Jefferson County Climate
Jefferson County, Florida
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
67.3°F
Annual Precip
59.2"
Annual Snowfall
0.0"
Extreme Heat Days
78
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9a
Minimum winter temperature range for plant survival
6,593
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Jefferson County
Climate Verdict
Jefferson County has a warm, averaging 67.3°F year-round, very wet conditions receiving 59.2 inches of precipitation annually, significant summer heat with 78.30000000000001 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 51.9°F. summers are hot, with July averaging 81.1°F. The climate is remarkably stable year-round, with only a 29°F difference between January and July.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Jefferson County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Jefferson County is 3.7°F cooler than the Florida statewide average of 71.0°F, it is somewhat wetter than average for Florida.
Climate Profile
About Jefferson County Weather
Temperate weather with heavy annual rainfall
Jefferson County's 67.3°F annual average is warm nationally but moderate for Florida. It is characterized by high precipitation and a lack of winter snow.
Cooler and wetter than state averages
The county is 3.8 degrees cooler than the Florida average of 71.1°F. However, its 59.2 inches of rain significantly exceeds the state average of 54.8 inches.
The rainiest of its regional peers
Jefferson is cooler and wetter than Lafayette (69.2°F and 55.6 inches). It also experiences fewer extreme heat days than nearby Jackson County.
Moderate heat and very wet summers
Summers average 80.3°F with 78 days of extreme heat, which is low for Florida. Winters are crisp, averaging 53.6°F with zero inches of snow.
Invest in drainage and rain gear
With 59.2 inches of rain, excellent property drainage and high-quality rain gear are vital. Heating is also necessary for the 51.9°F January lows.
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.