Frost dates for 55782Soudan, MN
Frost is possible in any month near Soudan, based on NOAA 1991-2020 records for the Tower 2S, MN 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) | — | — | 58 days | 100% |
| Frost / freeze (32°F) | — | — | 89 days | 100% |
| Hard freeze (28°F) | May 7 · May 26 · Jun 16 | Sep 2 · Sep 20 · Oct 6 | 118 days | 100% |
Where these dates come from
ZIP code 55782 is matched to the NOAA station Tower 2S, MN, 5 km away, at 1,430 ft elevation (141 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Tower 2S, MN (used) | 1,430 ft | — | — |
| Embarrass, MN | 1,425 ft | — | — |
| Cook 8Ne, MN | 1,355 ft | May 12 | Oct 1 |
| Babbitt, MN | 1,481 ft | May 28 | Sep 14 |
Frost dates near Soudan
- Tower, MN 55790 · last —, first —
- Embarrass, MN 55732 · last —, first —
- Babbitt, MN 55706 · last May 28, first Sep 14
- Angora, MN 55703 · last May 12, first Oct 1
- Ely, MN 55731 · last May 14, first Sep 29
- Biwabik, MN 55708 · last —, first —
- Britt, MN 55710 · last May 12, first Oct 1
- Hoyt Lakes, MN 55750 · last —, first —
Frequently asked questions
- When is the last frost in Soudan, MN?
- Frost is possible in any month at the nearest NOAA station (Tower 2S, MN), so there is no reliable average last frost date.
- When is the first frost in Soudan, MN?
- 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.