Ouachita County Climate
Ouachita County, Arkansas
Avg Annual Temp
62.4°F
Annual Precip
53.1"
Annual Snowfall
1.5"
Extreme Heat Days
81.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Ouachita County Weather
A Warm Southern Climate Profile
With an annual average temperature of 62.4°F, Ouachita County is significantly warmer than the national median of 54°F. The region experiences a classic humid subtropical climate characterized by long, hot summers.
Above the Arkansas Average
Ouachita County’s 62.4°F average temperature exceeds the state average of 61.0°F. This makes it part of the warmer southern tier of counties where heat is a defining weather feature.
Consistent Heat Across the Region
Ouachita matches the high-heat profile of neighbors like Phillips County, averaging 82 days of extreme heat per year. It is slightly drier than the state average, receiving 53.1 inches of rain compared to the 52.4-inch baseline.
Persistent Heat and Mild Winters
Summer dominates the calendar with a July average of 81.5°F and over 80 days above 90°F. Winters are brief and mild, seeing only 1.5 inches of snow and a January average of 42.3°F.
Prioritize Cooling and Hydration
High-efficiency air conditioning is essential given the 80.1°F summer average. Outdoor activities should be planned for the mornings to avoid the 82 days of extreme heat that occur annually.
Frequently Asked Questions
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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.