Hanalei, HI climate
Hanalei has warm winters and warm summers, with plenty of rain. A typical July afternoon reaches 85°, a January night drops to 62°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Hanalei feels like
Winter
Spring
Summer
Fall
Hanalei weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground |
|---|---|---|---|---|---|---|
| January | 78° | 62° | 5.4" | 0 | 18 | 0 |
| February | 77° | 63° | 6.6" | 0 | 17 | 0 |
| March | 77° | 63° | 8.3" | 0 | 21 | 0 |
| April | 80° | 65° | 5.6" | 0 | 23 | 0 |
| May | 83° | 67° | 5.1" | 0 | 21 | 0 |
| June | 84° | 68° | 5.0" | 0 | 25 | 0 |
| July | 85° | 69° | 5.4" | 0 | 26 | 0 |
| August | 86° | 70° | 6.3" | 0 | 26 | 0 |
| September | 85° | 70° | 5.5" | 0 | 22 | 0 |
| October | 83° | 68° | 6.4" | 0 | 23 | 0 |
| November | 80° | 67° | 7.4" | 0 | 23 | 0 |
| December | 78° | 65° | 8.0" | 0 | 22 | 0 |
| Year | 81° | 66° | 75.2" | 0.0" | 266 | 0 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more.
Rain and snow in Hanalei
Hanalei gets 75 inches of rain and melted snow a year. March is the wettest month and June the driest. Rain or snow falls on about 266 days a year.
A year-round growing season
Heating and cooling a home in Hanalei
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Hanalei, 0% of that work is heating and 100% is cooling, so air conditioning is the bigger bill.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
How Hanalei compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Common questions about Hanalei’s climate
What is the coldest month in Hanalei?
January, with a typical high of 78° and a low of 62°.
What is the hottest month in Hanalei?
August, with a typical high of 86° and a low of 70°. About 10 days a year reach 90°.
How much snow does Hanalei get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Hanalei?
Frost is uncommon. Only 0% of years see a night at 32° or below.
What is the rainiest month in Hanalei?
March, with 8.3 inches of rain and melted snow. The year totals 75 inches.
NOAA’s gridded normals don’t cover this state, so temperatures and rainfall come from the nearest weather station. Snow, frost dates and day counts come from NOAA’s weather station at Princeville Rch 1117, HI (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020.