Frost dates for 81625Craig, CO
The average last spring frost in Craig is June 6 and the average first fall frost is September 12, giving a typical growing season of about 96 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jun 6
- Average first fall frost
- Sep 12
- Growing season
- 96 days
Safer after Jun 24 (1-in-10 risk)
Possible by Aug 31 (1-in-10 risk)
Last frost typically in 222 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) | — | — | 66 days | 100% |
| Frost / freeze (32°F) | May 21 · Jun 6 · Jun 24 | Aug 31 · Sep 12 · Sep 25 | 96 days | 100% |
| Hard freeze (28°F) | May 4 · May 20 · Jun 6 | Sep 10 · Sep 23 · Oct 6 | 125 days | 100% |
Planting calendar for Craig
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 | May 6 – Jul 12 |
| Tomatoes | Transplant outdoors | Jun 22 – May 23 |
| Peppers | Start seeds indoors | May 6 – Jun 6 |
| Peppers | Transplant outdoors | Jul 6 – Aug 6 |
| Eggplant | Start seeds indoors | May 23 – Jun 21 |
| Eggplant | Transplant outdoors | Jul 6 – Aug 6 |
| Cucumbers | Sow outdoors | Jul 6 – Jun 2 |
| Summer squash | Sow outdoors | Jun 22 – Aug 6 |
| Winter squash & pumpkins | Sow outdoors | Jul 6 – Aug 6 |
| Snap beans | Sow outdoors | Jun 22 – Jun 25 |
| Sweet corn | Sow outdoors | Jun 22 – May 23 |
| Watermelon & cantaloupe | Sow outdoors | Jul 6 – Aug 6 |
| Okra | Sow outdoors | Jun 29 – Jul 22 |
| Peas | Sow outdoors (spring) | May 6 – Jun 21 |
| Potatoes | Plant outdoors (spring) | May 6 – Jul 6 |
| Onions | Start seeds indoors (spring) | Mar 25 – Apr 21 |
| Onions | Transplant outdoors (spring) | May 23 – Jun 21 |
| Broccoli | Start seeds indoors (spring) | Apr 18 – May 22 |
| Broccoli | Transplant outdoors (spring) | May 23 – Jun 21 |
| Broccoli | Start seeds indoors (fall) | May 13 – May 23 |
| Broccoli | Transplant outdoors (fall) | Jun 12 – Jun 23 |
| Cabbage | Start seeds indoors (spring) | Apr 8 – May 6 |
| Cabbage | Transplant outdoors (spring) | May 6 – Jun 6 |
| Cabbage | Start seeds indoors (fall) | May 3 – Jun 2 |
| Cabbage | Transplant outdoors (fall) | Jun 2 – Jul 3 |
| Leaf lettuce | Sow outdoors (spring) | May 6 – Jul 22 |
| Leaf lettuce | Sow outdoors (fall) | Jun 2 – Jul 19 |
| Spinach | Sow outdoors (spring) | Apr 29 – Jun 12 |
| Spinach | Sow outdoors (fall) | Jun 19 – Jul 24 |
| Radishes | Sow outdoors (spring) | May 6 – Jun 26 |
| Radishes | Sow outdoors (fall) | Jun 2 – Aug 3 |
| Kale | Sow outdoors (spring) | May 23 – Jun 12 |
| Kale | Sow outdoors (fall) | May 26 – Jul 3 |
| Carrots | Sow outdoors (spring) | Jun 6 – Jul 22 |
| Carrots | Sow outdoors (fall) | May 3 – Jun 18 |
| Garlic | Plant outdoors (fall) | Sep 2 – Oct 3 |
Where these dates come from
ZIP code 81625 is matched to the NOAA station Craig Moffat Co Ap, CO, 4.6 km away, at 6,186 ft elevation (123 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Craig Moffat Co Ap, CO (used) | 6,186 ft | Jun 6 | Sep 12 |
| Craig 4Sw, CO | 6,496 ft | May 29 | Sep 20 |
| Hayden, CO | 6,467 ft | Jun 1 | Sep 20 |
| Maybell, CO | 5,944 ft | Jun 16 | Sep 9 |
Frost dates near Craig
- Craig, CO 81626 · last Jun 6, first Sep 12
- Hamilton, CO 81638 · last May 29, first Sep 20
- Hayden, CO 81639 · last Jun 1, first Sep 20
- Steamboat Springs, CO 80487 · last Jun 9, first Sep 12
- Slater, CO 81653 · last Jun 1, first Sep 18
- Baggs, WY 82321 · last Jun 1, first Sep 18
- Dixon, WY 82323 · last Jun 1, first Sep 18
- Clark, CO 80428 · last Jun 9, first Sep 12
Frequently asked questions
- When is the last frost in Craig, CO?
- For ZIP code 81625, the average last spring frost (32°F) is June 6, based on NOAA 1991-2020 climate normals for the Craig Moffat Co Ap, CO weather station. There is a 1-in-10 chance of a frost after June 24.
- When is the first frost in Craig, CO?
- The average first fall frost (32°F) is September 12. There is a 1-in-10 chance of frost by August 31, so tender plants are at risk from that point on.
- How long is the growing season in 81625?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 96 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.