Frost dates for 03749Enfield Center, NH
The average last spring frost in Enfield Center is May 2 and the average first fall frost is October 9, giving a typical growing season of about 158 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 2
- Average first fall frost
- Oct 9
- Growing season
- 158 days
Safer after May 17 (1-in-10 risk)
Possible by Sep 27 (1-in-10 risk)
Last frost typically in 180 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 2 · May 14 · May 29 | Sep 16 · Sep 30 · Oct 12 | 137 days | 100% |
| Frost / freeze (32°F) | Apr 21 · May 2 · May 17 | Sep 27 · Oct 9 · Oct 24 | 158 days | 100% |
| Hard freeze (28°F) | Apr 9 · Apr 21 · May 3 | Oct 4 · Oct 21 · Nov 5 | 181 days | 100% |
Planting calendar for Enfield Center
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 1 – Jun 7 |
| Tomatoes | Transplant outdoors | May 18 – Jun 19 |
| Peppers | Start seeds indoors | Apr 1 – May 2 |
| Peppers | Transplant outdoors | Jun 1 – Jul 2 |
| Eggplant | Start seeds indoors | Apr 18 – May 17 |
| Eggplant | Transplant outdoors | Jun 1 – Jul 2 |
| Cucumbers | Sow outdoors | Jun 1 – Jun 29 |
| Summer squash | Sow outdoors | May 18 – Jul 2 |
| Winter squash & pumpkins | Sow outdoors | Jun 1 – Jul 2 |
| Snap beans | Sow outdoors | May 18 – Jul 22 |
| Sweet corn | Sow outdoors | May 18 – Jun 19 |
| Watermelon & cantaloupe | Sow outdoors | Jun 1 – Jul 2 |
| Okra | Sow outdoors | May 25 – Jun 17 |
| Peas | Sow outdoors (spring) | Apr 1 – May 17 |
| Potatoes | Plant outdoors (spring) | Apr 1 – Jun 1 |
| Onions | Start seeds indoors (spring) | Feb 18 – Mar 17 |
| Onions | Transplant outdoors (spring) | Apr 18 – May 17 |
| Broccoli | Start seeds indoors (spring) | Mar 14 – Apr 17 |
| Broccoli | Transplant outdoors (spring) | Apr 18 – May 17 |
| Broccoli | Start seeds indoors (fall) | Jun 9 – Jun 19 |
| Broccoli | Transplant outdoors (fall) | Jul 9 – Jul 20 |
| Cabbage | Start seeds indoors (spring) | Mar 4 – Apr 1 |
| Cabbage | Transplant outdoors (spring) | Apr 1 – May 2 |
| Cabbage | Start seeds indoors (fall) | May 30 – Jun 29 |
| Cabbage | Transplant outdoors (fall) | Jun 29 – Jul 30 |
| Leaf lettuce | Sow outdoors (spring) | Apr 1 – Jun 17 |
| Leaf lettuce | Sow outdoors (fall) | Jun 29 – Aug 15 |
| Spinach | Sow outdoors (spring) | Mar 25 – May 8 |
| Spinach | Sow outdoors (fall) | Jul 16 – Aug 20 |
| Radishes | Sow outdoors (spring) | Apr 1 – May 22 |
| Radishes | Sow outdoors (fall) | Jun 29 – Aug 30 |
| Kale | Sow outdoors (spring) | Apr 18 – May 8 |
| Kale | Sow outdoors (fall) | Jun 22 – Jul 30 |
| Carrots | Sow outdoors (spring) | May 2 – Jun 17 |
| Carrots | Sow outdoors (fall) | May 30 – Jul 15 |
| Garlic | Plant outdoors (fall) | Sep 29 – Oct 30 |
Where these dates come from
ZIP code 03749 is matched to the NOAA station Mt Sunapee, NH, 27.5 km away, at 1,275 ft elevation (169 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Mt Sunapee, NH (used) | 1,275 ft | May 2 | Oct 9 |
| Grafton, NH | 830 ft | May 21 | Sep 26 |
| Lebanon Muni Ap, NH | 598 ft | May 9 | Oct 6 |
| Hanover, NH | 584 ft | May 1 | Oct 13 |
Frost dates near Enfield Center
- Enfield, NH 03748 · last May 9, first Oct 6
- Grantham, NH 03753 · last May 14, first Oct 1
- Grafton, NH 03240 · last May 21, first Sep 26
- Canaan, NH 03741 · last May 21, first Sep 26
- Springfield, NH 03284 · last May 2, first Oct 9
- Lebanon, NH 03766 · last May 9, first Oct 6
- Plainfield, NH 03781 · last May 9, first Oct 6
- Meriden, NH 03770 · last May 14, first Oct 1
Frequently asked questions
- When is the last frost in Enfield Center, NH?
- For ZIP code 03749, the average last spring frost (32°F) is May 2, based on NOAA 1991-2020 climate normals for the Mt Sunapee, NH weather station. There is a 1-in-10 chance of a frost after May 17.
- When is the first frost in Enfield Center, NH?
- The average first fall frost (32°F) is October 9. There is a 1-in-10 chance of frost by September 27, so tender plants are at risk from that point on.
- How long is the growing season in 03749?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 158 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.