Cameron County Climate
Cameron County, Texas
Avg Annual Temp
75.0°F
Annual Precip
26.2"
Annual Snowfall
0.1"
Extreme Heat Days
120.96666666666664
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Cameron County Weather
Extreme Southern Heat and Humidity
Cameron County is one of the warmest in the country with a 75.0°F annual average. This is a full 20 degrees warmer than the national median, creating a truly tropical environment.
Well Above State Temperature Norms
At 75.0°F, Cameron is much hotter than the 65.5°F Texas state average. However, its 26.2 inches of rain is below the state average, indicating a drier tropical climate.
The Hot, Dry Southern Tip
Cameron is significantly warmer and drier than coastal Calhoun, which receives 15 inches more rain. It averages 121 days of extreme heat, making it one of the most consistently hot regions in Texas.
Tropical Summers and Non-Existent Winter
Winter is a misnomer here, with a January average of 61.3°F and almost zero snow. Summer is a marathon, with 121 days over 90°F and a July average of 85.3°F.
Year-Round Cooling is Mandatory
HVAC systems run almost year-round to manage the constant warmth and 121 extreme heat days. Residents should prioritize sun protection and hydration for an outdoor lifestyle that rarely sees a freeze.
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.