Frost dates for 05905Guildhall, VT
The average last spring frost in Guildhall is May 19 and the average first fall frost is September 29, giving a typical growing season of about 131 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 19
- Average first fall frost
- Sep 29
- Growing season
- 131 days
Safer after Jun 2 (1-in-10 risk)
Possible by Sep 15 (1-in-10 risk)
Last frost typically in 199 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 18 · Jun 1 · Jun 15 | Sep 4 · Sep 17 · Sep 29 | 107 days | 100% |
| Frost / freeze (32°F) | May 2 · May 19 · Jun 2 | Sep 15 · Sep 29 · Oct 10 | 131 days | 100% |
| Hard freeze (28°F) | Apr 22 · May 4 · May 19 | Sep 26 · Oct 7 · Oct 24 | 156 days | 100% |
Planting calendar for Guildhall
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 18 – Jun 24 |
| Tomatoes | Transplant outdoors | Jun 4 – Jun 9 |
| Peppers | Start seeds indoors | Apr 18 – May 19 |
| Peppers | Transplant outdoors | Jun 18 – Jul 19 |
| Eggplant | Start seeds indoors | May 5 – Jun 3 |
| Eggplant | Transplant outdoors | Jun 18 – Jul 19 |
| Cucumbers | Sow outdoors | Jun 18 – Jun 19 |
| Summer squash | Sow outdoors | Jun 4 – Jul 19 |
| Winter squash & pumpkins | Sow outdoors | Jun 18 – Jul 19 |
| Snap beans | Sow outdoors | Jun 4 – Jul 12 |
| Sweet corn | Sow outdoors | Jun 4 – Jun 9 |
| Watermelon & cantaloupe | Sow outdoors | Jun 18 – Jul 19 |
| Okra | Sow outdoors | Jun 11 – Jul 4 |
| Peas | Sow outdoors (spring) | Apr 18 – Jun 3 |
| Potatoes | Plant outdoors (spring) | Apr 18 – Jun 18 |
| Onions | Start seeds indoors (spring) | Mar 7 – Apr 3 |
| Onions | Transplant outdoors (spring) | May 5 – Jun 3 |
| Broccoli | Start seeds indoors (spring) | Mar 31 – May 4 |
| Broccoli | Transplant outdoors (spring) | May 5 – Jun 3 |
| Broccoli | Start seeds indoors (fall) | May 30 – Jun 9 |
| Broccoli | Transplant outdoors (fall) | Jun 29 – Jul 10 |
| Cabbage | Start seeds indoors (spring) | Mar 21 – Apr 18 |
| Cabbage | Transplant outdoors (spring) | Apr 18 – May 19 |
| Cabbage | Start seeds indoors (fall) | May 20 – Jun 19 |
| Cabbage | Transplant outdoors (fall) | Jun 19 – Jul 20 |
| Leaf lettuce | Sow outdoors (spring) | Apr 18 – Jul 4 |
| Leaf lettuce | Sow outdoors (fall) | Jun 19 – Aug 5 |
| Spinach | Sow outdoors (spring) | Apr 11 – May 25 |
| Spinach | Sow outdoors (fall) | Jul 6 – Aug 10 |
| Radishes | Sow outdoors (spring) | Apr 18 – Jun 8 |
| Radishes | Sow outdoors (fall) | Jun 19 – Aug 20 |
| Kale | Sow outdoors (spring) | May 5 – May 25 |
| Kale | Sow outdoors (fall) | Jun 12 – Jul 20 |
| Carrots | Sow outdoors (spring) | May 19 – Jul 4 |
| Carrots | Sow outdoors (fall) | May 20 – Jul 5 |
| Garlic | Plant outdoors (fall) | Sep 19 – Oct 20 |
Where these dates come from
ZIP code 05905 is matched to the NOAA station N Stratford, NH, 1.4 km away, at 950 ft elevation (15 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| N Stratford, NH (used) | 950 ft | May 19 | Sep 29 |
| Colebrook 3Sw, NH | 1,120 ft | May 31 | Sep 21 |
| Island Pond Ap, VT | 1,194 ft | May 16 | Sep 28 |
| Lancaster, NH | 860 ft | May 18 | Sep 30 |
Frost dates near Guildhall
- North Stratford, NH 03590 · last May 23, first Sep 22
- Granby, VT 05840 · last May 19, first Sep 29
- Groveton, NH 03582 · last May 18, first Sep 30
- Mount Washington, NH 03589 · last May 23, first Sep 22
- West Stewartstown, NH 03597 · last May 23, first Sep 22
- North Concord, VT 05858 · last Jun 1, first Sep 13
- East Haven, VT 05837 · last May 19, first Sep 29
- Lancaster, NH 03584 · last May 18, first Sep 30
Frequently asked questions
- When is the last frost in Guildhall, VT?
- For ZIP code 05905, the average last spring frost (32°F) is May 19, based on NOAA 1991-2020 climate normals for the N Stratford, NH weather station. There is a 1-in-10 chance of a frost after June 2.
- When is the first frost in Guildhall, VT?
- The average first fall frost (32°F) is September 29. There is a 1-in-10 chance of frost by September 15, so tender plants are at risk from that point on.
- How long is the growing season in 05905?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 131 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.