Acorn, AR climate
Acorn has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 90°, a January night drops to 29°, and about 4 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Acorn feels like
Winter
Spring
Summer
Fall
Acorn 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 | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 50° | 29° | 3.8" | 0.8" | 10 | 0 | 35° – 46° |
| February | 55° | 32° | 3.8" | 1.8" | 10 | 1 | 36° – 52° |
| March | 63° | 39° | 5.1" | 0.8" | 11 | 0 | 45° – 60° |
| April | 71° | 47° | 5.6" | 0 | 10 | 0 | 54° – 65° |
| May | 78° | 56° | 6.6" | 0 | 11 | 0 | 64° – 73° |
| June | 86° | 64° | 4.7" | 0 | 10 | 0 | 71° – 80° |
| July | 90° | 68° | 4.1" | 0 | 10 | 0 | 74° – 84° |
| August | 90° | 67° | 4.1" | 0 | 8 | 0 | 72° – 84° |
| September | 84° | 60° | 4.4" | 0 | 8 | 0 | 68° – 79° |
| October | 73° | 48° | 4.7" | 0 | 9 | 0 | 55° – 67° |
| November | 61° | 39° | 5.0" | 0 | 10 | 0 | 43° – 56° |
| December | 52° | 31° | 4.8" | 0.6" | 10 | 0 | 32° – 48° |
| Year | 71° | 48° | 56.6" | 4.0" | 117 | 1 |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Acorn
Acorn gets 57 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 117 days a year.
About 208 frost-free days a year
In half of years the last 32° night comes by April 5 and the first one by November 1. That leaves about 208 frost-free days for gardens, longer than 77% of U.S. towns.
Heating and cooling a home in Acorn
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Acorn, 70% of that work is heating and 30% is cooling.
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 Acorn compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Acorn averaged 0.6° warmer than the 1900s. The biggest change is in December (+1.4°). The shift is smaller than in 93% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Acorn’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 36° to 52°. May is the most reliable, staying within 9°.
Common questions about Acorn’s climate
What is the coldest month in Acorn?
January, with a typical high of 50° and a low of 29°.
What is the hottest month in Acorn?
July, with a typical high of 90° and a low of 68°. About 46 days a year reach 90°.
How much snow does Acorn get?
About 4 inches in a normal winter, most of it in February.
When is the first frost in Acorn?
In half of years the first 32° night comes by November 1, and the last spring frost by April 5.
What is the rainiest month in Acorn?
May, with 6.6 inches of rain and melted snow. The year totals 57 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Acorn itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mena, AR (6 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.