Makaha Valley get?
About 0.0 inches in a normal winter at Waianae 798, HI, so most winters see none.
How hot does it get in Makaha Valley?
July, with a typical high of 85° and a low of 70°. About 7 days a year reach 90° (Poamoho Exp Fm 855.2, HI).
When is the first and last frost in Makaha Valley?
Most years have no frost at all: a 32° night comes in about 0% of winters at Poamoho Exp Fm 855.2, HI, usually in December or January.
What growing zone is Makaha Valley 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 Makaha Valley?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, May, June, 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 Makaha Valley.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.