Kahuku, HI climate
Kahuku has warm winters and pleasant summers. A typical July afternoon reaches 82°, a January night drops to 66°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Kahuku feels like
Winter
Spring
Summer
Fall
Kahuku 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 | 77° | 66° | 2.8" | 0 | 14 | 0 |
| February | 77° | 66° | 3.3" | 0 | 13 | 0 |
| March | 77° | 67° | 3.9" | 0 | 17 | 0 |
| April | 78° | 69° | 2.0" | 0 | 16 | 0 |
| May | 80° | 70° | 2.0" | 0 | 14 | 0 |
| June | 81° | 73° | 1.5" | 0 | 17 | 0 |
| July | 82° | 73° | 1.8" | 0 | 18 | 0 |
| August | 83° | 75° | 2.0" | 0 | 17 | 0 |
| September | 83° | 74° | 2.3" | 0 | 16 | 0 |
| October | 82° | 73° | 3.1" | 0 | 16 | 0 |
| November | 80° | 71° | 4.1" | 0 | 18 | 0 |
| December | 78° | 69° | 4.0" | 0 | 18 | 0 |
| Year | 80° | 70° | 32.6" | 0.0" | 192 | 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 Kahuku
Kahuku gets 33 inches of rain and melted snow a year. November is the wettest month and June the driest. Rain or snow falls on about 192 days a year.
A year-round growing season
Heating and cooling a home in Kahuku
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Kahuku, 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 Kahuku compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Common questions about Kahuku’s climate
What is the coldest month in Kahuku?
February, with a typical high of 77° and a low of 66°.
What is the hottest month in Kahuku?
September, with a typical high of 83° and a low of 74°. About 4 days a year reach 90°.
How much snow does Kahuku get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Kahuku?
Frost is uncommon. Only 0% of years see a night at 32° or below.
What is the rainiest month in Kahuku?
November, with 4.1 inches of rain and melted snow. The year totals 33 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 Kii-kahuku 911, HI (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020.