Will Pipes Freeze in Hoonah-Angoon Census Area, AK? 37 nights a Year
Freeze nights in Hoonah-Angoon Census Area
In a normal year Hoonah-Angoon Census Area, AK gets 37 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 53% of US counties.
Risk level: Regular. The risk season runs October to April, worst in February.
It depends where the pipe is
| Pipe | Freezes near | Nights a year |
|---|---|---|
| Outdoor spigot, open crawlspace | 32°F | 154 nights |
| Bare pipe in garage, attic or outside wall | 20°F | 37 nights |
| Insulated pipe in unheated space | 10°F | 13 nights |
| Inside the heated house | 0°F | 2 nights |
Foam-sleeving a bare pipe in unheated space takes it from 37 nights of risk to 13 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 10/10, last around 05/06. For 20°F: 11/27 to 03/19.
How cold Hoonah-Angoon Census Area nights get
Average winter (Dec-Feb) low: 25°F; the coldest month, January, averages 24°F overnight. 10 months normally bring at least one night below 32°F (Jan, Feb, Mar, Apr, May, Jun, Sep, Oct, Nov, Dec). Nights below 10°F, cold enough to freeze insulated pipe in an unheated space, come in January, February, March, November, December: 13 nights a year, and 2 nights below zero.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 24°F | 24°F | 26°F | 31°F | 38°F | 44°F | 48°F | 47°F | 42°F | 36°F | 29°F | 26°F |
Hoonah-Angoon Census Area next to its neighbours
Haines Borough, AK, 79 km north, gets 69 nights below 20°F to Hoonah-Angoon Census Area's 37 nights. Sitka City and Borough, AK, 138 km south, gets 11 nights.
| County | Distance | Below 32°F | Below 20°F | Jan low |
|---|---|---|---|---|
| Hoonah-Angoon Census Area, AK | - | 154 nights | 37 nights | 24°F |
| Haines Borough, AK | 79 km north | 161 nights | 69 nights | 17°F |
| Juneau City and Borough, AK | 100 km east | 144 nights | 41 nights | 21°F |
| Skagway Municipality, AK | 132 km north | 143 nights | 45 nights | 21°F |
| Sitka City and Borough, AK | 138 km south | 96 nights | 11 nights | 30°F |
| Petersburg Borough, AK | 223 km southeast | 99 nights | 20 nights | 28°F |
| Yakutat City and Borough, AK | 314 km northwest | 164 nights | 50 nights | 21°F |
Hoonah-Angoon Census Area within AK
Hoonah-Angoon Census Area ranks 19 of 26 AK counties for nights below 20°F. The most is Southeast Fairbanks Census Area, AK at 192 nights, with a -19°F average winter low. The fewest is Ketchikan Gateway Borough, AK: 10 nights, winter lows near 32°F. At 103 ft, Hoonah-Angoon Census Area sits 719 ft below the state's median county elevation of 822 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.
Why 20°F is the line for a garage pipe: how cold before pipes freeze.
Where this comes from
NOAA 1991-2020 climate normals, blended from 3 nearby stations and adjusted for elevation; closest is Glacier Bay, AK, 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.