Jefferson County Climate
Jefferson County, Florida
Avg Annual Temp
67.3°F
Annual Precip
59.2"
Annual Snowfall
0.0"
Extreme Heat Days
78.30000000000001
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.