Last frost date in Wyoming, MI
The average last frost in Wyoming is May 6. By May 23 the chance of another 32°F night drops to 1 in 10. The first fall frost usually arrives about October 10, which leaves 157 frost-free days. An early freeze before September 29 happens one year in ten.
- Safe after (10% risk)
- May 23
- Average first frost
- Oct 10
- Frost-free season
- 157 days
- Hard freeze (28°F) ends
- Apr 27
No frost in the next 7 nights
Later than usual: the average first frost here is October 10.
National Weather Service forecast, updated Oct 22, 12:24 UTC
- ThuOct 2244°
- FriOct 2344°
- SatOct 2448°
- SunOct 2549°
- MonOct 2644°
- TueOct 2741°
- WedOct 2844°
Planting calendar for Wyoming
Windows count forward or back from the average frost dates above. Click a crop for dates across Michigan.
TomatoesMay 13–May 27
PumpkinsMay 20–Jun 3
SunflowersMay 6–May 27
CucumbersMay 20–May 27
CornMay 13–May 27
Sweet potatoesMay 27–Jun 10
WatermelonMay 20–Jun 3
Green beansMay 13–Jun 3
ZucchiniMay 13–May 27
OkraMay 27–Jun 10
PeppersMay 20–Jun 3
BasilMay 13–May 27
Butternut squashMay 13–May 27
CantaloupeMay 20–Jun 3
EggplantMay 20–Jun 3
PotatoesApr 8–Apr 22
OnionsMar 25–Apr 15
CarrotsApr 15–May 20
LettuceApr 22–May 13
BroccoliApr 8–Apr 22
BeetsApr 8–May 20
PeasMar 25–Apr 8
CabbageApr 8–Apr 22
RadishesApr 1–May 13
Brussels sproutsApr 22–May 6
SpinachMar 25–Apr 15
CilantroApr 22–May 13
KaleApr 8–Apr 22
Collard greensApr 8–Apr 22
TurnipsApr 8–Apr 22
DillMay 6–May 20
CeleryMay 13–May 20
CauliflowerApr 22–May 6
LeeksApr 22–May 6
Swiss chardApr 22–May 20
ParsleyApr 22–May 13
Tulip bulbsSep 26–Oct 31
GarlicSep 19–Oct 24
Daffodil bulbsSep 12–Oct 24
StrawberriesApr 8–Apr 22
AsparagusApr 8–Apr 22Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 24 | May 6 | May 23 | Sep 29 | Oct 10 | Oct 25 |
| Hard freeze, 28°F | Apr 11 | Apr 27 | May 13 | 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 E Grand Rapids (USC00202375) sits 5.8 miles from the center of Wyoming at 746 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 Wyoming, MI?
The average last frost date in Wyoming is May 6, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 23.
When is the first frost in Wyoming?
The first frost in fall usually comes around October 10. One year in ten it arrives before September 29.
How long is the growing season in Wyoming?
About 157 days between the average last and first frost.
When should I plant tomatoes in Wyoming?
Plant tomato seedlings outside from May 13 to May 27. Start seeds indoors six to eight weeks earlier.
Nearby in Michigan
- Grand RapidsMay 6
- KentwoodApr 30
- WalkerMay 6
- Forest HillsApr 29
- AllendaleApr 30
- HollandApr 28
- Norton ShoresApr 30
- MuskegonApr 30
- KalamazooApr 28
- Battle CreekApr 30
- PortageApr 28
- WaverlyMay 1