Frost dates for 80473Rand, CO
Frost is possible in any month near Rand, based on NOAA 1991-2020 records for the Grand Lake 1 Nw, CO 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) | — | — | 20 days | 100% |
| Frost / freeze (32°F) | — | — | 54 days | 100% |
| Hard freeze (28°F) | May 29 · Jun 12 · Jun 27 | Aug 28 · Sep 10 · Sep 22 | 88 days | 100% |
Where these dates come from
ZIP code 80473 is matched to the NOAA station Grand Lake 1 Nw, CO, 37.3 km away, at 8,721 ft elevation (131 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Grand Lake 1 Nw, CO (used) | 8,721 ft | — | — |
| Gould 4Se Sfsp, CO | 9,000 ft | — | — |
| Spicer, CO | 8,385 ft | — | — |
| Walden, CO | 8,056 ft | — | — |
Frost dates near Rand
- Walden, CO 80480 · last —, first —
- Coalmont, CO 80430 · last —, first —
- Grand Lake, CO 80447 · last —, first —
- Cowdrey, CO 80434 · last —, first —
- Hot Sulphur Springs, CO 80451 · last Jun 12, first Sep 10
- Kremmling, CO 80459 · last Jun 14, first Sep 5
- Granby, CO 80446 · last Jun 13, first Sep 7
- Steamboat Springs, CO 80477 · last Jun 9, first Sep 12
Frequently asked questions
- When is the last frost in Rand, CO?
- Frost is possible in any month at the nearest NOAA station (Grand Lake 1 Nw, CO), so there is no reliable average last frost date.
- When is the first frost in Rand, CO?
- 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.