Frost dates for Philipsburg 2 S, PA
At Philipsburg 2 S, the median last spring frost (32°F) is May 13 and the median first fall frost is Oct 1, for a typical growing season of 142 days. For a 90% chance that the last frost has passed, wait until May 29. Nearby ZIP codes are in USDA hardiness zones 6a to 6b.
- May 13Last spring frost (median)50% chance of 32°F after this date
- May 29Safer planting date10% chance of 32°F after this date
- Oct 1First fall frost (median)50% chance of 32°F by this date
- 142 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 8 | May 27 | Jun 13 |
| 32°F | Apr 25 | May 13 | May 29 |
| 28°F | Apr 16 | Apr 30 | May 20 |
| 24°F | Apr 4 | Apr 19 | May 8 |
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 6 | Sep 22 | Oct 5 |
| 32°F | Sep 19 | Oct 1 | Oct 18 |
| 28°F | Oct 1 | Oct 16 | Nov 3 |
| 24°F | Oct 10 | Oct 30 | Nov 13 |
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 | 95 days | 118 days | 141 days |
| 32°F | 120 days | 142 days | 167 days |
| 28°F | 144 days | 169 days | 192 days |
| 24°F | 170 days | 194 days | 218 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 |
|---|---|---|---|
| 16866 | 6a | -10 to -5°F | 4 km |
| 16840 | 6a | -10 to -5°F | 6 km |
| 16677 | 6a | -10 to -5°F | 7 km |
| 16860 | 6a | -10 to -5°F | 8 km |
| 16666 | 6a | -10 to -5°F | 8 km |
| 16821 | 6a | -10 to -5°F | 10 km |
| 16876 | 6a | -10 to -5°F | 12 km |
| 16620 | 6a | -10 to -5°F | 12 km |
| 16879 | 6a | -10 to -5°F | 12 km |
| 16849 | 6a | -10 to -5°F | 13 km |
| 16651 | 6a | -10 to -5°F | 14 km |
| 16858 | 6a | -10 to -5°F | 15 km |
| 16847 | 6a | -10 to -5°F | 15 km |
| 16671 | 6a | -10 to -5°F | 18 km |
| 16686 | 6b | -5 to 0°F | 23 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 USC00366921, at 40.8728, -78.2161, elevation 524 m (1,720 ft).
- Data quality: Representative (10+ years), 23 years of freeze data.
- Average days per year at or below 32°F: 145.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Clearfield Lawrence Airport (25 km)
- Clarence (30 km)
- State College (31 km)
- Grampian 1e (33 km)
- Prince Gallitzin State Park (38 km)
- Altoona 3 W (47 km)
- Altoona 7 SW (53 km)
- Raystown Lake 2 (56 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.