Lafayette Parish Climate
Lafayette Parish, Louisiana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
68.8°F
Annual Precip
64.1"
Annual Snowfall
0.0"
Extreme Heat Days
86
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9a
Minimum winter temperature range for plant survival
7,091
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Lafayette Parish
Climate Verdict
Lafayette Parish has a warm, averaging 68.8°F year-round, very wet conditions receiving 64.1 inches of precipitation annually, significant summer heat with 85.6 days annually above 90°F, virtually no measurable snowfall. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 52.1°F. summers are hot, with July averaging 82.7°F. The 31°F seasonal variation provides noticeable but manageable change. 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
Lafayette Parish closely matches the Louisiana statewide average temperature of 67.0°F, it is somewhat wetter than average for Louisiana.
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 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.