Haleiwa, HI climate
Haleiwa 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 Haleiwa feels like
Winter
Spring
Summer
Fall
Haleiwa 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° | 4.7" | 0 | 19 | 0 |
| February | 79° | 62° | 4.0" | 0 | 17 | 0 |
| March | 79° | 64° | 5.6" | 0 | 21 | 0 |
| April | 81° | 65° | 4.2" | 0 | 21 | 0 |
| May | 83° | 67° | 3.6" | 0 | 19 | 0 |
| June | 84° | 69° | 3.5" | 0 | 23 | 0 |
| July | 85° | 70° | 3.9" | 0 | 24 | 0 |
| August | 86° | 70° | 3.2" | 0 | 23 | 0 |
| September | 86° | 70° | 3.3" | 0 | 21 | 0 |
| October | 84° | 69° | 4.4" | 0 | 23 | 0 |
| November | 81° | 67° | 6.1" | 0 | 24 | 0 |
| December | 79° | 65° | 5.5" | 0 | 25 | 0 |
| Year | 82° | 67° | 52.0" | 0.0" | 260 | 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 Haleiwa
Haleiwa gets 52 inches of rain and melted snow a year. November is the wettest month and August the driest. Rain or snow falls on about 260 days a year.
A year-round growing season
Heating and cooling a home in Haleiwa
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Haleiwa, 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.
Haleiwa and its neighbors
Haleiwa borders 2 towns with climate data. January nights across them vary by 0.2°. Pupukea has both the coldest January nights (62°) and the hottest July afternoons (85°). Haleiwa’s January low is 62° and its July high 85°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Haleiwa compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Common questions about Haleiwa’s climate
What is the coldest month in Haleiwa?
February, with a typical high of 79° and a low of 62°.
What is the hottest month in Haleiwa?
August, with a typical high of 86° and a low of 70°. About 14 days a year reach 90°.
How much snow does Haleiwa get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Haleiwa?
Frost is uncommon. Only 0% of years see a night at 32° or below.
What is the rainiest month in Haleiwa?
November, with 6.1 inches of rain and melted snow. The year totals 52 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 Waimea Valley 892.2, HI (4 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020.