Frost dates for 49861Michigamme, MI
Frost is possible in any month near Michigamme, based on NOAA 1991-2020 records for the Champion Van Riper Pk, MI station.
Frost is possible in any month. Even summer nights can drop to freezing at this station, so protect tender plants whenever cold nights are forecast.
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | — | — | 65 days | 100% |
| Frost / freeze (32°F) | — | — | 96 days | 100% |
| Hard freeze (28°F) | May 8 · May 28 · Jun 17 | Sep 8 · Oct 1 · Oct 18 | 126 days | 100% |
Where these dates come from
ZIP code 49861 is matched to the NOAA station Champion Van Riper Pk, MI, 8.2 km away, at 1,599 ft elevation (51 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Champion Van Riper Pk, MI (used) | 1,599 ft | — | — |
| Clarksburg, MI | 1,554 ft | Jun 5 | Sep 10 |
| Herman, MI | 1,717 ft | May 31 | Sep 22 |
| Ishpeming Wwtp, MI | 1,406 ft | May 26 | Sep 25 |
Frost dates near Michigamme
- Republic, MI 49879 · last —, first —
- Champion, MI 49814 · last —, first —
- Ishpeming, MI 49849 · last May 22, first Sep 29
- Covington, MI 49919 · last May 17, first Sep 30
- Lanse, MI 49946 · last May 25, first Sep 23
- National Mine, MI 49865 · last May 22, first Sep 29
- Skanee, MI 49962 · last Jun 1, first Sep 23
- Negaunee, MI 49866 · last May 22, first Sep 29
Frequently asked questions
- When is the last frost in Michigamme, MI?
- Frost is possible in any month at the nearest NOAA station (Champion Van Riper Pk, MI), so there is no reliable average last frost date.
- When is the first frost in Michigamme, MI?
- Frost is possible in any month at the nearest NOAA station.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.