When is the last frost in Silver Gate, MT?

Frost is possible in any month at the nearest NOAA station (Cooke City 2 W, MT), so there is no reliable average last frost date.

When is the first frost in Silver Gate, 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.

Frost dates for 59081Silver Gate, MT

Frost is possible in any month near Silver Gate, based on NOAA 1991-2020 records for the Cooke City 2 W, 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.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
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)	—	—	15 days	100%
Frost / freeze (32°F)	—	—	36 days	100%
Hard freeze (28°F)	Jun 1 · Jun 18 · Jul 6	Aug 17 · Sep 4 · Sep 17	75 days	100%

Where these dates come from

ZIP code 59081 is matched to the NOAA station Cooke City 2 W, MT, 0.7 km away, at 7,483 ft elevation (42 ft higher than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Cooke City 2 W, MT (used)	7,483 ft	—	—
Silver Gate, MT	7,495 ft	—	—
Lamar Rs, WY	6,575 ft	—	—
Mystic Lake, MT	6,544 ft	Jun 5	Sep 14

Frost dates near Silver Gate

Cooke City, MT 59020 · last —, first —
Roscoe, MT 59071 · last Jun 3, first Sep 19
Gardiner, MT 59030 · last —, first —
Nye, MT 59061 · last Jun 1, first Sep 11
Fishtail, MT 59028 · last Jun 3, first Sep 19
Yellowstone National Park, WY 82190 · last —, first —
Red Lodge, MT 59068 · last Jun 3, first Sep 19
Mc Leod, MT 59052 · last Jun 5, first Sep 14

Frequently asked questions

When is the last frost in Silver Gate, MT?: Frost is possible in any month at the nearest NOAA station (Cooke City 2 W, MT), so there is no reliable average last frost date.
When is the first frost in Silver Gate, 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.