Few U.S. towns get more rain and snow than Royal Hawaiian Estates: 96 inches a year
Midwinter brings lows of about 49°. In July, afternoons here are cooler than in almost every U.S. town. The year changes little: the coldest month’s nights and the warmest month’s afternoons are only 24° apart. The outdoor season runs from January to December, with highs of 68–74°.
A year in Royal Hawaiian Estates at a glance
Each month’s typical high and low, and what it brings.
What stands out about Royal Hawaiian Estates’ climate
Compared with towns across the U.S., with Royal Hawaiian Estates’ place in Hawaii State beside it.
What a year in Royal Hawaiian Estates 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 Glenwood #2 55.4, HI, 6 miles away.
The 2023 USDA map puts Royal Hawaiian Estates’ center in zone 11b: the coldest night of a typical winter, averaged over 1991–2020, reaches about 45°. Plant labels use the zone; frost dates tell you when to plant.
About 96 inches of rain a year
December is the wettest month and June the driest. Rain falls on about 295 days a year. Snow is rare: about 0.0" in a normal year at Hawaii Vol Np Hq 54, HI, so most winters see none.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Royal Hawaiian Estates
16% 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 Glenwood #2 55.4, HI.
Living with Royal Hawaiian Estates’ 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. 0.4 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Royal Hawaiian Estates from natural hazards, river flooding is the largest share (45%). Normals are averages; the hazards page covers the extremes.
Natural hazards →Royal Hawaiian Estates and its neighbors
Fern Forest the hottest July afternoons (77°, 4° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Royal Hawaiian Estates’, 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 |
|---|---|---|---|---|
| Royal Hawaiian Estates, HI | 49° | 73° | 96" | 0.0" |
| Tillamook, OR | 38° | 71° | 87" | 0.2" |
| Hoquiam, WA | 37° | 68° | 81" | 0.5" |
| Crescent City, CA | 42° | 64° | 69" | 0.0" |
| Brevard, NC | 27° | 83° | 69" | 7.1" |
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 Royal Hawaiian Estates compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Royal Hawaiian Estates’ place among Hawaii State’s.
Royal Hawaiian Estates weather by month
Highs, lows and precipitation from the nearest NOAA station; snow, wet days and snow on the ground from Hawaii Vol Np Hq 54, HI. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 68° | 49° | 8.8" | 0.0" | 22 | 0 |
| February | 68° | 49° | 8.2" | 0.0" | 20 | 0 |
| March | 68° | 51° | 10.3" | 0.0" | 25 | 0 |
| April | 68° | 52° | 9.2" | 0.0" | 26 | 0 |
| May | 71° | 53° | 6.5" | 0.0" | 25 | 0 |
| June | 71° | 54° | 5.1" | 0.0" | 25 | 0 |
| July | 73° | 56° | 6.3" | 0.0" | 26 | 0 |
| August | 74° | 56° | 5.9" | 0.0" | 25 | 0 |
| September | 73° | 55° | 6.0" | 0.0" | 24 | 0 |
| October | 72° | 55° | 8.2" | 0.0" | 25 | 0 |
| November | 70° | 54° | 10.6" | 0.0" | 26 | 0 |
| December | 68° | 52° | 11.4" | 0.0" | 25 | 0 |
| Year | 70° | 53° | 96.2" | 0.0" | 295 | 0 |
Where Royal Hawaiian Estates’ 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: Hawaii Vol Np Hq 54, HI.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Glenwood #2 55.4, HI, 6 miles from the town’s center, 760 ft lower; no station nearby passes every check; this is the nearest one in the same valley, flagged above.
- 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 Royal Hawaiian Estates’ climate
What is the weather like in Royal Hawaiian Estates?
A typical July afternoon reaches 73°, a January night drops to 49°, and snow is almost unheard of. Milder January nights than 96% of U.S. towns; cooler July afternoons than all but 126 U.S. towns.
How cold does it get in Royal Hawaiian Estates in winter?
February nights average 49°. A night at 32° or below comes in only some winters (0.0 a year on average).
How much snow does Royal Hawaiian Estates get?
About 0.0 inches in a normal winter at Hawaii Vol Np Hq 54, HI, so most winters see none.
How hot does it get in Royal Hawaiian Estates?
July, with a typical high of 73°. 90° days are rare: none in a normal year at Glenwood #2 55.4, HI.
When is the first and last frost in Royal Hawaiian Estates?
Most years have no frost at all: a 32° night comes in about 0% of winters at Glenwood #2 55.4, HI, usually in December or January.
What growing zone is Royal Hawaiian Estates in?
Zone 11b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 45°.
What is the best time of year to visit Royal Hawaiian Estates?
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 Royal Hawaiian Estates.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.