De Soto Parish Climate
De Soto Parish, Louisiana
Avg Annual Temp
65.5°F
Annual Precip
54.2"
Annual Snowfall
0.3"
Extreme Heat Days
93.3
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About De Soto Parish Weather
Warm Temperatures and Heavy Rain
De Soto Parish averages 65.5°F annually, sitting about 12 degrees above the national median. It receives 54.2 inches of annual precipitation, making it much wetter than the U.S. average.
Temperate for North Louisiana
De Soto’s 65.5°F average is slightly lower than the Louisiana state average of 67.0°F. This makes it a relatively cooler option within the otherwise hot state.
A Twin Climate to Caddo Parish
De Soto Parish shares an identical 65.5°F annual average with its neighbor, Caddo. It receives 54.2 inches of rain, just one inch more than Caddo’s 53.2 inches.
Nearly 100 Days of Summer Heat
The parish endures 93 extreme heat days reaching at least 90°F each year. Winter is mild at 48.9°F and features only 0.3 inches of annual snowfall.
Summer Cooling is a Top Priority
With 93 days of extreme heat, residents need high-efficiency air conditioning to stay safe. Outdoor work is best planned for the morning to avoid the 82.7°F July average.
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.