Altheimer, AR climate
Altheimer has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 92°, a January night drops to 33°, and about 3 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decade13° warmer than normal today. The forecast high is 94°, and a typical Sep 30 in Altheimer peaks around 81°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Altheimer feels like
Winter
Spring
Summer
Fall
Altheimer 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 | 51° | 33° | 3.9" | 1.1" | 9 | 1 | 37° – 49° |
| February | 56° | 36° | 4.4" | 0.9" | 8 | 1 | 37° – 54° |
| March | 65° | 43° | 5.2" | 0.3" | 10 | 0 | 48° – 64° |
| April | 74° | 52° | 5.5" | 0 | 9 | 0 | 57° – 68° |
| May | 81° | 61° | 5.1" | 0 | 9 | 0 | 68° – 76° |
| June | 89° | 69° | 3.5" | 0 | 7 | 0 | 75° – 84° |
| July | 92° | 72° | 3.5" | 0 | 8 | 0 | 77° – 85° |
| August | 91° | 70° | 3.4" | 0 | 6 | 0 | 75° – 85° |
| September | 86° | 63° | 3.2" | 0 | 6 | 0 | 71° – 81° |
| October | 75° | 51° | 4.4" | 0 | 7 | 0 | 59° – 68° |
| November | 63° | 42° | 4.3" | 0 | 9 | 0 | 47° – 57° |
| December | 54° | 35° | 5.3" | 0.2" | 9 | 0 | 33° – 52° |
| Year | 73° | 52° | 51.6" | 2.5" | 97 | 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 Altheimer
Altheimer gets 52 inches of rain and melted snow a year. April is the wettest month and September the driest. Rain or snow falls on about 97 days a year.
About 245 frost-free days a year
In half of years the last 32° night comes by March 14 and the first one by November 16. That leaves about 245 frost-free days for gardens, longer than 89% of U.S. towns.
Heating and cooling a home in Altheimer
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Altheimer, 56% of that work is heating and 44% 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 Altheimer 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 Altheimer averaged 0.5° warmer than the 1900s. The biggest change is in February (+1.1°). The shift is smaller than in 97% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Altheimer’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 33° to 52°. May is the most reliable, staying within 9°.
Common questions about Altheimer’s climate
What is the coldest month in Altheimer?
January, with a typical high of 51° and a low of 33°.
What is the hottest month in Altheimer?
July, with a typical high of 92° and a low of 72°. About 72 days a year reach 90°.
How much snow does Altheimer get?
About 3 inches in a normal winter, most of it in January.
When is the first frost in Altheimer?
In half of years the first 32° night comes by November 16, and the last spring frost by March 14.
What is the rainiest month in Altheimer?
April, with 5.5 inches of rain and melted snow. The year totals 52 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Altheimer itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Pine Bluff, AR (12 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.