Frost dates for 81239Parlin, CO
The average last spring frost in Parlin is June 20 and the average first fall frost is September 8, giving a typical growing season of about 80 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jun 20
- Average first fall frost
- Sep 8
- Growing season
- 80 days
Safer after Jul 2 (1-in-10 risk)
Possible by Aug 25 (1-in-10 risk)
Last frost typically in 236 days
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) | — | — | 43 days | 100% |
| Frost / freeze (32°F) | Jun 7 · Jun 20 · Jul 2 | Aug 25 · Sep 8 · Sep 19 | 80 days | 100% |
| Hard freeze (28°F) | May 20 · Jun 2 · Jun 16 | Sep 9 · Sep 22 · Oct 3 | 111 days | 100% |
Where these dates come from
ZIP code 81239 is matched to the NOAA station Taylor Park, CO, 31.4 km away, at 9,180 ft elevation (239 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Taylor Park, CO (used) | 9,180 ft | Jun 20 | Sep 8 |
| Cochetopa Creek, CO | 8,006 ft | Jun 21 | Sep 5 |
| Sargents, CO | 8,460 ft | — | — |
| Gunnison 3Sw, CO | 7,622 ft | — | — |
Frost dates near Parlin
- Ohio City, CO 81237 · last Jun 20, first Sep 8
- Pitkin, CO 81241 · last Jun 20, first Sep 8
- Sargents, CO 81248 · last —, first —
- Gunnison, CO 81231 · last —, first —
- Monarch, CO 81227 · last Jun 20, first Sep 8
- Almont, CO 81210 · last Jun 20, first Sep 8
- Crested Butte, CO 81224 · last —, first —
- Poncha Springs, CO 81242 · last May 29, first Sep 20
Frequently asked questions
- When is the last frost in Parlin, CO?
- For ZIP code 81239, the average last spring frost (32°F) is June 20, based on NOAA 1991-2020 climate normals for the Taylor Park, CO weather station. There is a 1-in-10 chance of a frost after July 2.
- When is the first frost in Parlin, CO?
- The average first fall frost (32°F) is September 8. There is a 1-in-10 chance of frost by August 25, so tender plants are at risk from that point on.
- How long is the growing season in 81239?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 80 days long.
- 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.