Climate · Big Flat

Big Flat, AR climate

Big Flat has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 89°, a January night drops to 27°, and about 4 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
89°
29th coolest of 626 Arkansas towns
January low
27°
112th coldest of 626 Arkansas towns
Rain + melted snow
49 in
88th driest of 626 Arkansas towns
Snow a winter
4 in
137th snowiest of 621 Arkansas towns
A normal year

What a year in Big Flat feels like

Winter

49° / 29°
Typical high / low · 2 days with an inch or more of snow

Spring

69° / 46°
Typical high / low · Last frost around Apr 11

Summer

87° / 65°
Typical high / low · 46 days reach 90° in a normal year

Fall

70° / 48°
Typical high / low · First frost around Oct 26
Best months to be outsideAprMaySepOctHighs of 62–84° and lows of 40° or more
Month by month

Big Flat weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January47°27°3.2" 0.9"72 31° – 45°
February52°30°3.2" 1.1"71 32° – 49°
March60°38°4.8" 1.1"90 42° – 60°
April70°47°5.2" 080 52° – 64°
May77°55°5.3" 090 62° – 72°
June85°63°3.9" 070 69° – 78°
July89°67°3.9" 070 73° – 83°
August88°66°3.6" 070 71° – 82°
September81°58°3.7" 060 66° – 76°
October71°47°3.9" 080 55° – 64°
November59°38°4.6" 0.1"70 42° – 54°
December49°30°3.9" 0.8"70 27° – 47°
Year69°47°49.1"4.0"893

“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 & snow

Rain and snow in Big Flat

Big Flat gets 49 inches of rain and melted snow a year. May is the wettest month and January the driest. Rain or snow falls on about 89 days a year.

49 in
Rain + melted snow a year
More rain than 85% of U.S. towns
4 in
Snow in a normal winter
Less snow than 80% of U.S. towns
3 days
With 1"+ of snow on the ground
Fewer than 75% of U.S. towns

Rain + melted snow by month

Inches of water
5.3"

Snowfall by month

Inches of snow
1.1"
Frost & the growing season

About 197 frost-free days a year

In half of years the last 32° night comes by April 11 and the first one by October 26. That leaves about 197 frost-free days for gardens, longer than 70% of U.S. towns.

83
nights at or below 32° in a normal year
<1
nights below 0° in a normal year
46
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Big Flat

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Big Flat, 73% of that work is heating and 27% is cooling.

73%heating
3,952 heating degree daysLess heating than 79% of U.S. towns
1,460 cooling degree daysMore cooling than 78% of U.S. towns

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.

Compared with other towns

How Big Flat compares

Summer heat89° July high
Hotter than 74% of U.S. towns29th coolest of 626 Arkansas towns
Winter cold27° January low
Milder than 77% of U.S. towns112th coldest of 626 Arkansas towns
Precipitation49" a year
Wetter than 85% of U.S. towns88th driest of 626 Arkansas towns
Snow4" a winter
Less snow than 80% of U.S. towns137th snowiest of 621 Arkansas towns
Growing season197 frost-free days
Longer than 70% of U.S. towns44th shortest of 626 Arkansas towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+0.8°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Big Flat averaged 0.8° warmer than the 1900s. The biggest change is in February (+1.7°). The shift is smaller than in 85% of U.S. towns.

❄️ Winter+1.6° now 39°, was 38°
🌷 Spring+0.8° now 58°, was 57°
☀️ Summer+0.3° now 76°, was 76°
🍂 Fall+0.5° now 59°, was 59°

Change by month1991–2020 average minus 1901–2000 average, at Big Flat’s spot on NOAA’s grid

Year to year

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 27° to 47°. June is the most reliable, staying within 9°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Big Flat’s climate

What is the coldest month in Big Flat?

January, with a typical high of 47° and a low of 27°.

What is the hottest month in Big Flat?

July, with a typical high of 89° and a low of 67°. About 46 days a year reach 90°.

How much snow does Big Flat get?

About 4 inches in a normal winter, most of it in February.

When is the first frost in Big Flat?

In half of years the first 32° night comes by October 26, and the last spring frost by April 11.

What is the rainiest month in Big Flat?

May, with 5.3 inches of rain and melted snow. The year totals 49 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Big Flat itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Marshall, AR (15 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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