Will Pipes Freeze in Warren County, MS? 2 nights a Year
Freeze nights in Warren County
In a normal year Warren County, MS gets 2 nights at or below 20°F, the point where bare pipes in a garage, attic or outside wall start to freeze. That is more than 11% of US counties.
Risk level: Occasional. 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 | 35 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 2 nights |
| Insulated pipe in unheated space | 10°F | under 1 night |
| Inside the heated house | 0°F | none |
Foam-sleeving a bare pipe in unheated space takes it from 2 nights of risk to under 1 night. 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 11/22, last around 02/26. For 20°F: 01/05 to 01/19.
How cold Warren County nights get
Average winter (Dec-Feb) low: 40°F; the coldest month, January, averages 38°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 38°F | 42°F | 49°F | 56°F | 65°F | 72°F | 74°F | 73°F | 67°F | 56°F | 45°F | 40°F |
Warren County next to its neighbours
Hinds County, MS, 38 km east, gets 5 nights below 20°F to Warren County's 2 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Warren County, MS | - | 35 nights | 2 nights | 38°F |
| Madison Parish, LA | 36 km west | 35 nights | 2 nights | 38°F |
| Hinds County, MS | 38 km east | 50 nights | 5 nights | 36°F |
| Claiborne County, MS | 43 km south | 48 nights | 4 nights | 36°F |
| Issaquena County, MS | 47 km north | 38 nights | 3 nights | 36°F |
| East Carroll Parish, LA | 55 km northwest | 34 nights | 2 nights | 36°F |
| Sharkey County, MS | 60 km north | 42 nights | 3 nights | 37°F |
Warren County within MS
Warren County ranks 71 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 274 ft, Warren County sits close to the state's median county elevation of 302 ft.
What to do here
- Keep a night-of routine: drip, open cabinets, keep the heat at 55F or above.
- Foam-sleeve any pipe in the garage or crawlspace once; it is cheap and lasts years.
Which pipe gets which threshold: the 32, 20, 10 and 0 rule.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Vicksburg City, MS, 4 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.