Will Pipes Freeze in Jefferson County, FL? under 1 night a Year
Freeze nights in Jefferson County
In a normal year Jefferson County, FL gets under 1 night at or below 20°F, the point where bare pipes in a garage, attic or outside wall start to freeze. That is more than 4% of US counties.
Risk level: Rare.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 20 nights |
| Bare pipe in garage, attic or outside wall | 20°F | under 1 night |
| Insulated pipe in unheated space | 10°F | none |
| Inside the heated house | 0°F | none |
Month by month
Nights at or below 20°F in a normal year.
First 32°F night is usually around 12/03, last around 02/25. For 20°F: 01/12 to 01/20.
How cold Jefferson County nights get
Average winter (Dec-Feb) low: 43°F; the coldest month, January, averages 41°F overnight. 5 months normally bring at least one night below 32°F (Jan, Feb, Mar, Nov, Dec).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 41°F | 44°F | 48°F | 54°F | 62°F | 69°F | 72°F | 71°F | 68°F | 58°F | 48°F | 43°F |
Jefferson County next to its neighbours
Leon County, FL, 35 km west, gets 2 nights below 20°F to Jefferson County's under 1 night.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Jefferson County, FL | - | 20 nights | under 1 night | 41°F |
| Leon County, FL | 35 km west | 29 nights | 2 nights | 40°F |
| Madison County, FL | 44 km east | 24 nights | 1 night | 40°F |
| Thomas County, GA | 52 km north | 28 nights | 1 night | 38°F |
| Wakulla County, FL | 54 km southwest | 33 nights | 2 nights | 39°F |
| Taylor County, FL | 55 km southeast | 26 nights | 1 night | 42°F |
| Brooks County, GA | 57 km northeast | 30 nights | 1 night | 37°F |
Jefferson County within FL
Jefferson County ranks 23 of 67 FL counties for nights below 20°F. The most is Holmes County, FL at 2 nights, with a 40°F average winter low. The fewest is Broward County, FL: none, winter lows near 60°F. At 162 ft, Jefferson County sits 108 ft above the state's median county elevation of 54 ft.
What to do here
- Watch the forecast for a sub-threshold night.
- That night: drip the faucet on an outside wall, open the sink cabinet.
Why rare cold catches people out - freezes in places that rarely freeze.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Monticello (10 mi SW), FL, 8 km away (close match). A normal year, not tonight's forecast: check the forecast low for the night itself. Why elevation is part of the blend: how county numbers are made.