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Miami-Dade County Climate

Miami-Dade County, Florida

NOAA NCEI 1991-2020 Climate Normals
JanFebMarAprMayJunJulAugSepOctNovDec76.6°AVG °F

Avg Annual Temp

76.6°F

Annual Precip

62.0"

Annual Snowfall

0.0"

Extreme Heat Days

86

days >= 90°F/yr

Monthly Temperature

JFMAMJJASOND

Precipitation Calendar

Dry
Wet= snowfall
2.0"
2.2"
2.3"
3.2"
5.7"
9.3"
7.1"
8.8"
9.1"
6.9"
3.1"
2.3"
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Growing Season & Gardening

USDA Hardiness Zone

11a

Minimum winter temperature range for plant survival

Growing Degree Days

9,705

Excellent for heat-loving crops

Last spring frost (32°F): -9999.0
First fall frost (32°F): -9999.0

Seasonal Overview

Comfort ZoneSpring72°79°11.2"Summer82°84°25.2"Fall74°83°19.1"Winter68°70°6.6"20°40°60°80°100°

National Comparison

Warmer than 100% of US counties
Wetter than 97% of US counties
More seasonal variation than 1% of US counties

7-Day Outlook

Forecast

Current Conditions

Air Quality

Safety

Weather Alerts

Climate Advisory: Miami-Dade County

Climate Verdict

Miami-Dade County has a hot, with an average annual temperature of 76.6°F, very wet conditions receiving 62.0 inches of precipitation annually, significant summer heat with 85.93846153846152 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 67.6°F. summers are hot, with July averaging 83.4°F. The climate is remarkably stable year-round, with only a 16°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

Miami-Dade County is 5.5°F warmer than the Florida statewide average of 71.0°F, it is also noticeably wetter, receiving 7.3 inches more precipitation than the state average.

Climate Profile

About Miami-Dade County Weather

Miami-Dade Leads the Nation in Warmth

Miami-Dade's 76.6°F average annual temperature is among the highest in the country, far exceeding the 54°F national median. This truly tropical climate is a rarity in the United States.

Florida's Peak Annual Temperature Average

The county's 76.6°F average is much higher than the state average of 71.1°F. Miami-Dade consistently ranks as one of the hottest counties in Florida by annual average.

Hottest County in the South Florida Region

Miami-Dade is warmer than Martin County to its north, which averages 74.5°F. Both counties experience high annual rainfall, with Miami-Dade seeing 62.0 inches.

Tropical Summers and the State's Warmest Winters

Summers average 83.0°F with 86 extreme heat days, while winters remain the warmest in the state at 69.1°F. Snowfall is entirely non-existent in this tropical environment.

Planning for Tropical Humidity and Storms

With 62 inches of annual rain, residents must prepare for frequent tropical downpours. High-efficiency HVAC is a non-negotiable requirement for the year-round warmth and 86 days of extreme heat.

Frequently Asked Questions

What is the average temperature in Miami-Dade County?
The average annual temperature in Miami-Dade County, FL is 76.6°F, based on NOAA 30-year climate normals (1991-2020).
How much rain does Miami-Dade County get?
Miami-Dade County receives an average of 62.0 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 Miami-Dade County?
Miami-Dade County receives little to no measurable snowfall in a typical year, based on NOAA 30-year climate normals.
How hot does Miami-Dade County get in summer?
The average summer temperature (June-August) in Miami-Dade County is 83.0°F. The county experiences an average of 86 days per year above 90°F.
How cold are winters in Miami-Dade County?
The average winter temperature (December-February) in Miami-Dade County is 69.1°F. January, typically the coldest month, averages 67.6°F.

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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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