Hillsborough County Climate
Hillsborough County, Florida
Avg Annual Temp
74.4°F
Annual Precip
52.9"
Annual Snowfall
0.0"
Extreme Heat Days
102.75
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Hillsborough County Weather
Tropical warmth far above the national median
Hillsborough County maintains a 74.4°F average annual temperature, far outpacing the typical U.S. climate. The region stays warm year-round with virtually no cold-weather extremes.
One of Florida's hottest coastal hubs
At 74.4°F, the county is 3.3 degrees warmer than the Florida state average of 71.1°F. Its coastal proximity does little to lower the overall annual heat levels.
Hotter than neighboring Highlands and Lake
Hillsborough is notably warmer than Highlands (73.0°F) and Lake County (72.0°F). It receives 52.9 inches of rain annually, mirroring the precipitation patterns of its neighbors.
Blistering summers and non-existent winters
Summer temperatures average 83.4°F and contribute to 103 days of extreme heat annually. Winter is remarkably warm with a 64.1°F average and no snow.
Prepare for 103 days of extreme heat
Reliable cooling is a health necessity given the frequent 90°F+ days. The 52.9 inches of annual rain often comes in heavy bursts, requiring sturdy storm gear.
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.