Frost dates for Monroe 26 N, LA
At Monroe 26 N, the median last spring frost (32°F) is Mar 25 and the median first fall frost is Nov 5, for a typical growing season of 226 days. For a 90% chance that the last frost has passed, wait until Apr 10. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 25Last spring frost (median)50% chance of 32°F after this date
- Apr 10Safer planting date10% chance of 32°F after this date
- Nov 5First fall frost (median)50% chance of 32°F by this date
- 226 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 | Mar 18 | Apr 7 | Apr 24 |
| 32°F | Mar 2 | Mar 25 | Apr 10 |
| 28°F | Feb 15 | Mar 9 | Mar 30 |
| 24°F | Jan 23 | Feb 22 | Mar 14 |
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 11 | Oct 25 | Nov 8 |
| 32°F | Oct 20 | Nov 5 | Nov 23 |
| 28°F | Oct 31 | Nov 18 | Dec 7 |
| 24°F | Nov 11 | Dec 4 | Jan 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 | 180 days | 202 days | 226 days |
| 32°F | 200 days | 226 days | 252 days |
| 28°F | 226 days | 255 days | 286 days |
| 24°F | 255 days | 293 days | 329 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 |
|---|---|---|---|
| 71260 | 8b | 15 to 20°F | 11 km |
| 71747 | 8b | 15 to 20°F | 21 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 USW00053961, at 32.8833, -92.1164, elevation 27 m (88 ft).
- Data quality: Representative (10+ years), 18 years of freeze data.
- Average days per year at or below 32°F: 59.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Bastrop (25 km)
- Farmerville (30 km)
- Monroe Regional Airport (41 km)
- Monroe Delta Cc (44 km)
- Calhoun Rsch Station (47 km)
- Rayville (55 km)
- Ruston La Tech (65 km)
- Columbia Lock (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.