Union County Climate
Union County, Florida
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
70.9°F
Annual Precip
53.4"
Annual Snowfall
—
Extreme Heat Days
92
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
9a
Minimum winter temperature range for plant survival
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Union County
Climate Verdict
Union County has a warm, averaging 70.9°F year-round, moderately wet with 53.4 inches of annual precipitation, significant summer heat with 91.8 days annually above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are exceptionally mild, with January averaging 56.8°F. summers are hot, with July averaging 83.3°F. The climate is remarkably stable year-round, with only a 27°F difference between January and July.
Outdoor & Gardening Guidance
Summer outdoor activities should be planned for early morning or evening to avoid extreme heat.
Regional Context
Union County closely matches the Florida statewide average temperature of 71.0°F.
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.