Frost dates for 59856Paradise, MT
Frost is possible in any month near Paradise, based on NOAA 1991-2020 records for the Saint Regis 1 Ne, MT 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) | — | — | 62 days | 100% |
| Frost / freeze (32°F) | — | — | 101 days | 100% |
| Hard freeze (28°F) | Apr 24 · May 11 · Jun 15 | Sep 6 · Sep 29 · Oct 15 | 139 days | 100% |
Where these dates come from
ZIP code 59856 is matched to the NOAA station Saint Regis 1 Ne, MT, 23.9 km away, at 2,660 ft elevation (173 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Saint Regis 1 Ne, MT (used) | 2,660 ft | — | — |
| Superior, MT | 2,710 ft | May 17 | Sep 23 |
| Haugan 1 W, MT | 3,160 ft | — | — |
| Thompson Falls Ph, MT | 2,380 ft | May 7 | Oct 4 |
Frost dates near Paradise
- Plains, MT 59859 · last —, first —
- Superior, MT 59872 · last May 17, first Sep 23
- Hot Springs, MT 59845 · last May 10, first Oct 5
- Saint Regis, MT 59866 · last —, first —
- Dixon, MT 59831 · last May 12, first Oct 2
- Lonepine, MT 59848 · last May 15, first Sep 28
- De Borgia, MT 59830 · last —, first —
- Haugan, MT 59842 · last —, first —
Frequently asked questions
- When is the last frost in Paradise, MT?
- Frost is possible in any month at the nearest NOAA station (Saint Regis 1 Ne, MT), so there is no reliable average last frost date.
- When is the first frost in Paradise, MT?
- 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.