Frost dates for Meeker, CO
At Meeker, the median last spring frost (32°F) is Jun 4 and the median first fall frost is Sep 16, for a typical growing season of 104 days. For a 90% chance that the last frost has passed, wait until Jun 23. Nearby ZIP codes are in USDA hardiness zones 5b to 6a.
- Jun 4Last spring frost (median)50% chance of 32°F after this date
- Jun 23Safer planting date10% chance of 32°F after this date
- Sep 16First fall frost (median)50% chance of 32°F by this date
- 104 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 32°F | May 21 | Jun 4 | Jun 23 |
| 28°F | May 4 | May 21 | Jun 7 |
| 24°F | Apr 21 | May 6 | May 23 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 32°F | Sep 3 | Sep 16 | Oct 1 |
| 28°F | Sep 11 | Sep 27 | Oct 11 |
| 24°F | Sep 22 | Oct 8 | Oct 23 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 48 days | 75 days | 97 days |
| 32°F | 79 days | 104 days | 125 days |
| 28°F | 103 days | 128 days | 150 days |
| 24°F | 128 days | 153 days | 176 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
Closest ZIP codes (each is closer to another station)
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 81641 | 5b | -15 to -10°F | 11 km |
| 81650 | 6a | -10 to -5°F | 36 km |
| 81638 | 5b | -15 to -10°F | 37 km |
| 81635 | 6a | -10 to -5°F | 57 km |
| 81647 | 6a | -10 to -5°F | 60 km |
| 81633 | 5b | -15 to -10°F | 62 km |
| 81652 | 6a | -10 to -5°F | 66 km |
| 81601 | 6a | -10 to -5°F | 70 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00055484, at 40.0358, -107.9058, elevation 1899 m (6,229 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 214.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Meeker Airport (2 km)
- Craig 4sw (53 km)
- Rifle 3ene (55 km)
- Maybell (56 km)
- Rifle Garfield Co Airport (59 km)
- Craig Moffat Co Airport (61 km)
- Massadona 3e (66 km)
- Altenbern (72 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.