Last frost date in Brigham City, Utah
May 5
Average last frost in spring. In an early year (1 in 10) it's over by April 20; in a late year (1 in 10) it comes after May 29.
October 5
Average first frost in fall. 1 year in 10 it comes by September 20.
Source: NOAA U.S. Climate Normals 1991–2020, station Brigham City Waste Plt (USC00420928), 1.3 miles from Brigham City, elevation 4,240 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Apr 20 | May 5 | May 29 |
| First frost in fall | Sept 20 | Oct 5 | Oct 19 |
Frost-free days in an average year: 150
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | May 23 | Sept 24 |
| Frost (32°F) | Every year | May 5 | Oct 5 |
| Hard freeze (28°F) | Every year | Apr 18 | Oct 17 |
Nights at 32°F or colder in an average year: 149
What to plant now in Brigham City
- Spring planting calendar for an average last frost around April 30 Brigham City: May 5
- Fall planting calendar for an average first frost around September 30 Brigham City: October 5
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Utah
- Hyrum 14 mi · last frost May 12
- North Ogden 14 mi · last frost Apr 19
- Tremonton 16 mi · last frost Apr 24
- Logan 19 mi · last frost May 8
- Ogden 20 mi · last frost Apr 21
Updated