Frost dates for 23665Hampton, VA
The average last spring frost in Hampton is March 24 and the average first fall frost is November 15, giving a typical growing season of about 238 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 24
- Average first fall frost
- Nov 15
- Growing season
- 238 days
Safer after Apr 6 (1-in-10 risk)
Possible by Nov 3 (1-in-10 risk)
First frost typically in 12 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) | Mar 22 · Apr 4 · Apr 18 | Oct 25 · Nov 5 · Nov 18 | 216 days | 100% |
| Frost / freeze (32°F) | Mar 9 · Mar 24 · Apr 6 | Nov 3 · Nov 15 · Dec 2 | 238 days | 100% |
| Hard freeze (28°F) | Feb 22 · Mar 10 · Mar 28 | Nov 10 · Nov 28 · Dec 20 | 266 days | 100% |
Planting calendar for Hampton
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 | Feb 21 – Apr 29 |
| Tomatoes | Transplant outdoors | Apr 9 – Jul 26 |
| Peppers | Start seeds indoors | Feb 21 – Mar 24 |
| Peppers | Transplant outdoors | Apr 23 – May 24 |
| Eggplant | Start seeds indoors | Mar 10 – Apr 8 |
| Eggplant | Transplant outdoors | Apr 23 – May 24 |
| Cucumbers | Sow outdoors | Apr 23 – Aug 5 |
| Summer squash | Sow outdoors | Apr 9 – May 24 |
| Winter squash & pumpkins | Sow outdoors | Apr 23 – May 24 |
| Snap beans | Sow outdoors | Apr 9 – Aug 28 |
| Sweet corn | Sow outdoors | Apr 9 – Jul 26 |
| Watermelon & cantaloupe | Sow outdoors | Apr 23 – May 24 |
| Okra | Sow outdoors | Apr 16 – May 9 |
| Peas | Sow outdoors (spring) | Feb 21 – Apr 8 |
| Potatoes | Plant outdoors (spring) | Feb 21 – Apr 23 |
| Onions | Start seeds indoors (spring) | Jan 10 – Feb 6 |
| Onions | Transplant outdoors (spring) | Mar 10 – Apr 8 |
| Broccoli | Start seeds indoors (spring) | Feb 3 – Mar 9 |
| Broccoli | Transplant outdoors (spring) | Mar 10 – Apr 8 |
| Broccoli | Start seeds indoors (fall) | Jul 16 – Jul 26 |
| Broccoli | Transplant outdoors (fall) | Aug 15 – Aug 26 |
| Cabbage | Start seeds indoors (spring) | Jan 24 – Feb 21 |
| Cabbage | Transplant outdoors (spring) | Feb 21 – Mar 24 |
| Cabbage | Start seeds indoors (fall) | Jul 6 – Aug 5 |
| Cabbage | Transplant outdoors (fall) | Aug 5 – Sep 5 |
| Leaf lettuce | Sow outdoors (spring) | Feb 21 – May 9 |
| Leaf lettuce | Sow outdoors (fall) | Aug 5 – Sep 21 |
| Spinach | Sow outdoors (spring) | Feb 14 – Mar 30 |
| Spinach | Sow outdoors (fall) | Aug 22 – Sep 26 |
| Radishes | Sow outdoors (spring) | Feb 21 – Apr 13 |
| Radishes | Sow outdoors (fall) | Aug 5 – Oct 6 |
| Kale | Sow outdoors (spring) | Mar 10 – Mar 30 |
| Kale | Sow outdoors (fall) | Jul 29 – Sep 5 |
| Carrots | Sow outdoors (spring) | Mar 24 – May 9 |
| Carrots | Sow outdoors (fall) | Jul 6 – Aug 21 |
| Garlic | Plant outdoors (fall) | Nov 5 – Dec 6 |
Where these dates come from
ZIP code 23665 is matched to the NOAA station Langley Afb, VA, 0.9 km away, at 10 ft elevation (3 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Langley Afb, VA (used) | 10 ft | Mar 24 | Nov 15 |
| Newport News Intl Ap, VA | 42 ft | Apr 1 | Nov 9 |
| Norfolk Nas, VA | 17 ft | Mar 16 | Nov 26 |
| Norfolk Intl Ap, VA | 30 ft | Mar 17 | Nov 23 |
Frost dates near Hampton
- Hampton, VA 23630 · last Mar 16, first Nov 26
- Poquoson, VA 23662 · last Mar 24, first Nov 15
- Fort Monroe, VA 23651 · last Mar 16, first Nov 26
- Yorktown, VA 23693 · last Apr 1, first Nov 9
- Newport News, VA 23601 · last Mar 16, first Nov 26
- Seaford, VA 23696 · last Apr 1, first Nov 9
- Norfolk, VA 23511 · last Mar 16, first Nov 26
- Rescue, VA 23424 · last Mar 16, first Nov 26
Frequently asked questions
- When is the last frost in Hampton, VA?
- For ZIP code 23665, the average last spring frost (32°F) is March 24, based on NOAA 1991-2020 climate normals for the Langley Afb, VA weather station. There is a 1-in-10 chance of a frost after April 6.
- When is the first frost in Hampton, VA?
- The average first fall frost (32°F) is November 15. There is a 1-in-10 chance of frost by November 3, so tender plants are at risk from that point on.
- How long is the growing season in 23665?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 238 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.