Lafayette Parish Climate
Lafayette Parish, Louisiana
Avg Annual Temp
68.8°F
Annual Precip
64.1"
Annual Snowfall
0.0"
Extreme Heat Days
85.6
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Lafayette Parish Weather
A Hot Hub in the South
Lafayette Parish maintains an annual average temperature of 68.8°F, placing it well above the national median. The parish also receives a massive 64.1 inches of rain annually, characterizing its humid subtropical climate.
Exceeding State Temperature Norms
Lafayette is nearly two degrees warmer than the state average of 67.0°F. Its 64.1 inches of rainfall also exceeds the Louisiana state average of 60.8 inches, making it a particularly wet and warm part of the state.
Warmer than its Western Neighbor
Lafayette is one degree warmer on average than Jefferson Davis Parish, which sits at 67.8°F. Both parishes experience similar rainfall levels, with Lafayette recording 64.1 inches annually.
Intense Summer Heat Peaks
The parish suffers through 86 days of extreme heat above 90°F, one of the highest counts in the region. Winters are gentle with a 54.1°F average and zero recorded snowfall.
Maximize Your Air Conditioning
Residents must plan for nearly three months of extreme heat by ensuring HVAC systems are serviced and efficient. Outdoor activities should be scheduled around the 64.1 inches of annual rainfall and high humidity.
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.