Fern Acres, HI climate
Fern Acres has warm winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 77°, a January night drops to 56°, and snow is almost unheard of.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Fern Acres feels like
Winter
Spring
Summer
Fall
Fern Acres 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 | 74° | 56° | 13.1" | 0 | 17 | 0 |
| February | 72° | 56° | 15.8" | 0 | 20 | 0 |
| March | 73° | 57° | 22.9" | 0 | 26 | 0 |
| April | 73° | 58° | 22.0" | 0 | 28 | 0 |
| May | 75° | 59° | 15.0" | 0 | 25 | 0 |
| June | 76° | 60° | 18.1" | 0 | 27 | 0 |
| July | 77° | 62° | 19.0" | 0 | 28 | 0 |
| August | 77° | 62° | 23.5" | 0 | 29 | 0 |
| September | 78° | 61° | 16.1" | 0 | 26 | 0 |
| October | 77° | 61° | 18.2" | 0 | 27 | 0 |
| November | 75° | 59° | 23.1" | 0 | 25 | 0 |
| December | 74° | 57° | 22.3" | 0 | 23 | 0 |
| Year | 75° | 59° | 229.1" | 0.0" | 301 | 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 Fern Acres
Fern Acres gets 229 inches of rain and melted snow a year. August is the wettest month and January the driest. Rain or snow falls on about 301 days a year.
A year-round growing season
Heating and cooling a home in Fern Acres
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Fern Acres, 16% of that work is heating and 84% 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.
Fern Acres and its neighbors
Fern Acres borders 3 towns with climate data. January nights across them vary by 0.0°. Mountain View has both the coldest January nights (56°) and the hottest July afternoons (77°). Fern Acres’s January low is 56° and its July high 77°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Fern Acres compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Common questions about Fern Acres’s climate
What is the coldest month in Fern Acres?
February, with a typical high of 72° and a low of 56°.
What is the hottest month in Fern Acres?
September, with a typical high of 78° and a low of 61°.
How much snow does Fern Acres get?
Almost none. A normal year brings 0.0 inches.
When is the first frost in Fern Acres?
Frost is uncommon. Only 0% of years see a night at 32° or below.
What is the rainiest month in Fern Acres?
August, with 23.5 inches of rain and melted snow. The year totals 229 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 Glenwood #2 55.4, HI (4 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020.