Will Pipes Freeze in Jackson County, MS? under 1 night a Year
Freeze nights in Jackson County
In a normal year Jackson County, MS 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 6% of US counties.
Risk level: Rare. The risk season runs January to January, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 26 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 11/24, last around 03/01. For 20°F: 01/10 to 01/17.
How cold Jackson County nights get
Average winter (Dec-Feb) low: 42°F; the coldest month, January, averages 40°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 40°F | 44°F | 50°F | 55°F | 63°F | 71°F | 73°F | 73°F | 69°F | 57°F | 47°F | 43°F |
Jackson County next to its neighbours
George County, MS, 44 km north, gets 2 nights below 20°F to Jackson County's under 1 night.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Jackson County, MS | - | 26 nights | under 1 night | 40°F |
| Harrison County, MS | 44 km west | 16 nights | under 1 night | 43°F |
| George County, MS | 44 km north | 28 nights | 2 nights | 39°F |
| Mobile County, AL | 48 km northeast | 21 nights | under 1 night | 41°F |
| Stone County, MS | 60 km northwest | 38 nights | 3 nights | 37°F |
| Hancock County, MS | 83 km west | 26 nights | 1 night | 40°F |
| Greene County, MS | 84 km north | 50 nights | 4 nights | 35°F |
Jackson County within MS
Jackson County ranks 81 of 82 MS counties for nights below 20°F. The most is Tishomingo County, MS at 24 nights, with a 30°F average winter low. The fewest is Harrison County, MS: under 1 night, winter lows near 45°F. At 25 ft, Jackson County sits 277 ft below the state's median county elevation of 302 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 Pascagoula Lott International Airport, MS, 9 km away (close 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.