
Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing across the eastern U.S. through the Independence Day holiday weekend. Peak heat indices of up to 115 degrees are possible. Isolated to scattered severe thunderstorms are possible from the northern/central Plains into the Midwest, Ohio Valley, and Mid-Atlantic Friday. Read More >
Tahlequah, Oklahoma Climatology
| Tahlequah, OK | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average High Temperature | 49.0 | 54.0 | 63.4 | 72.1 | 78.5 | 85.5 | 90.8 | 91.5 | 83.5 | 73.0 | 61.4 | 50.2 | 71.1 | |
| Average Low Temperature | 27.1 | 31.5 | 39.8 | 48.4 | 57.3 | 65.0 | 69.2 | 68.1 | 60.4 | 49.5 | 39.5 | 29.5 | 48.9 | |
| Average Mean Temperature | 38.1 | 42.7 | 51.6 | 60.3 | 67.9 | 75.2 | 80.0 | 79.8 | 71.9 | 61.2 | 50.5 | 39.9 | 60.0 | |
| * Record High Temperature | 78 | 86 | 92 | 93 | 97 | 105 | 114 | 110 | 105 | 98 | 86 | 80 | 114 | |
| * Record Low Temperature | -13 | -9 | -10 | 20 | 30 | 42 | 45 | 48 | 28 | 17 | 6 | -14 | -14 | |
| Average Days Above 100 Degrees | 0 | 0 | 0 | 0 | 0 | 0 | 0.9 | 2.1 | 0.3 | 0 | 0 | 0 | 3.3 | |
| Average Days Above 90 Degrees | 0 | 0 | 0 | 0.1 | 0.2 | 5.4 | 17.2 | 19.4 | 5.3 | 0.1 | 0 | 0 | 47.8 | |
| Average Days Below 32 Degrees | 21.3 | 14.7 | 7.4 | 1.3 | 0 | 0 | 0 | 0 | 0 | 1.5 | 8.3 | 18.1 | 72.7 | |
| Average Days Below 10 Degrees | 2.0 | 0.9 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.6 | 4.7 | |
| Average Rainfall | 2.58 | 2.65 | 4.10 | 4.03 | 6.26 | 5.20 | 4.40 | 3.87 | 5.14 | 4.61 | 4.30 | 3.09 | 50.23 | |
| * Record Rainfall | 6.19 | 8.68 | 9.71 | 9.69 | 12.92 | 10.32 | 13.44 | 11.08 | 12.67 | 12.37 | 7.12 | 7.52 | 73.48 | |
| Average Number of Rain Days | 5.1 | 6.0 | 7.8 | 8.2 | 9.7 | 8.7 | 6.3 | 6.0 | 7.0 | 7.3 | 7.1 | 6.3 | 85.5 | |
| Average Snowfall | 2.0 | 1.6 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 1.3 | 5.5 | |
| * Record Snowfall | 17.5 | 11.4 | 18.0 | 2.6 | 0 | 0 | 0 | 0 | 0 | 0 | 4.7 | 7.4 | 20.2 | |
| Average Heating Degree Days | 836 | 623 | 425 | 188 | 44 | 3 | 0 | 0 | 28 | 169 | 443 | 780 | 3539 | |
| Average Cooling Degree Days | 0 | 0 | 10 | 46 | 134 | 310 | 465 | 459 | 236 | 53 | 7 | 1 | 1720 | |
| Station Information | Elevation: 850 ft / Latitude: 35 56N / Longitude: 94 58W | |||||||||||||
| Temperatures are reported in Fahrenheit and Rainfall/Snowfall totals are reported in inches. * Records are for the period 1948-1991. Other averages are for the period 1981-2010. |
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