Last frost date in Muskegon, MI
Expect the last frost in Muskegon around April 30. Frost after May 18 happens in only one year out of ten. The first fall frost usually arrives about October 19, which leaves 170 frost-free days. An early freeze before October 2 happens one year in ten.
- Safe after (10% risk)
- May 18
- Average first frost
- Oct 19
- Frost-free season
- 170 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 19.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2246°
- FriOct 2347°
- SatOct 2452°
- SunOct 2550°
- MonOct 2644°
- TueOct 2742°
- WedOct 2846°
Planting calendar for Muskegon
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 17 | Apr 30 | May 18 | Oct 2 | Oct 19 | Nov 3 |
| Hard freeze, 28°F | Apr 4 | Apr 19 | May 7 | Oct 17 | Nov 2 | Nov 19 |
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 Muskegon County Airport (USW00014840) sits 4.0 miles from the center of Muskegon at 625 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 Muskegon, MI?
The average last frost date in Muskegon is April 30, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 18.
When is the first frost in Muskegon?
The first frost in fall usually comes around October 19. One year in ten it arrives before October 2.
How long is the growing season in Muskegon?
About 170 days between the average last and first frost.
When should I plant tomatoes in Muskegon?
Plant tomato seedlings outside from May 7 to May 21. Start seeds indoors six to eight weeks earlier.
Nearby in Michigan
- Norton ShoresApr 30
- AllendaleApr 30
- WalkerMay 6
- HollandApr 28
- Grand RapidsMay 6
- WyomingMay 6
- KentwoodApr 30
- Forest HillsApr 29
- KalamazooApr 28
- Mount PleasantApr 30
- PortageApr 28
- Battle CreekApr 30