Frost dates for 37137Nunnelly, TN
The average last spring frost in Nunnelly is April 11 and the average first fall frost is October 27, giving a typical growing season of about 199 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 11
- Average first fall frost
- Oct 27
- Growing season
- 199 days
Safer after Apr 28 (1-in-10 risk)
Possible by Oct 14 (1-in-10 risk)
Last frost typically in 159 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) | Apr 8 · Apr 24 · May 8 | Oct 6 · Oct 18 · Oct 29 | 176 days | 100% |
| Frost / freeze (32°F) | Mar 25 · Apr 11 · Apr 28 | Oct 14 · Oct 27 · Nov 10 | 199 days | 100% |
| Hard freeze (28°F) | Mar 11 · Mar 30 · Apr 16 | Oct 23 · Nov 5 · Nov 25 | 221 days | 100% |
Planting calendar for Nunnelly
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 | Mar 11 – May 17 |
| Tomatoes | Transplant outdoors | Apr 27 – Jul 7 |
| Peppers | Start seeds indoors | Mar 11 – Apr 11 |
| Peppers | Transplant outdoors | May 11 – Jun 11 |
| Eggplant | Start seeds indoors | Mar 28 – Apr 26 |
| Eggplant | Transplant outdoors | May 11 – Jun 11 |
| Cucumbers | Sow outdoors | May 11 – Jul 17 |
| Summer squash | Sow outdoors | Apr 27 – Jun 11 |
| Winter squash & pumpkins | Sow outdoors | May 11 – Jun 11 |
| Snap beans | Sow outdoors | Apr 27 – Aug 9 |
| Sweet corn | Sow outdoors | Apr 27 – Jul 7 |
| Watermelon & cantaloupe | Sow outdoors | May 11 – Jun 11 |
| Okra | Sow outdoors | May 4 – May 27 |
| Peas | Sow outdoors (spring) | Mar 11 – Apr 26 |
| Potatoes | Plant outdoors (spring) | Mar 11 – May 11 |
| Onions | Start seeds indoors (spring) | Jan 28 – Feb 24 |
| Onions | Transplant outdoors (spring) | Mar 28 – Apr 26 |
| Broccoli | Start seeds indoors (spring) | Feb 21 – Mar 27 |
| Broccoli | Transplant outdoors (spring) | Mar 28 – Apr 26 |
| Broccoli | Start seeds indoors (fall) | Jun 27 – Jul 7 |
| Broccoli | Transplant outdoors (fall) | Jul 27 – Aug 7 |
| Cabbage | Start seeds indoors (spring) | Feb 11 – Mar 11 |
| Cabbage | Transplant outdoors (spring) | Mar 11 – Apr 11 |
| Cabbage | Start seeds indoors (fall) | Jun 17 – Jul 17 |
| Cabbage | Transplant outdoors (fall) | Jul 17 – Aug 17 |
| Leaf lettuce | Sow outdoors (spring) | Mar 11 – May 27 |
| Leaf lettuce | Sow outdoors (fall) | Jul 17 – Sep 2 |
| Spinach | Sow outdoors (spring) | Mar 4 – Apr 17 |
| Spinach | Sow outdoors (fall) | Aug 3 – Sep 7 |
| Radishes | Sow outdoors (spring) | Mar 11 – May 1 |
| Radishes | Sow outdoors (fall) | Jul 17 – Sep 17 |
| Kale | Sow outdoors (spring) | Mar 28 – Apr 17 |
| Kale | Sow outdoors (fall) | Jul 10 – Aug 17 |
| Carrots | Sow outdoors (spring) | Apr 11 – May 27 |
| Carrots | Sow outdoors (fall) | Jun 17 – Aug 2 |
| Garlic | Plant outdoors (fall) | Oct 17 – Nov 17 |
Where these dates come from
ZIP code 37137 is matched to the NOAA station Centerville 4Ne, TN, 9.1 km away, at 740 ft elevation (205 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Centerville 4Ne, TN (used) | 740 ft | Apr 11 | Oct 27 |
| Centerville Water Pl, TN | 660 ft | Apr 11 | Oct 24 |
| Dickson, TN | 780 ft | Apr 13 | Oct 25 |
| Lobelville, TN | 445 ft | Apr 13 | Oct 24 |
Frost dates near Nunnelly
- Centerville, TN 37033 · last Apr 11, first Oct 24
- Only, TN 37140 · last Apr 13, first Oct 24
- Lyles, TN 37098 · last Apr 11, first Oct 27
- Duck River, TN 38454 · last Apr 11, first Oct 24
- Bon Aqua, TN 37025 · last Apr 7, first Oct 31
- Primm Springs, TN 38476 · last Apr 11, first Oct 24
- Dickson, TN 37055 · last Apr 13, first Oct 25
- Burns, TN 37029 · last Apr 13, first Oct 25
Frequently asked questions
- When is the last frost in Nunnelly, TN?
- For ZIP code 37137, the average last spring frost (32°F) is April 11, based on NOAA 1991-2020 climate normals for the Centerville 4Ne, TN weather station. There is a 1-in-10 chance of a frost after April 28.
- When is the first frost in Nunnelly, TN?
- The average first fall frost (32°F) is October 27. There is a 1-in-10 chance of frost by October 14, so tender plants are at risk from that point on.
- How long is the growing season in 37137?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 199 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.