Last frost date in Payson, UT
Expect the last frost in Payson around May 4. Frost after May 28 happens in only one year out of ten. The first fall frost usually arrives about October 11, which leaves 157 frost-free days. An early freeze before September 27 happens one year in ten.
- Safe after (10% risk)
- May 28
- Average first frost
- Oct 11
- Frost-free season
- 157 days
- Hard freeze (28°F) ends
- Apr 19
No frost in the next 7 nights
Later than usual: the average first frost here is October 11.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2244°
- FriOct 2339°
- SatOct 2438°
- SunOct 2537°
- MonOct 2638°
- TueOct 2737°
- WedOct 2840°
Planting calendar for Payson
Windows count forward or back from the average frost dates above. Click a crop for dates across Utah.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 18 | May 4 | May 28 | Sep 27 | Oct 11 | Oct 26 |
| Hard freeze, 28°F | Mar 31 | Apr 19 | May 10 | Oct 8 | Oct 23 | Nov 7 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Santaquin Chlorinator (USC00427686) sits 5.8 miles from the center of Payson at 5,160 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Payson, UT?
The average last frost date in Payson is May 4, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 28.
When is the first frost in Payson?
The first frost in fall usually comes around October 11. One year in ten it arrives before September 27.
How long is the growing season in Payson?
About 157 days between the average last and first frost.
When should I plant tomatoes in Payson?
Plant tomato seedlings outside from May 11 to May 25. Start seeds indoors six to eight weeks earlier.
Nearby in Utah
- Spanish ForkApr 25
- SpringvilleApr 18
- ProvoApr 18
- OremApr 19
- Pleasant GroveApr 17
- Saratoga SpringsApr 30
- American ForkApr 17
- Eagle MountainJun 2
- HighlandMay 3
- LehiApr 30
- DraperApr 18
- HerrimanApr 18