Frost Line Depth in Fayetteville, Arkansas
- 1 verified code nearby
- Checked Oct 2026
No official local value
No official frost line depth is published for Fayetteville.
Nearby official codes require 18 in (1 verified code).
Source and how we checked
We searched this place’s own code and website and found no published frost line depth.
Climate: 83 nights a year at or below 32 °F (NOAA 1991–2020, Fayetteville Exp Stn, 2.1 mi).
Checked Oct 2026. Report a correction
Does Fayetteville have an official frost line depth?
No adopted frost line depth found for Fayetteville in its official documents (checked Oct 2026). The nearest official values, from codes we verified, are 18 in. Use the deepest of them until the building department confirms Fayetteville’s own number.
What frost line depth does Fayetteville use for footings under Table R301.2(1)? Is it 18 in, like Rogers?
How deep do footings, decks and water lines need to be in Fayetteville?
Drawn with the deepest nearby official value (18 in). Confirm Fayetteville’s own depth before you dig.
House or garage footing in Fayetteville: dig at least 18 in (46 cm). Below the frost line and at least 12 in deep (IRC R403.1.4).
| Project | Depth | Rule |
|---|---|---|
| House or garage footing | 18 in | Below the frost line and at least 12 in deep (IRC R403.1.4) |
| Deck footing (attached) | 18 in | Below the frost line and at least 12 in deep (IRC R507.3) |
| Water service line | 24 in | 6 in below the frost line and at least 12 in deep (IRC P2603.5) |
| Fence post bottom | 18 in | No code rule; common practice is below the frost line |
Work out posts, concrete and footing sizes with the fence post depth calculator or the deck footing calculator.
How cold does it get in Fayetteville?
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
Average lows are at or below freezing from Dec to Feb. 83 nights a year reach 32 °F or colder; Jan is coldest, with an average low of 26.9 °F.
NOAA 1991–2020 climate normals, Fayetteville Exp Stn station, 2.1 mi away, elevation 1,270 ft.
Monthly temperatures as a table
| °F | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low | 26.9 | 30 | 37.9 | 47.2 | 56.2 | 65.5 | 69.4 | 67.7 | 59.8 | 47.9 | 37.7 | 29.8 |
| High | 46.5 | 51.2 | 59.1 | 69 | 75.9 | 84.1 | 88.7 | 88.6 | 81.4 | 70.9 | 58.6 | 49.6 |
Fayetteville has more freezing nights than 17 of the 25 other Arkansas places we track. The Arkansas median is 66. Coldest: Benton County; mildest: Miller County.
What frost line depth do towns near Fayetteville use?
One official code near Fayetteville is verified.
| Place | Verified frost line | Distance |
|---|---|---|
| Rogers | 18 in | 17 mi away |
How likely is the soil in Fayetteville to heave?
USDA rates the sampled soil around Fayetteville as 89% none, 11% high for frost action (main soils: Enders, Pembroke, Fayetteville).
USDA NRCS soil survey, 9 sample points within 2 mi. Higher frost action means more risk of heave; see frost heave.
Fayetteville at a glance
- Frost line depth
- No official local value
- County
- Washington County
- Population (2023 est.)
- 101,680
- Mean annual temperature
- 58.3 °F
- ZIP codes (5)
- 72701 · 72703 · 72704 · 72730 · 72764