Frost dates for 04774Saint Francis, ME
The average last spring frost in Saint Francis is June 2 and the average first fall frost is September 15, giving a typical growing season of about 102 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Jun 2
- Average first fall frost
- Sep 15
- Growing season
- 102 days
Safer after Jun 21 (1-in-10 risk)
Possible by Aug 29 (1-in-10 risk)
Last frost typically in 213 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) | — | — | 75 days | 100% |
| Frost / freeze (32°F) | May 21 · Jun 2 · Jun 21 | Aug 29 · Sep 15 · Sep 30 | 102 days | 100% |
| Hard freeze (28°F) | May 4 · May 20 · Jun 6 | Sep 13 · Sep 29 · Oct 13 | 129 days | 100% |
Planting calendar for Saint Francis
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 2 – Jul 8 |
| Tomatoes | Transplant outdoors | Jun 18 – May 26 |
| Peppers | Start seeds indoors | May 2 – Jun 2 |
| Peppers | Transplant outdoors | Jul 2 – Aug 2 |
| Eggplant | Start seeds indoors | May 19 – Jun 17 |
| Eggplant | Transplant outdoors | Jul 2 – Aug 2 |
| Cucumbers | Sow outdoors | Jul 2 – Jun 5 |
| Summer squash | Sow outdoors | Jun 18 – Aug 2 |
| Winter squash & pumpkins | Sow outdoors | Jul 2 – Aug 2 |
| Snap beans | Sow outdoors | Jun 18 – Jun 28 |
| Sweet corn | Sow outdoors | Jun 18 – May 26 |
| Watermelon & cantaloupe | Sow outdoors | Jul 2 – Aug 2 |
| Okra | Sow outdoors | Jun 25 – Jul 18 |
| Peas | Sow outdoors (spring) | May 2 – Jun 17 |
| Potatoes | Plant outdoors (spring) | May 2 – Jul 2 |
| Onions | Start seeds indoors (spring) | Mar 21 – Apr 17 |
| Onions | Transplant outdoors (spring) | May 19 – Jun 17 |
| Broccoli | Start seeds indoors (spring) | Apr 14 – May 18 |
| Broccoli | Transplant outdoors (spring) | May 19 – Jun 17 |
| Broccoli | Start seeds indoors (fall) | May 16 – May 26 |
| Broccoli | Transplant outdoors (fall) | Jun 15 – Jun 26 |
| Cabbage | Start seeds indoors (spring) | Apr 4 – May 2 |
| Cabbage | Transplant outdoors (spring) | May 2 – Jun 2 |
| Cabbage | Start seeds indoors (fall) | May 6 – Jun 5 |
| Cabbage | Transplant outdoors (fall) | Jun 5 – Jul 6 |
| Leaf lettuce | Sow outdoors (spring) | May 2 – Jul 18 |
| Leaf lettuce | Sow outdoors (fall) | Jun 5 – Jul 22 |
| Spinach | Sow outdoors (spring) | Apr 25 – Jun 8 |
| Spinach | Sow outdoors (fall) | Jun 22 – Jul 27 |
| Radishes | Sow outdoors (spring) | May 2 – Jun 22 |
| Radishes | Sow outdoors (fall) | Jun 5 – Aug 6 |
| Kale | Sow outdoors (spring) | May 19 – Jun 8 |
| Kale | Sow outdoors (fall) | May 29 – Jul 6 |
| Carrots | Sow outdoors (spring) | Jun 2 – Jul 18 |
| Carrots | Sow outdoors (fall) | May 6 – Jun 21 |
| Garlic | Plant outdoors (fall) | Sep 5 – Oct 6 |
Where these dates come from
ZIP code 04774 is matched to the NOAA station Allagash, ME, 8.1 km away, at 596 ft elevation (93 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Allagash, ME (used) | 596 ft | Jun 2 | Sep 15 |
| Ft Kent, ME | 610 ft | May 23 | Sep 24 |
| Frenchville Aroostook Ap, ME | 988 ft | May 6 | Oct 2 |
| Clayton Lake, ME | 1,000 ft | May 30 | Sep 13 |
Frost dates near Saint Francis
- Eagle Lake, ME 04739 · last May 6, first Oct 2
- Wallagrass, ME 04781 · last May 23, first Sep 24
- Fort Kent Mills, ME 04744 · last May 23, first Sep 24
- Fort Kent, ME 04743 · last May 23, first Sep 24
- Estcourt Station, ME 04741 · last Jun 2, first Sep 15
- Frenchville, ME 04745 · last May 23, first Sep 24
- Sinclair, ME 04779 · last May 23, first Sep 24
- Saint Agatha, ME 04772 · last May 6, first Oct 2
Frequently asked questions
- When is the last frost in Saint Francis, ME?
- For ZIP code 04774, the average last spring frost (32°F) is June 2, based on NOAA 1991-2020 climate normals for the Allagash, ME weather station. There is a 1-in-10 chance of a frost after June 21.
- When is the first frost in Saint Francis, ME?
- The average first fall frost (32°F) is September 15. There is a 1-in-10 chance of frost by August 29, so tender plants are at risk from that point on.
- How long is the growing season in 04774?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 102 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.