Frost dates for 56740Noyes, MN
The average last spring frost in Noyes is May 16 and the average first fall frost is September 29, giving a typical growing season of about 137 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 16
- Average first fall frost
- Sep 29
- Growing season
- 137 days
Safer after May 31 (1-in-10 risk)
Possible by Sep 17 (1-in-10 risk)
Last frost typically in 201 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 11 · May 25 · Jun 7 | Sep 7 · Sep 20 · Oct 2 | 116 days | 100% |
| Frost / freeze (32°F) | May 2 · May 16 · May 31 | Sep 17 · Sep 29 · Oct 11 | 137 days | 100% |
| Hard freeze (28°F) | Apr 20 · May 5 · May 21 | Sep 26 · Oct 7 · Oct 21 | 155 days | 100% |
Planting calendar for Noyes
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 15 – Jun 21 |
| Tomatoes | Transplant outdoors | Jun 1 – Jun 9 |
| Peppers | Start seeds indoors | Apr 15 – May 16 |
| Peppers | Transplant outdoors | Jun 15 – Jul 16 |
| Eggplant | Start seeds indoors | May 2 – May 31 |
| Eggplant | Transplant outdoors | Jun 15 – Jul 16 |
| Cucumbers | Sow outdoors | Jun 15 – Jun 19 |
| Summer squash | Sow outdoors | Jun 1 – Jul 16 |
| Winter squash & pumpkins | Sow outdoors | Jun 15 – Jul 16 |
| Snap beans | Sow outdoors | Jun 1 – Jul 12 |
| Sweet corn | Sow outdoors | Jun 1 – Jun 9 |
| Watermelon & cantaloupe | Sow outdoors | Jun 15 – Jul 16 |
| Okra | Sow outdoors | Jun 8 – Jul 1 |
| Peas | Sow outdoors (spring) | Apr 15 – May 31 |
| Potatoes | Plant outdoors (spring) | Apr 15 – Jun 15 |
| Onions | Start seeds indoors (spring) | Mar 4 – Mar 31 |
| Onions | Transplant outdoors (spring) | May 2 – May 31 |
| Broccoli | Start seeds indoors (spring) | Mar 28 – May 1 |
| Broccoli | Transplant outdoors (spring) | May 2 – May 31 |
| Broccoli | Start seeds indoors (fall) | May 30 – Jun 9 |
| Broccoli | Transplant outdoors (fall) | Jun 29 – Jul 10 |
| Cabbage | Start seeds indoors (spring) | Mar 18 – Apr 15 |
| Cabbage | Transplant outdoors (spring) | Apr 15 – May 16 |
| Cabbage | Start seeds indoors (fall) | May 20 – Jun 19 |
| Cabbage | Transplant outdoors (fall) | Jun 19 – Jul 20 |
| Leaf lettuce | Sow outdoors (spring) | Apr 15 – Jul 1 |
| Leaf lettuce | Sow outdoors (fall) | Jun 19 – Aug 5 |
| Spinach | Sow outdoors (spring) | Apr 8 – May 22 |
| Spinach | Sow outdoors (fall) | Jul 6 – Aug 10 |
| Radishes | Sow outdoors (spring) | Apr 15 – Jun 5 |
| Radishes | Sow outdoors (fall) | Jun 19 – Aug 20 |
| Kale | Sow outdoors (spring) | May 2 – May 22 |
| Kale | Sow outdoors (fall) | Jun 12 – Jul 20 |
| Carrots | Sow outdoors (spring) | May 16 – Jul 1 |
| Carrots | Sow outdoors (fall) | May 20 – Jul 5 |
| Garlic | Plant outdoors (fall) | Sep 19 – Oct 20 |
Where these dates come from
ZIP code 56740 is matched to the NOAA station Pembina, ND, 4 km away, at 790 ft elevation (3 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Pembina, ND (used) | 790 ft | May 16 | Sep 29 |
| Hallock, MN | 815 ft | May 8 | Sep 30 |
| Cavalier 7Nw, ND | 899 ft | May 12 | Sep 30 |
| Grafton, ND | 827 ft | May 4 | Oct 7 |
Frost dates near Noyes
- Saint Vincent, MN 56755 · last May 16, first Sep 29
- Humboldt, MN 56731 · last May 16, first Sep 29
- Pembina, ND 58271 · last May 16, first Sep 29
- Neche, ND 58265 · last May 12, first Sep 30
- Bathgate, ND 58216 · last May 12, first Sep 30
- Hamilton, ND 58238 · last May 12, first Sep 30
- Hallock, MN 56728 · last May 8, first Sep 30
- Glasston, ND 58236 · last May 12, first Sep 30
Frequently asked questions
- When is the last frost in Noyes, MN?
- For ZIP code 56740, the average last spring frost (32°F) is May 16, based on NOAA 1991-2020 climate normals for the Pembina, ND weather station. There is a 1-in-10 chance of a frost after May 31.
- When is the first frost in Noyes, MN?
- The average first fall frost (32°F) is September 29. There is a 1-in-10 chance of frost by September 17, so tender plants are at risk from that point on.
- How long is the growing season in 56740?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 137 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.