Frost dates for 80758Wray, CO
The average last spring frost in Wray is May 7 and the average first fall frost is October 6, giving a typical growing season of about 151 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 7
- Average first fall frost
- Oct 6
- Growing season
- 151 days
Safer after May 19 (1-in-10 risk)
Possible by Sep 25 (1-in-10 risk)
Last frost typically in 192 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) | May 5 · May 16 · May 29 | Sep 16 · Sep 29 · Oct 9 | 134 days | 100% |
| Frost / freeze (32°F) | Apr 25 · May 7 · May 19 | Sep 25 · Oct 6 · Oct 16 | 151 days | 100% |
| Hard freeze (28°F) | Apr 14 · Apr 29 · May 11 | Oct 2 · Oct 15 · Oct 23 | 167 days | 100% |
Planting calendar for Wray
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 | Apr 6 – Jun 12 |
| Tomatoes | Transplant outdoors | May 23 – Jun 16 |
| Peppers | Start seeds indoors | Apr 6 – May 7 |
| Peppers | Transplant outdoors | Jun 6 – Jul 7 |
| Eggplant | Start seeds indoors | Apr 23 – May 22 |
| Eggplant | Transplant outdoors | Jun 6 – Jul 7 |
| Cucumbers | Sow outdoors | Jun 6 – Jun 26 |
| Summer squash | Sow outdoors | May 23 – Jul 7 |
| Winter squash & pumpkins | Sow outdoors | Jun 6 – Jul 7 |
| Snap beans | Sow outdoors | May 23 – Jul 19 |
| Sweet corn | Sow outdoors | May 23 – Jun 16 |
| Watermelon & cantaloupe | Sow outdoors | Jun 6 – Jul 7 |
| Okra | Sow outdoors | May 30 – Jun 22 |
| Peas | Sow outdoors (spring) | Apr 6 – May 22 |
| Potatoes | Plant outdoors (spring) | Apr 6 – Jun 6 |
| Onions | Start seeds indoors (spring) | Feb 23 – Mar 22 |
| Onions | Transplant outdoors (spring) | Apr 23 – May 22 |
| Broccoli | Start seeds indoors (spring) | Mar 19 – Apr 22 |
| Broccoli | Transplant outdoors (spring) | Apr 23 – May 22 |
| Broccoli | Start seeds indoors (fall) | Jun 6 – Jun 16 |
| Broccoli | Transplant outdoors (fall) | Jul 6 – Jul 17 |
| Cabbage | Start seeds indoors (spring) | Mar 9 – Apr 6 |
| Cabbage | Transplant outdoors (spring) | Apr 6 – May 7 |
| Cabbage | Start seeds indoors (fall) | May 27 – Jun 26 |
| Cabbage | Transplant outdoors (fall) | Jun 26 – Jul 27 |
| Leaf lettuce | Sow outdoors (spring) | Apr 6 – Jun 22 |
| Leaf lettuce | Sow outdoors (fall) | Jun 26 – Aug 12 |
| Spinach | Sow outdoors (spring) | Mar 30 – May 13 |
| Spinach | Sow outdoors (fall) | Jul 13 – Aug 17 |
| Radishes | Sow outdoors (spring) | Apr 6 – May 27 |
| Radishes | Sow outdoors (fall) | Jun 26 – Aug 27 |
| Kale | Sow outdoors (spring) | Apr 23 – May 13 |
| Kale | Sow outdoors (fall) | Jun 19 – Jul 27 |
| Carrots | Sow outdoors (spring) | May 7 – Jun 22 |
| Carrots | Sow outdoors (fall) | May 27 – Jul 12 |
| Garlic | Plant outdoors (fall) | Sep 26 – Oct 27 |
Where these dates come from
ZIP code 80758 is matched to the NOAA station Wray, CO, 15.9 km away, at 3,553 ft elevation (269 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Wray, CO (used) | 3,553 ft | May 7 | Oct 6 |
| Yuma, CO | 4,134 ft | May 1 | Oct 12 |
| Haigler, NE | 3,275 ft | May 5 | Oct 5 |
| Idalia, CO | 3,965 ft | May 4 | Oct 9 |
Frost dates near Wray
- Eckley, CO 80727 · last May 1, first Oct 12
- Vernon, CO 80755 · last May 4, first Oct 9
- Yuma, CO 80759 · last May 1, first Oct 12
- Idalia, CO 80735 · last May 4, first Oct 9
- Haigler, NE 69030 · last May 5, first Oct 5
- Otis, CO 80743 · last May 1, first Oct 12
- Kirk, CO 80824 · last May 4, first Oct 9
- Joes, CO 80822 · last May 3, first Oct 9
Frequently asked questions
- When is the last frost in Wray, CO?
- For ZIP code 80758, the average last spring frost (32°F) is May 7, based on NOAA 1991-2020 climate normals for the Wray, CO weather station. There is a 1-in-10 chance of a frost after May 19.
- When is the first frost in Wray, CO?
- The average first fall frost (32°F) is October 6. There is a 1-in-10 chance of frost by September 25, so tender plants are at risk from that point on.
- How long is the growing season in 80758?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 151 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.