Jim Wells County Climate
Jim Wells County, Texas
Avg Annual Temp
72.6°F
Annual Precip
27.9"
Annual Snowfall
0.3"
Extreme Heat Days
143.53333333333333
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Jim Wells County Weather
Tropical heat far above national norms
With an annual average of 72.6°F, Jim Wells County is much warmer than the typical American county. It maintains a humid subtropical climate that stays consistently warm throughout all four seasons.
Consistently warmer than the Texas average
The county's 72.6°F average temperature outpaces the state average of 65.5°F by over 7 degrees. It ranks among the warmer South Texas counties, though it receives slightly more rain than its western neighbors.
Balancing humidity and heat
At 27.9 inches of annual rain, Jim Wells is wetter than Jim Hogg but remains slightly drier than Kenedy County. Its July average of 85.3°F is nearly identical to its regional peers.
Intense summers and frost-free winters
Residents face 144 days of extreme heat over 90°F annually, mostly concentrated in the 85.0°F summers. Snow is almost non-existent, with a yearly average of just 0.3 inches.
Prepare for heat and high humidity
Air conditioning maintenance is critical given the 144 days of extreme heat. Light, breathable clothing is the local standard since winter lows rarely dip below freezing for long.
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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.