Will Pipes Freeze in Duval County, FL? under 1 night a Year
Freeze nights in Duval County
In a normal year Duval 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 2% of US counties.
Risk level: Rare.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 7 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 01/05, last around 02/01.
How cold Duval County nights get
Average winter (Dec-Feb) low: 48°F; the coldest month, January, averages 46°F overnight. 3 months normally bring at least one night below 32°F (Jan, Feb, Dec).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 46°F | 49°F | 53°F | 59°F | 67°F | 72°F | 75°F | 75°F | 72°F | 64°F | 54°F | 49°F |
Duval County next to its neighbours
Baker County, FL, 63 km west, gets 1 night below 20°F to Duval County's under 1 night.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Duval County, FL | - | 7 nights | under 1 night | 46°F |
| Nassau County, FL | 32 km north | 14 nights | under 1 night | 43°F |
| Clay County, FL | 44 km southwest | 14 nights | under 1 night | 45°F |
| St. Johns County, FL | 55 km southeast | 6 nights | none | 47°F |
| Baker County, FL | 63 km west | 26 nights | 1 night | 40°F |
| Camden County, GA | 64 km north | 27 nights | 2 nights | 39°F |
| Bradford County, FL | 66 km southwest | 15 nights | under 1 night | 45°F |
Duval County within FL
Duval County ranks 39 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 19 ft, Duval County sits close to 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 Jacksonville Naval Air Station, FL, 12 km away (close match). A normal year, not tonight's forecast: check the forecast low for the night itself. How a county figure is built from stations: how the numbers are made.