Cameron County Climate
Cameron County, Texas
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
75.0°F
Annual Precip
26.2"
Annual Snowfall
0.1"
Extreme Heat Days
121
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
10a
Minimum winter temperature range for plant survival
9,194
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cameron County
Climate Verdict
Cameron County has a hot, with an average annual temperature of 75.0°F, moderate rainfall of 26.2 inches per year, extreme heat exposure with 120.96666666666665 days per year above 90°F, light snow averaging 0.1 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are exceptionally mild, with January averaging 61.3°F. summers are hot, with July averaging 85.3°F. The climate is remarkably stable year-round, with only a 24°F difference between January and July. January is typically the coldest month and August the warmest.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Cameron County is 9.6°F warmer than the Texas statewide average of 65.5°F, it is also noticeably drier, receiving 5.7 inches less precipitation than the state average, the county experiences 16.12479328399084 more extreme heat days than the state average.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.