
Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >
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. |
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