Climate

Bentonville weather by month

Average highs, lows, rain and snow for every month, from 30 years of weather records.

Average temperatures

Best time to visit: April, September, October, when highs are mild and rain is lightest.

Month	High	Low	Rain	Snow	Wet days
January	46°F	24°F	2.7 in	3.2 in	6
February	51°F	27°F	2.7 in	2.3 in	5
March	60°F	36°F	4.2 in	2.6 in	8
April	69°F	44°F	4.8 in	0.00 in	9
May	77°F	54°F	6.3 in	0.00 in	10
June	85°F	63°F	5.5 in	0.00 in	9
July	89°F	67°F	3.9 in	0.00 in	7
August	90°F	65°F	2.7 in	0.00 in	6
September	82°F	57°F	4.0 in	0.00 in	7
October	71°F	46°F	3.4 in	0.00 in	6
November	59°F	36°F	3.9 in	0.20 in	7
December	49°F	27°F	3.3 in	1.2 in	6

NOAA U.S. Climate Normals 1991–2020, Bentonville 4 S, Ar Us (2.3 mi away, 1,220 ft). Wet days: days with at least 0.01 in of precipitation.

What is the hottest month in Bentonville?

August, with an average high of 90°F and low of 65°F.

What is the coldest month in Bentonville?

January, with an average low of 24°F and high of 46°F.

When does it rain most in Bentonville?

May is the wettest month, averaging 6.3 in of precipitation; the year totals about 47.4 inches.

Does it snow in Bentonville?

Yes. Snowfall averages about 9 inches a year, mostly in January and March.

What is the best time to visit Bentonville?

For mild weather (highs between 65°F and 85°F) with the least rain, April, September, October.

Where do these numbers come from?

NOAA’s 1991–2020 U.S. Climate Normals for the Bentonville 4 S weather station, 2.3 miles from downtown: 30-year averages, not a forecast.