Lamar County Climate
Lamar County, Alabama
Avg Annual Temp
63.5°F
Annual Precip
59.1"
Annual Snowfall
0.6"
Extreme Heat Days
70.9
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Lamar County Weather
Warm and wet Western Alabama
Lamar County averages 63.5°F, slightly exceeding the Alabama state average and the national median. Its climate is characterized by high humidity and consistent year-round precipitation.
A slightly wetter state outlier
With an annual average just above 63.2°F, Lamar sits in the middle of state temperature rankings. It is one of the wetter counties, receiving 59.1 inches of rain annually compared to the state's 57.4.
Higher rainfall than central neighbors
Lamar is wetter than Jefferson County, recording nearly two extra inches of rain per year. Its temperature profile closely tracks with its neighbors along the Mississippi border.
Seventy days of extreme heat
The county endures 71 days of extreme heat annually, with summer temperatures averaging 80.1°F. Winters are cool at 46.3°F and produce only 0.6 inches of snow on average.
Gear up for heavy rain
Investing in reliable rain gear is a must given the high 59.1-inch annual precipitation. Homeowners should ensure cooling systems are serviced by May to handle the 71 days of extreme heat.
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.