Last frost date in Springville, UT

Average last frost
April 18

Expect the last frost in Springville around April 18. Frost after May 5 happens in only one year out of ten. The first fall frost usually arrives about October 21, which leaves 185 frost-free days. An early freeze before October 7 happens one year in ten.

Safe after (10% risk)
May 5
Average first frost
Oct 21
Frost-free season
185 days
Hard freeze (28°F) ends
Mar 31
Next 7 nights in Springville

No frost in the next 7 nights

Later than usual: the average first frost here is October 21.

National Weather Service forecast, updated Oct 22, 12:57 UTC

  1. ThuOct 2248°
  2. FriOct 2343°
  3. SatOct 2442°
  4. SunOct 2541°
  5. MonOct 2641°
  6. TueOct 2741°
  7. WedOct 2843°
JanFebMarAprMayJunJulAugSepOctNovDecLast frost Apr 18First frost Oct 21185 frost-free daysBlue: chance of 32°F frost. Green: average frost-free season.JFMAMJJASOND185 frost-free days
Frost risk through the year at Provo Byu, 5.9 miles from Springville.

Planting calendar for Springville

Windows count forward or back from the average frost dates above. Click a crop for dates across Utah.

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
Warm-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
TomatoesApr 25–May 9
PumpkinsMay 2–May 16
SunflowersApr 18–May 9
CucumbersMay 2–May 9
CornApr 25–May 9
Sweet potatoesMay 9–May 23
WatermelonMay 2–May 16
Green beansApr 25–May 16
ZucchiniApr 25–May 9
OkraMay 9–May 23
PeppersMay 2–May 16
BasilApr 25–May 9
Butternut squashApr 25–May 9
CantaloupeMay 2–May 16
EggplantMay 2–May 16
Cool-season crops
JanFebMarAprMayJunJulAugSepOctNovDec
PotatoesMar 21–Apr 4
OnionsMar 7–Mar 28
CarrotsMar 28–May 2
LettuceApr 4–Apr 25
BroccoliMar 21–Apr 4
BeetsMar 21–May 2
PeasMar 7–Mar 21
CabbageMar 21–Apr 4
RadishesMar 14–Apr 25
Brussels sproutsApr 4–Apr 18
SpinachMar 7–Mar 28
CilantroApr 4–Apr 25
KaleMar 21–Apr 4
Collard greensMar 21–Apr 4
TurnipsMar 21–Apr 4
DillApr 18–May 2
CeleryApr 25–May 2
CauliflowerApr 4–Apr 18
LeeksApr 4–Apr 18
Swiss chardApr 4–May 2
ParsleyApr 4–Apr 25
Fall bulbs and garlic
JanFebMarAprMayJunJulAugSepOctNovDec
Tulip bulbsOct 7–Nov 11
GarlicSep 30–Nov 4
Daffodil bulbsSep 23–Nov 4
Perennials
JanFebMarAprMayJunJulAugSepOctNovDec
StrawberriesMar 21–Apr 4
AsparagusMar 21–Apr 4

Frost probabilities

ThresholdSpring, 90% chance laterSpring, 50%Spring, 10%Fall, 10% chance earlierFall, 50%Fall, 90%
Light frost, 32°FMar 31Apr 18May 5Oct 7Oct 21Nov 4
Hard freeze, 28°FMar 8Mar 31Apr 17Oct 19Nov 1Nov 15

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 Provo Byu (USC00427064) sits 5.9 miles from the center of Springville at 4,570 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 Springville, UT?

The average last frost date in Springville is April 18, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 5.

When is the first frost in Springville?

The first frost in fall usually comes around October 21. One year in ten it arrives before October 7.

How long is the growing season in Springville?

About 185 days between the average last and first frost.

When should I plant tomatoes in Springville?

Plant tomato seedlings outside from April 25 to May 9. Start seeds indoors six to eight weeks earlier.

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