State guides · Pennsylvania · Climate by town
Selinsgrove, PA rainfall, snowfall and frost dates
Thirty-year averages for Selinsgrove from NOAA’s 1991–2020 U.S. Climate Normals: rain and snow by month, the last and first freeze, the growing season, and a frost check for any date.
Selinsgrove averages 43.10 in. of precipitation and 29.0 in. of snow a year. The median last spring freeze (32°F) is April 25 and the median first fall freeze is Oct. 22, a growing season of about 178 days. From NOAA’s Selinsgrove 2 S station; checked Nov. 13, 2026.
Is it safe to plant in Selinsgrove yet?
Dates from January through July check the last spring freeze. Dates from August on check the first fall freeze.
From NOAA’s freeze probabilities for this station. Low spots and valleys can freeze later in spring and earlier in fall than the station.
Selinsgrove frost dates
| 32°F freeze | 9 in 10 years | 1 in 2 years | 1 in 10 years |
|---|---|---|---|
| Last spring freeze comes after | April 9 | April 25 | May 10 |
| First fall freeze comes before | Nov. 3 | Oct. 22 | Oct. 7 |
Hard freeze (28°F): the median last one in spring is April 10 and the median first one in fall is Nov. 1. The growing season between the median 32°F freezes, April 25 to Oct. 22, runs about 178 days.
Planting tender plants after May 10 means a freeze afterward in only about 1 year in 10. Planting on April 25 leaves even odds. For lawn seeding windows, see our Pennsylvania grass seed guide.
Selinsgrove rain and snow by month
| Month | Precipitation (in.) | Snow (in.) | Avg high (°F) | Avg low (°F) |
|---|---|---|---|---|
| January | 3.07 | 9.7 | 35.7 | 19.4 |
| February | 2.30 | 7.6 | 38.5 | 20.4 |
| March | 3.26 | 5.6 | 47.6 | 27.5 |
| April | 3.68 | 0.6 | 60.9 | 37.4 |
| May | 3.76 | 0.0 | 71.6 | 48.0 |
| June | 4.38 | 0.0 | 80.4 | 58.0 |
| July | 4.29 | 0.0 | 85.0 | 62.2 |
| August | 3.78 | 0.0 | 82.7 | 60.6 |
| September | 4.41 | 0.0 | 75.7 | 53.2 |
| October | 3.88 | 0.2 | 63.4 | 41.7 |
| November | 3.05 | 1.2 | 51.1 | 31.9 |
| December | 3.24 | 4.1 | 40.2 | 24.9 |
| Year | 43.10 | 29.0 | Average 50.7°F | |
Precipitation is rain plus the water in melted snow and ice. Snow is the depth of new snowfall. Monthly figures are NOAA’s normals and may not add exactly to the yearly totals because of rounding.
- Wettest month: September, 4.41 in. Driest: February, 2.30 in.
- Snowiest month: January, 9.7 in. Months averaging 1 in. or more: November through March. December through February bring about 74% of the year’s snow.
- Average lows at or below 32°F: November through March.
- Coldest nights: January, average low 19.4°F. Warmest days: July, average high 85.0°F.
Planning outdoor work in Selinsgrove
Average lows sit at or below freezing from November through March, so plan base work, planting and seeding around the frost dates above. Frost depth and ground snow load for footings and roofs are set by your town; our design criteria by ZIP tool shows who sets them for your address. For planting beds, start with a soil test.
Towns near Selinsgrove
| Town | Miles | Precip. (in.) | Snow (in.) | Median last freeze | Median first freeze |
|---|---|---|---|---|---|
| Sunbury | 6 | 43.69 | 28.6 | April 30 | Oct. 13 |
| Lewisburg | 11 | 43.88 | 28.8 | April 26 | Oct. 20 |
| Williamsport | 32 | 43.52 | 35.8 | April 24 | Oct. 23 |
| Millheim | 33 | 42.44 | 35.3 | May 5 | Oct. 6 |
| Harrisburg | 35 | 45.23 | 23.9 | April 15 | Oct. 23 |
| Lebanon | 37 | 46.40 | 24.0 | April 20 | Oct. 25 |
Miles are straight-line distances between NOAA stations. See every town on our Pennsylvania rainfall and snowfall by town chart.
Questions
How much snow does Selinsgrove, PA get a year?
Selinsgrove averages 29.0 in. of snow a year, per NOAA’s 1991–2020 normals for its Selinsgrove 2 S station. The snowiest month is January, at 9.7 in.
How much rain does Selinsgrove, PA get a year?
Selinsgrove averages 43.10 in. of precipitation a year, counting rain and melted snow. The wettest month is September, at 4.41 in.
When is the last frost in Selinsgrove, PA?
The median last 32°F freeze in Selinsgrove is April 25. In 1 year in 10 it comes after May 10, and in 9 years in 10 after April 9.
When is the first frost in Selinsgrove, PA?
The median first 32°F freeze in Selinsgrove is Oct. 22. In 1 year in 10 it comes before Oct. 7, and in 9 years in 10 before Nov. 3.
How long is the growing season in Selinsgrove?
About 178 days between the median last and first 32°F freezes, April 25 to Oct. 22.
What is the coldest month in Selinsgrove?
January, with an average low of 19.4°F and an average high of 35.7°F.
About this data
Station: NOAA’s Selinsgrove 2 S station (GHCN USC00367931), about 2 miles south of Selinsgrove, elevation 420 ft, 40.783° N, 76.862° W. These are NOAA’s 1991–2020 U.S. Climate Normals, 30-year averages that NOAA recomputes every 10 years. NOAA rates this station’s precipitation normals standard, its snow normals standard and its temperature and freeze normals standard. Standard means at least 24 years of data, with missing months filled from nearby stations.
Your yard can differ from the station. Elevation, valleys and hillsides change how much snow falls and when the first and last freezes come.
Sources: NOAA NCEI, U.S. Climate Normals; annual and seasonal normals for USC00367931; monthly normals for USC00367931; NOAA normals file documentation. Checked Nov. 13, 2026.
Muthler Landscaping & Construction · Lock Haven, PA
Build it on the right schedule
We build patios, retaining walls and landscapes around Lock Haven, Williamsport and State College, and we plan the work around the season.
Get a quoteLandscapingAlso: paver patios, retaining walls, snow removal, snow plowing cost calculator.
Muthler Landscaping & Construction LLC · 913 Bellefonte Ave, Lock Haven, PA 17745 · (570) 397-9800 · PA HIC #PA212584. Climate data from NOAA; not a forecast.
Using this guide? Link to it or cite it. It's free to use with a link back, and we keep it updated against official sources.
Cite as: Muthler Landscaping & Construction, “Selinsgrove, PA Rainfall, Snowfall and Frost Dates,” https://muthlerlandscaping.com/state-guides/pennsylvania/climate/selinsgrove/ (last checked November 13, 2026).
Get an email when your state’s rules change
We re-check every entry against official sources. Tell us your state and we’ll email you when something changes.