National Weather Service United States Department of Commerce
 

Bentonville, Arkansas Climatology
Benton County

Bentonville, AR   Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Average High Temperature   45.6 50.7 59.3 69.0 76.3 83.8 89.0 89.6 81.6 71.0 58.7 47.6 68.6
Average Low Temperature   23.5 26.7 34.8 43.5 53.5 62.1 66.3 64.9 56.5 45.1 35.6 25.8 44.9
Average Mean Temperature   34.5 38.7 47.0 56.3 64.9 72.9 77.6 77.3 69.0 58.0 47.1 36.7 56.8
* Record High Temperature   74 82 88 90 93 103 114 107 104 95 82 78 114
* Record Low Temperature   -15 -9 2 16 27 40 45 44 30 18 5 -15 -15
Average Days Above 100 Degrees   0 0 0 0 0 0 0.5 0.6 0.2 0 0 0 1.3
Average Days Above 90 Degrees   0 0 0 0.1 0.4 3.0 14.4 16.2 4.4 0 0 0 38.5
Average Days Below 32 Degrees   25.0 20.3 12.7 3.4 0 0 0 0 0.1 3.2 12.0 22.9 99.6
Average Days Below 10 Degrees   2.9 1.8 0.3 0 0 0 0 0 0 0 0 2.7 7.8
Average Rainfall   2.61 2.65 4.30 4.27 5.72 4.79 3.33 3.35 4.71 3.59 4.36 3.41 47.09
* Record Rainfall   5.85 8.52 10.36 10.86 19.41 10.59 10.08 9.41 14.70 9.18 8.52 9.06 n/a
Average Number of Rain Days   5.6 6.2 8.3 8.7 10.8 8.7 6.6 6.3 6.7 7.3 7.2 6.6 89.0
Average Snowfall   2.8 2.2 2.3 0 0 0 0 0 0 0 0.1 1.8 9.2
* Record Snowfall   18.0 15.0 16.0 1.5 0 0 0 0 0 0 7.5 8.7 n/a
Average Heating Degree Days   944 737 560 285 90 9 0 2 50 243 539 877 4336
Average Cooling Degree Days   0 0 3 22 87 248 393 381 172 28 3 0 1337
Station Information   Elevation: 1220 ft / Latitude: 36 19N / Longitude: 94 13W
Temperatures are reported in Fahrenheit and Rainfall/Snowfall totals are reported in inches.
* Records are for the period 1950-1992.

Averages are for the period 1981-2010.