Will Pipes Freeze in South Central Connecticut Planning Region, CT? 32 nights a Year
Freeze nights in South Central Connecticut Planning Region
In a normal year South Central Connecticut Planning Region, CT 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 | 106 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 32 nights |
| Insulated pipe in unheated space | 10°F | 8 nights |
| Inside the heated house | 0°F | 1 night |
Foam-sleeving a bare pipe in unheated space takes it from 32 nights of risk to 8 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 10/27, last around 04/17. For 20°F: 12/04 to 03/13.
How cold South Central Connecticut Planning Region nights get
Average winter (Dec-Feb) low: 25°F; the coldest month, January, averages 23°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: 8 nights a year, and 1 night below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 23°F | 23°F | 30°F | 39°F | 49°F | 59°F | 65°F | 64°F | 57°F | 45°F | 36°F | 28°F |
South Central Connecticut Planning Region next to its neighbours
Lower Connecticut River Valley Planning Region, CT, 32 km northeast, gets 45 nights below 20°F to South Central Connecticut Planning Region's 32 nights. Greater Bridgeport Planning Region, CT, 33 km west, gets 28 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| South Central Connecticut Planning Region, CT | - | 106 nights | 32 nights | 23°F |
| Lower Connecticut River Valley Planning Region, CT | 32 km northeast | 125 nights | 45 nights | 20°F |
| Naugatuck Valley Planning Region, CT | 33 km northwest | 131 nights | 48 nights | 19°F |
| Greater Bridgeport Planning Region, CT | 33 km west | 96 nights | 28 nights | 24°F |
| Suffolk County, NY | 40 km south | 101 nights | 29 nights | 24°F |
| Western Connecticut Planning Region, CT | 51 km west | 130 nights | 48 nights | 19°F |
| Capitol Planning Region, CT | 62 km north | 123 nights | 45 nights | 20°F |
South Central Connecticut Planning Region within CT
South Central Connecticut Planning Region ranks 8 of 9 CT counties for nights below 20°F. The most is Northwest Hills Planning Region, CT at 69 nights, with a 17°F average winter low. The fewest is Greater Bridgeport Planning Region, CT: 28 nights, winter lows near 26°F. At 41 ft, South Central Connecticut Planning Region sits 252 ft below the state's median county elevation of 293 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 New Haven Tweed Airport, CT, 5 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.