Jackson County Climate
Jackson County, Oklahoma
Avg Annual Temp
61.9°F
Annual Precip
28.2"
Annual Snowfall
3.4"
Extreme Heat Days
100.2
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Jackson County Weather
Sun-drenched southwest Oklahoma
Jackson County is warm and dry, with a 61.9°F annual average and only 28.2 inches of rain. This puts it above the national temperature median and below the national precipitation average.
Warmer than the Oklahoma norm
Jackson is 1.5 degrees warmer than the Oklahoma state average of 60.4°F. It is also significantly drier, receiving about 9 inches less rain than the state average of 37.2 inches.
Extreme heat is the norm
Similar to neighbor Harmon County, Jackson is defined by heat, recording 100 days of temperatures at or above 90°F. It receives slightly more rain than Harmon but remains part of the dry southwest.
A century of heat days
Summers are intense, featuring a July average of 84.1°F and 100 extreme heat days. Winters are relatively mild and dry, with a 41.1°F average and just 3.4 inches of snow.
Landscaping for heat and drought
Extreme heat management is the priority here, as residents face 100 days of 90-degree weather annually. Drought-resistant landscaping is recommended to cope with the low 28.2-inch rainfall.
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.