Frost dates for 81422Naturita, CO
The average last spring frost in Naturita is April 26 and the average first fall frost is October 18, giving a typical growing season of about 174 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 26
- Average first fall frost
- Oct 18
- Growing season
- 174 days
Safer after May 8 (1-in-10 risk)
Possible by Oct 6 (1-in-10 risk)
Last frost typically in 174 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) | Apr 26 · May 7 · May 23 | Sep 27 · Oct 8 · Oct 20 | 152 days | 100% |
| Frost / freeze (32°F) | Apr 10 · Apr 26 · May 8 | Oct 6 · Oct 18 · Oct 31 | 174 days | 100% |
| Hard freeze (28°F) | Mar 24 · Apr 12 · Apr 28 | Oct 15 · Oct 27 · Nov 9 | 198 days | 100% |
Planting calendar for Naturita
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Mar 26 – Jun 1 |
| Tomatoes | Transplant outdoors | May 12 – Jun 28 |
| Peppers | Start seeds indoors | Mar 26 – Apr 26 |
| Peppers | Transplant outdoors | May 26 – Jun 26 |
| Eggplant | Start seeds indoors | Apr 12 – May 11 |
| Eggplant | Transplant outdoors | May 26 – Jun 26 |
| Cucumbers | Sow outdoors | May 26 – Jul 8 |
| Summer squash | Sow outdoors | May 12 – Jun 26 |
| Winter squash & pumpkins | Sow outdoors | May 26 – Jun 26 |
| Snap beans | Sow outdoors | May 12 – Jul 31 |
| Sweet corn | Sow outdoors | May 12 – Jun 28 |
| Watermelon & cantaloupe | Sow outdoors | May 26 – Jun 26 |
| Okra | Sow outdoors | May 19 – Jun 11 |
| Peas | Sow outdoors (spring) | Mar 26 – May 11 |
| Potatoes | Plant outdoors (spring) | Mar 26 – May 26 |
| Onions | Start seeds indoors (spring) | Feb 12 – Mar 11 |
| Onions | Transplant outdoors (spring) | Apr 12 – May 11 |
| Broccoli | Start seeds indoors (spring) | Mar 8 – Apr 11 |
| Broccoli | Transplant outdoors (spring) | Apr 12 – May 11 |
| Broccoli | Start seeds indoors (fall) | Jun 18 – Jun 28 |
| Broccoli | Transplant outdoors (fall) | Jul 18 – Jul 29 |
| Cabbage | Start seeds indoors (spring) | Feb 26 – Mar 26 |
| Cabbage | Transplant outdoors (spring) | Mar 26 – Apr 26 |
| Cabbage | Start seeds indoors (fall) | Jun 8 – Jul 8 |
| Cabbage | Transplant outdoors (fall) | Jul 8 – Aug 8 |
| Leaf lettuce | Sow outdoors (spring) | Mar 26 – Jun 11 |
| Leaf lettuce | Sow outdoors (fall) | Jul 8 – Aug 24 |
| Spinach | Sow outdoors (spring) | Mar 19 – May 2 |
| Spinach | Sow outdoors (fall) | Jul 25 – Aug 29 |
| Radishes | Sow outdoors (spring) | Mar 26 – May 16 |
| Radishes | Sow outdoors (fall) | Jul 8 – Sep 8 |
| Kale | Sow outdoors (spring) | Apr 12 – May 2 |
| Kale | Sow outdoors (fall) | Jul 1 – Aug 8 |
| Carrots | Sow outdoors (spring) | Apr 26 – Jun 11 |
| Carrots | Sow outdoors (fall) | Jun 8 – Jul 24 |
| Garlic | Plant outdoors (fall) | Oct 8 – Nov 8 |
Where these dates come from
ZIP code 81422 is matched to the NOAA station Uravan, CO, 23.2 km away, at 5,021 ft elevation (396 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Uravan, CO (used) | 5,021 ft | Apr 26 | Oct 18 |
| Norwood, CO | 7,020 ft | May 25 | Oct 1 |
| Norwood #2, CO | 7,011 ft | May 21 | Oct 1 |
| Paradox 2N, CO | 5,447 ft | May 11 | Oct 5 |
Frost dates near Naturita
- Nucla, CO 81424 · last Apr 26, first Oct 18
- Redvale, CO 81431 · last May 25, first Oct 1
- Norwood, CO 81423 · last May 25, first Oct 1
- Bedrock, CO 81411 · last May 17, first Oct 6
- Paradox, CO 81429 · last May 11, first Oct 5
- Egnar, CO 81325 · last Jun 3, first Sep 25
- Placerville, CO 81430 · last May 26, first Sep 29
- Montrose, CO 81403 · last Jun 11, first Sep 13
Frequently asked questions
- When is the last frost in Naturita, CO?
- For ZIP code 81422, the average last spring frost (32°F) is April 26, based on NOAA 1991-2020 climate normals for the Uravan, CO weather station. There is a 1-in-10 chance of a frost after May 8.
- When is the first frost in Naturita, CO?
- The average first fall frost (32°F) is October 18. There is a 1-in-10 chance of frost by October 6, so tender plants are at risk from that point on.
- How long is the growing season in 81422?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 174 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.