Grant County Climate
Grant County, Arkansas
Avg Annual Temp
61.6°F
Annual Precip
56.5"
Annual Snowfall
2.3"
Extreme Heat Days
73.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Grant County Weather
Consistently Above National Temperature Medians
Grant County maintains an annual average temperature of 61.6°F, nearly 8 degrees higher than the national median. This climate is defined by its significant warmth and high humidity levels throughout the year.
Aligning With Central Arkansas Patterns
The county's 61.6°F average temperature sits just above the statewide average of 61.0°F. It is one of the wetter counties in the state, receiving 56.5 inches of precipitation compared to the 52.4-inch state average.
Warmer and Wetter Than Hot Spring
Grant County is slightly warmer and wetter than neighboring Hot Spring County, which averages 61.3°F and 57.5 inches of rain. Both counties face similar extreme heat, with Grant recording 74 days above 90°F.
Sweltering Summers and Damp Winters
July brings an average temperature of 81.3°F, contributing to a summer average of 79.8°F. Winter is mild but wet, featuring 2.3 inches of snow and a January average that stays above 40°F.
Prepare for High Humidity and Heat
With 74 days of extreme heat, high-efficiency air conditioning is a necessity for comfort and safety. Residents should also prepare for significant rainfall, as the county receives 56.5 inches of precipitation annually.
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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.