Kealakekua Bay Historical District · Photo: Nnachappa64 · CC BY-SA 4.0Honaunau-Napoopoo sits near the top of U.S. towns for mild winters
July afternoons average 77°. Summers stay cool: July afternoons here are cooler than in 97% of U.S. towns. From frosty January to warm July, readings climb 21°. Plan time outside from January to December, when highs sit at 74–78°.
A year in Honaunau-Napoopoo at a glance
Each month’s typical high and low, and what it brings.
What stands out about Honaunau-Napoopoo’s climate
Compared with towns across the U.S., with Honaunau-Napoopoo’s place in Hawaii beside it.
What a year in Honaunau-Napoopoo feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
Frost is rare
Frost dates and degree days from Opihihale #2 24.1, HI, 13 miles away.
The 2023 USDA map puts Honaunau-Napoopoo’s center in zone 11b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 46°. Plant labels use the zone; frost dates tell you when to plant.
About 36 inches of rain a year
September is the wettest month and February the driest. Rain falls on about 135 days a year. Snow is rare: about 0.0" in a normal year at Lanihau 68.2, HI, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Honaunau-Napoopoo
5% 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 Opihihale #2 24.1, HI.
Living with Honaunau-Napoopoo’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
Zone 11b. 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, August, September, October, November and December. 25 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Honaunau-Napoopoo from natural hazards, river flooding is the largest share (57%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Honaunau-Napoopoo and similar climates
TownRatings has no climate map of the towns around Honaunau-Napoopoo yet.
Climates most like Honaunau-Napoopoo’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 |
|---|---|---|---|---|
| Honaunau-Napoopoo, HI | 57° | 77° | 36" | 0.0" |
| Fairfax, CA | 41° | 76° | 38" | 0.0" |
| Seattle, WA | 37° | 77° | 38" | 3.8" |
| Tualatin, OR | 36° | 81° | 40" | 1.0" |
| Islamorada, Village of Islands, FL | 64° | 89° | 45" | 0.0" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
How Honaunau-Napoopoo compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Honaunau-Napoopoo’s place among Hawaii’s.
Honaunau-Napoopoo weather by month
Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Lanihau 68.2, HI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 74° | 57° | 2.4" | 0.0" | 6 | 0 |
| February | 74° | 57° | 2.1" | 0.0" | 6 | 0 |
| March | 74° | 58° | 3.0" | 0.0" | 10 | 0 |
| April | 74° | 60° | 2.5" | 0.0" | 12 | 0 |
| May | 75° | 61° | 3.2" | 0.0" | 15 | 0 |
| June | 75° | 63° | 2.8" | 0.0" | 19 | 0 |
| July | 77° | 64° | 3.3" | 0.0" | 17 | 0 |
| August | 78° | 64° | 3.4" | 0.0" | 13 | 0 |
| September | 77° | 63° | 4.7" | 0.0" | 12 | 0 |
| October | 77° | 62° | 3.7" | 0.0" | 11 | 0 |
| November | 76° | 61° | 2.4" | 0.0" | 8 | 0 |
| December | 75° | 58° | 2.5" | 0.0" | 6 | 0 |
| Year | 76° | 61° | 36.1" | 0.0" | 135 | 0 |
Where Honaunau-Napoopoo’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: Lanihau 68.2, HI.
- Frost dates, heating and cooling: Opihihale #2 24.1, HI, 13 miles away.
- 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 Honaunau-Napoopoo’s climate
What is the weather like in Honaunau-Napoopoo?
A typical July afternoon reaches 77°, a January night drops to 57°, and snow is almost unheard of. Milder January nights than all but 162 U.S. towns; cooler July afternoons than 97% of U.S. towns.
How cold does it get in Honaunau-Napoopoo in winter?
February nights average 57°. A night at 32° or below comes in only some winters (0.0 a year on average).
How much snow does Honaunau-Napoopoo get?
About 0.0 inches in a normal winter at Lanihau 68.2, HI, so most winters see none.
How hot does it get in Honaunau-Napoopoo?
July, with a typical high of 77°. 90° days are rare: none in a normal year at Opihihale #2 24.1, HI.
When is the first and last frost in Honaunau-Napoopoo?
Most years have no frost at all: a 32° night comes in about 0% of winters at Opihihale #2 24.1, HI, usually in December or January.
What growing zone is Honaunau-Napoopoo in?
Zone 11b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 46°.
What is the best time of year to visit Honaunau-Napoopoo?
By one simple rule (highs of 62–84° and lows of 40° or more), January, February, March, April, May, June, July, August, September, 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 Honaunau-Napoopoo.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.