Last frost date in Kalamazoo, MI
In Kalamazoo, the last spring frost comes around April 28 in an average year. Wait until May 13 if you want 90% odds of no more frost. The first fall frost usually arrives about October 18, which leaves 172 frost-free days. An early freeze before October 2 happens one year in ten.
- Safe after (10% risk)
- May 13
- Average first frost
- Oct 18
- Frost-free season
- 172 days
- Hard freeze (28°F) ends
- Apr 17
No frost in the next 7 nights
Later than usual: the average first frost here is October 18.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2243°
- FriOct 2343°
- SatOct 2446°
- SunOct 2547°
- MonOct 2644°
- TueOct 2741°
- WedOct 2842°
Planting calendar for Kalamazoo
Windows count forward or back from the average frost dates above. Click a crop for dates across Michigan.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 13 | Apr 28 | May 13 | Oct 2 | Oct 18 | Nov 1 |
| Hard freeze, 28°F | Apr 3 | Apr 17 | May 3 | Oct 16 | Nov 1 | Nov 14 |
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 Kalamazoo Battle Ck International Airport (USW00094815) sits 3.4 miles from the center of Kalamazoo at 868 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 Kalamazoo, MI?
The average last frost date in Kalamazoo is April 28, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 13.
When is the first frost in Kalamazoo?
The first frost in fall usually comes around October 18. One year in ten it arrives before October 2.
How long is the growing season in Kalamazoo?
About 172 days between the average last and first frost.
When should I plant tomatoes in Kalamazoo?
Plant tomato seedlings outside from May 5 to May 19. Start seeds indoors six to eight weeks earlier.
Nearby in Michigan
- PortageApr 28
- Battle CreekApr 30
- KentwoodApr 30
- HollandApr 28
- WyomingMay 6
- Grand RapidsMay 6
- Forest HillsApr 29
- WalkerMay 6
- AllendaleApr 30
- WaverlyMay 1
- HoltApr 28
- LansingMay 1