Frost dates for Lake Arthur 7 SW, LA
At Lake Arthur 7 SW, the median last spring frost (32°F) is Feb 10 and the median first fall frost is Dec 11, for a typical growing season of 307 days. For a 90% chance that the last frost has passed, wait until Mar 8. Nearby ZIP codes are in USDA hardiness zones 9a to 9b.
- Feb 10Last spring frost (median)50% chance of 32°F after this date
- Mar 8Safer planting date10% chance of 32°F after this date
- Dec 11First fall frost (median)50% chance of 32°F by this date
- 307 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 | Feb 1 | Feb 27 | Mar 22 |
| 32°F | Jan 10 | Feb 10 | Mar 8 |
| 28°F | Dec 25 | Jan 25 | Feb 24 |
| 24°F | Dec 23 | Jan 17 | Feb 10 |
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 | Nov 7 | Nov 26 | Dec 19 |
| 32°F | Nov 19 | Dec 11 | Jan 15 |
| 28°F | Dec 1 | Jan 1 | Feb 1 |
| 24°F | Dec 16 | Jan 7 | Feb 2 |
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 | 242 days | 272 days | 306 days |
| 32°F | 273 days | 307 days | 343 days |
| 28°F | 306 days | 341 days | 365 days |
| 24°F | 334 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 98% |
| 28°F | 80% |
| 24°F | 38% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 70549 | 9b | 25 to 30°F | 7 km |
| 70542 | 9a | 20 to 25°F | 18 km |
| 70646 | 9b | 25 to 30°F | 18 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 USC00165065, at 30.0206, -92.7681, elevation 3 m (11 ft).
- Data quality: Representative (10+ years), 23 years of freeze data.
- Average days per year at or below 32°F: 10.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Jennings (22 km)
- Rockefeller Wl Refuge (33 km)
- Lake Charles (45 km)
- Crowley 2 NE (47 km)
- Moss Bluff 2 NNW (56 km)
- Leland Bowman Lock (60 km)
- Eunice (62 km)
- Hackberry 8 SSW (63 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.