Will Pipes Freeze in Union County, FL? under 1 night a Year
Freeze nights in Union County
In a normal year Union 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 5% of US counties.
Risk level: Rare.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 19 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 |
Foam-sleeving a bare pipe in unheated space takes it from under 1 night of risk to none. A 12 ft heat-tape kit runs $17 to $37; an average burst-pipe repair is about $500.
Month by month
Nights at or below 20°F in a normal year.
First 32°F night is usually around 12/24, last around 02/08.
How cold Union County nights get
Average winter (Dec-Feb) low: 44°F; the coldest month, January, averages 42°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 42°F | 45°F | 50°F | 55°F | 63°F | 70°F | 72°F | 72°F | 69°F | 60°F | 50°F | 45°F |
Union County next to its neighbours
Baker County, FL, 31 km north, gets 1 night below 20°F to Union County's under 1 night.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Union County, FL | - | 19 nights | under 1 night | 42°F |
| Bradford County, FL | 22 km southeast | 15 nights | under 1 night | 45°F |
| Baker County, FL | 31 km north | 26 nights | 1 night | 40°F |
| Columbia County, FL | 31 km northwest | 15 nights | under 1 night | 41°F |
| Alachua County, FL | 42 km south | 17 nights | under 1 night | 43°F |
| Clay County, FL | 49 km east | 14 nights | under 1 night | 45°F |
| Gilchrist County, FL | 55 km southwest | 26 nights | 2 nights | 40°F |
Union County within FL
Union County ranks 20 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 130 ft, Union County sits 76 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.
A few nights a year catches houses that were never built for it: pipes 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 Starke, FL, 27 km away (fair match). A normal year, not tonight's forecast: check the forecast low for the night itself. What a "fair" or "distant" station match means is in the method guide.