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Collier County Climate

JanFebMarAprMayJunJulAugSepOctNovDec75.3°AVG °F

Avg Annual Temp

75.3°F

Annual Precip

54.6"

Annual Snowfall

0.0"

Extreme Heat Days

119

days >= 90°F/yr

Monthly Temperature

JFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.2"
1.8"
2.1"
2.6"
4.0"
9.2"
7.9"
8.9"
8.6"
3.9"
1.7"
1.7"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

10b

Minimum winter temperature range for plant survival

Growing Degree Days

9,261

Excellent for heat-loving crops

Last spring frost (32°F): 01/23
First fall frost (32°F): 01/16

Seasonal Overview

Comfort ZoneSpring70°78°8.6"Summer82°84°26.1"Fall72°83°14.2"Winter65°68°5.8"20°40°60°80°100°

National Comparison

Warmer than 100% of US counties
Wetter than 87% of US counties
More seasonal variation than 1% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Collier County

Climate Verdict

Collier County has a hot, with an average annual temperature of 75.3°F, moderately wet with 54.6 inches of annual precipitation, significant summer heat with 119.21428571428571 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 exceptionally mild, with January averaging 64.8°F. summers are hot, with July averaging 83.2°F. The climate is remarkably stable year-round, with only a 18°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

Collier County is 4.3°F warmer than the Florida statewide average of 71.0°F, the county experiences 27.19756496029224 more extreme heat days than the state average.

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

What is the average temperature in Collier County?
The average annual temperature in Collier County, FL is 75.3°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Collier County get?
Collier County receives an average of 54.6 inches of precipitation per year, including both rain and meltwater from snow. This is based on NOAA 30-year climate normals.
Does it snow in Collier County?
Collier County receives little to no measurable snowfall in a typical year, based on NOAA 30-year climate normals.
How hot does Collier County get in summer?
The average summer temperature (June-August) in Collier County is 82.8°F. The county experiences an average of 119 days per year above 90°F.
How cold are winters in Collier County?
The average winter temperature (December-February) in Collier County is 66.7°F. January, typically the coldest month, averages 64.8°F.

Track your own weather in Collier County

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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.

By Evan Brooks, Data EditorUpdated Reviewed by Evan Brooks, Data Editor
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