Martin County Climate
Martin County, Florida
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
74.5°F
Annual Precip
63.4"
Annual Snowfall
0.0"
Extreme Heat Days
84
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
10b
Minimum winter temperature range for plant survival
8,974
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Martin County
Climate Verdict
Martin County has a hot, with an average annual temperature of 74.5°F, very wet conditions receiving 63.4 inches of precipitation annually, significant summer heat with 83.55 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 64.3°F. summers are hot, with July averaging 82.4°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
Martin County is 3.5°F warmer than the Florida statewide average of 71.0°F, it is also noticeably wetter, receiving 8.7 inches more precipitation than the state average.
Climate Profile
About Martin County Weather
Atlantic Coast Warmth Surpasses National Median
Martin County averages 74.5°F annually, nearly 21 degrees higher than the 54°F national median. This tropical Atlantic climate maintains warm temperatures throughout the entire year.
A Top-Tier Warmth Rank in Florida
The county's 74.5°F average is significantly higher than the Florida state average of 71.1°F. It ranks among the warmest coastal counties on the state's eastern side.
Cooler and Wetter Than Miami-Dade
Martin County is cooler than Miami-Dade, which averages 76.6°F, but it is wetter. Martin receives 63.4 inches of rain annually, compared to 62.0 inches in Miami-Dade.
Temperate Coastal Summers and Warm Winters
Despite the heat, Martin only sees 84 days above 90°F due to ocean breezes. Summers average 82.1°F and winters remain very warm at 66.0°F with no recorded snow.
Managing High Rainfall and Humidity
With 63.4 inches of rain annually, Martin is one of the wettest counties in the state. Residents should invest in high-quality rain gear and maintain home exteriors against high moisture levels.
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.