Will Pipes Freeze in Yuma County, AZ? under 1 night a Year
Freeze nights in Yuma County
In a normal year Yuma County, AZ 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 3% of US counties.
Risk level: Rare.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 21 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 12/01, last around 02/13. For 20°F: 01/02 to 01/05.
How cold Yuma County nights get
Average winter (Dec-Feb) low: 39°F; the coldest month, December, averages 37°F overnight. 4 months normally bring at least one night below 32°F (Jan, Feb, Nov, Dec).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 38°F | 42°F | 47°F | 53°F | 61°F | 69°F | 79°F | 79°F | 72°F | 57°F | 44°F | 37°F |
Yuma County next to its neighbours
Pima County, AZ, 212 km east, gets 2 nights below 20°F to Yuma County's under 1 night.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Yuma County, AZ | - | 21 nights | under 1 night | 38°F |
| La Paz County, AZ | 107 km north | 14 nights | under 1 night | 41°F |
| Imperial County, CA | 138 km west | 5 nights | none | 42°F |
| Maricopa County, AZ | 146 km northeast | 6 nights | none | 43°F |
| Pima County, AZ | 212 km east | 36 nights | 2 nights | 36°F |
| Riverside County, CA | 222 km northwest | 14 nights | under 1 night | 40°F |
| Pinal County, AZ | 238 km east | 22 nights | under 1 night | 39°F |
Yuma County within AZ
Yuma County ranks 12 of 15 AZ counties for nights below 20°F. The most is Coconino County, AZ at 67 nights, with a 20°F average winter low. The fewest is Maricopa County, AZ: none, winter lows near 43°F. At 279 ft, Yuma County sits 3,792 ft below the state's median county elevation of 4,072 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 Tacna (3 mi NE), AZ, 6 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.