Last frost date in Kaysville, UT
Expect the last frost in Kaysville around April 19. Frost after May 7 happens in only one year out of ten. The first fall frost usually arrives about October 19, which leaves 181 frost-free days. An early freeze before October 6 happens one year in ten.
- Safe after (10% risk)
- May 7
- Average first frost
- Oct 19
- Frost-free season
- 181 days
- Hard freeze (28°F) ends
- Apr 1
No frost in the next 7 nights
Later than usual: the average first frost here is October 19.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2248°
- FriOct 2341°
- SatOct 2440°
- SunOct 2539°
- MonOct 2640°
- TueOct 2740°
- WedOct 2842°
Planting calendar for Kaysville
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 1 | Apr 19 | May 7 | Oct 6 | Oct 19 | Nov 4 |
| Hard freeze, 28°F | Mar 12 | Apr 1 | Apr 19 | Oct 15 | Nov 1 | Nov 16 |
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 Farmington 3 NW (USC00422726) sits 0.9 miles from the center of Kaysville at 4,380 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 Kaysville, UT?
The average last frost date in Kaysville is April 19, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 7.
When is the first frost in Kaysville?
The first frost in fall usually comes around October 19. One year in ten it arrives before October 6.
How long is the growing season in Kaysville?
About 181 days between the average last and first frost.
When should I plant tomatoes in Kaysville?
Plant tomato seedlings outside from April 26 to May 10. Start seeds indoors six to eight weeks earlier.
Nearby in Utah
- LaytonApr 29
- FarmingtonApr 19
- ClearfieldApr 29
- SyracuseApr 22
- ClintonApr 22
- RoyApr 22
- BountifulApr 25
- North Salt LakeApr 24
- West HavenApr 22
- OgdenApr 21
- Salt Lake CityMar 31
- North OgdenApr 19