Will Pipes Freeze in Webster County, MO? 32 nights a Year
Freeze nights in Webster County
In a normal year Webster County, MO gets 32 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 48% of US counties.
Risk level: Regular. The risk season runs November to March, worst in January.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 97 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 32 nights |
| Insulated pipe in unheated space | 10°F | 10 nights |
| Inside the heated house | 0°F | 2 nights |
Foam-sleeving a bare pipe in unheated space takes it from 32 nights of risk to 10 nights. 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 10/24, last around 04/13. For 20°F: 11/22 to 03/13.
How cold Webster County nights get
Average winter (Dec-Feb) low: 24°F; the coldest month, January, averages 22°F overnight. 7 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, Oct, Nov, Dec). Nights below 10°F, cold enough to freeze insulated pipe in an unheated space, come in January, February, March, December: 10 nights a year, and 2 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 22°F | 25°F | 34°F | 44°F | 54°F | 63°F | 67°F | 65°F | 57°F | 46°F | 35°F | 26°F |
Webster County next to its neighbours
Wright County, MO, 35 km east, gets 34 nights below 20°F to Webster County's 32 nights. Greene County, MO, 41 km west, gets 28 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Webster County, MO | - | 97 nights | 32 nights | 22°F |
| Wright County, MO | 35 km east | 102 nights | 34 nights | 22°F |
| Greene County, MO | 41 km west | 94 nights | 28 nights | 24°F |
| Christian County, MO | 44 km southwest | 114 nights | 41 nights | 21°F |
| Dallas County, MO | 47 km north | 108 nights | 39 nights | 20°F |
| Laclede County, MO | 49 km northeast | 96 nights | 31 nights | 22°F |
| Douglas County, MO | 49 km southeast | 103 nights | 35 nights | 22°F |
Webster County within MO
Webster County ranks 89 of 115 MO counties for nights below 20°F. The most is Caldwell County, MO at 65 nights, with a 19°F average winter low. The fewest is Pemiscot County, MO: 14 nights, winter lows near 31°F. At 1,533 ft, Webster County sits 692 ft above the state's median county elevation of 842 ft.
What to do here
- Insulate every pipe in unheated space before the season starts.
- Heat tape on the runs you cannot insulate well.
- Shut off and drain outdoor spigots for the season.
When to have the house ready: when freeze season starts.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Marshfield (4 mi WSW), MO, 11 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.