Frost dates for Jackson, MO
At Jackson, the median last spring frost (32°F) is Apr 7 and the median first fall frost is Oct 29, for a typical growing season of 202 days. For a 90% chance that the last frost has passed, wait until Apr 22. Nearby ZIP codes are in USDA hardiness zone 7a.
- Apr 7Last spring frost (median)50% chance of 32°F after this date
- Apr 22Safer planting date10% chance of 32°F after this date
- Oct 29First fall frost (median)50% chance of 32°F by this date
- 202 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Apr 4 | Apr 19 | May 3 |
| 32°F | Mar 24 | Apr 7 | Apr 22 |
| 28°F | Mar 10 | Mar 29 | Apr 13 |
| 24°F | Feb 28 | Mar 18 | Apr 3 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Oct 7 | Oct 19 | Oct 30 |
| 32°F | Oct 16 | Oct 29 | Nov 9 |
| 28°F | Oct 25 | Nov 5 | Nov 23 |
| 24°F | Nov 3 | Nov 17 | Dec 5 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 163 days | 182 days | 199 days |
| 32°F | 184 days | 202 days | 223 days |
| 28°F | 202 days | 222 days | 246 days |
| 24°F | 223 days | 245 days | 268 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 63755 | 7a | 0 to 5°F | 7 km |
| 63701 | 7a | 0 to 5°F | 9 km |
| 63739 | 7a | 0 to 5°F | 12 km |
| 63766 | 7a | 0 to 5°F | 18 km |
| 63769 | 7a | 0 to 5°F | 18 km |
| 63743 | 7a | 0 to 5°F | 21 km |
| 63770 | 7a | 0 to 5°F | 24 km |
| 63732 | 7a | 0 to 5°F | 25 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00234226, at 37.3781, -89.6678, elevation 134 m (440 ft).
- Data quality: Standard (24+ years of data), 29 years of freeze data.
- Average days per year at or below 32°F: 91.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Cape Girardeau Muni Airport (19 km)
- Marble Hill (28 km)
- Advance 1 S (38 km)
- Perryville Water Plant (45 km)
- Sikeston Power Station (56 km)
- Fredericktown (61 km)
- Wappapello Dam (74 km)
- Farmington (80 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.