Frost dates for Livermore Falls 1 E, ME
At Livermore Falls 1 E, the median last spring frost (32°F) is May 11 and the median first fall frost is Sep 29, for a typical growing season of 138 days. For a 90% chance that the last frost has passed, wait until May 24. Nearby ZIP codes are in USDA hardiness zones 5a to 5b.
- May 11Last spring frost (median)50% chance of 32°F after this date
- May 24Safer planting date10% chance of 32°F after this date
- Sep 29First fall frost (median)50% chance of 32°F by this date
- 138 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 | May 10 | May 23 | Jun 6 |
| 32°F | Apr 29 | May 11 | May 24 |
| 28°F | Apr 18 | Apr 30 | May 12 |
| 24°F | Apr 5 | Apr 17 | Apr 29 |
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 | Sep 7 | Sep 19 | Sep 30 |
| 32°F | Sep 16 | Sep 29 | Oct 11 |
| 28°F | Sep 26 | Oct 8 | Oct 26 |
| 24°F | Oct 7 | Oct 23 | Nov 6 |
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 | 99 days | 117 days | 137 days |
| 32°F | 120 days | 138 days | 157 days |
| 28°F | 141 days | 162 days | 181 days |
| 24°F | 166 days | 187 days | 207 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 |
|---|---|---|---|
| 04254 | 5b | -15 to -10°F | 3 km |
| 04239 | 5a | -20 to -15°F | 6 km |
| 04253 | 5b | -15 to -10°F | 8 km |
| 04349 | 5b | -15 to -10°F | 8 km |
| 04221 | 5a | -20 to -15°F | 11 km |
| 04227 | 5a | -20 to -15°F | 15 km |
| 04352 | 5b | -15 to -10°F | 16 km |
| 04284 | 5b | -15 to -10°F | 17 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 USC00174745, at 44.4717, -70.1594, elevation 116 m (380 ft).
- Data quality: Representative (10+ years), 10 years of freeze data.
- Average days per year at or below 32°F: 180.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Hartford (17 km)
- New Sharon (22 km)
- Turner (22 km)
- Farmington (24 km)
- Rumford 1 SSE (31 km)
- Augusta State Airport (33 km)
- Rumford 6sw (40 km)
- Waterville Trtmt Plant (41 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.