Frost dates for 80511Estes Park, CO
Frost is possible in any month near Estes Park, based on NOAA 1991-2020 records for the Hourglass Rsvr, 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) | — | — | 36 days | 100% |
| Frost / freeze (32°F) | — | — | 69 days | 100% |
| Hard freeze (28°F) | May 23 · Jun 6 · Jun 23 | Sep 1 · Sep 14 · Sep 28 | 99 days | 100% |
Where these dates come from
ZIP code 80511 is matched to the NOAA station Hourglass Rsvr, CO, 7.3 km away, at 9,520 ft elevation (626 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Hourglass Rsvr, CO (used) | 9,520 ft | — | — |
| Rustic 9Wsw, CO | 7,701 ft | Jun 5 | Sep 16 |
| Buckhorn Mtn 1 E, CO | 7,400 ft | May 21 | Sep 29 |
| Estes Park 3 Sse, CO | 7,812 ft | May 30 | Sep 17 |
Frost dates near Estes Park
- Glen Haven, CO 80532 · last May 30, first Sep 17
- Bellvue, CO 80512 · last May 21, first Sep 29
- Drake, CO 80515 · last May 30, first Sep 17
- Red Feather Lakes, CO 80545 · last —, first —
- Estes Park, CO 80517 · last May 30, first Sep 17
- Livermore, CO 80536 · last May 31, first Sep 19
- Masonville, CO 80541 · last May 12, first Oct 1
- Laporte, CO 80535 · last May 2, first Oct 7
Frequently asked questions
- When is the last frost in Estes Park, CO?
- Frost is possible in any month at the nearest NOAA station (Hourglass Rsvr, CO), so there is no reliable average last frost date.
- When is the first frost in Estes Park, 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.