Collier County Climate
Collier County, Florida
Avg Annual Temp
75.3°F
Annual Precip
54.6"
Annual Snowfall
0.0"
Extreme Heat Days
119.21428571428572
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Collier County Weather
A Truly Tropical Escape
Collier County maintains an average annual temperature of 75.3°F, placing it significantly higher than the national median. This tropical climate provides a warm environment that far exceeds the typical American experience.
Warmer Than the Florida Average
The county's 75.3°F average temperature sits well above Florida's state average of 71.1°F. It ranks as one of the warmest counties in the state, driven by its southern latitude.
Heat Leader of the Region
Collier is substantially warmer than its northern neighbor DeSoto County, which averages 72.2°F. While both regions share 0.0 inches of snowfall, Collier's proximity to the Everglades keeps its baseline temperature higher.
The Reality of Intense Heat
Residents face 119 extreme heat days per year where temperatures reach or exceed 90°F. Even winter remains mild, with a seasonal average of 66.7°F and no recorded snowfall.
Planning for Year-Round Sun
With nearly a third of the year seeing extreme heat, high-efficiency HVAC systems are essential for home comfort. Plan outdoor activities for the early morning to avoid the peak of the 119 intense heat days.
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.