Pennsylvania weather in January: Statewide normals and every place, NOAA 1991-2020
In January, Pennsylvania's statewide normal high is 35°F and normal low 19°F; normal highs run from 29°F in Laporte to 43°F in Marcus Hook (NOAA 1991-2020 normals).
- Statewide normal high
- 35°FJanuary, 1991-2020
- Statewide normal low
- 19°FJanuary, 1991-2020
- Statewide normal precipitation
- 3.23 inJanuary
- Warmest place
- 43°Fnormal high, Marcus Hook
- Coolest place
- 29°Fnormal high, Laporte
Where is Pennsylvania warmest and wettest in January?
Marcus Hook has the warmest January afternoons (43°F) and Laporte the coolest (29°F). Donegal gets the most precipitation (4.95 in) and Tioga the least (2.21 in). The most snow falls in Springboro (38.0 inches).
Statewide, January averaged 29.4°F in 2021, 22.5°F in 2022, 35.8°F in 2023, 30.0°F in 2024, 22.2°F in 2025, 22.0°F in 2026, against a 1991-2020 normal of 26.6°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Philadelphia | 41°F | 26°F | 3.13 | 7.1 |
| Pittsburgh | 36°F | 21°F | 2.96 | 13.3 |
| Allentown | 38°F | 22°F | 3.30 | 9.8 |
| Reading | 39°F | 23°F | 2.97 | – |
| Erie | 35°F | 21°F | 3.41 | 31.8 |
| Lancaster | 40°F | 22°F | 2.59 | – |
| Harrisburg | 40°F | 25°F | 2.64 | – |
| York | 39°F | 21°F | 2.61 | – |
| Altoona | 36°F | 21°F | 2.23 | – |
| State College | 34°F | 21°F | 2.92 | 11.3 |
| Norristown | 42°F | 23°F | 3.66 | 6.8 |
| Williamsport | 35°F | 20°F | 2.96 | 9.7 |
| Lebanon | 37°F | 22°F | 3.06 | 6.8 |
| Pottstown | 37°F | 22°F | 3.02 | – |
| Chambersburg | 37°F | 23°F | 3.21 | 10.0 |
| West Chester | 40°F | 20°F | 3.65 | 7.9 |
| Carlisle | 38°F | 21°F | 3.06 | 7.7 |
| New Castle | 37°F | 19°F | 2.86 | 10.1 |
| Murrysville | 38°F | 22°F | 3.19 | 10.2 |
| Phoenixville | 41°F | 23°F | 3.15 | – |
| West Mifflin | 37°F | 22°F | 3.08 | – |
| Johnstown | 33°F | 19°F | 2.54 | – |
| McKeesport | 39°F | 21°F | 3.04 | – |
| Hanover | 39°F | 21°F | 3.02 | 8.0 |
| Indiana | 36°F | 18°F | 3.64 | 13.3 |
| Willow Grove | 40°F | 24°F | – | – |
| Carnot-Moon | 36°F | 19°F | 3.06 | – |
| Coatesville | 39°F | 22°F | 4.05 | 7.9 |
| Washington | 37°F | 20°F | 3.32 | 9.9 |
| Butler | 34°F | 17°F | 3.36 | 11.3 |
| Middletown | 39°F | 23°F | 3.03 | 9.1 |
| Uniontown | 40°F | 21°F | 3.25 | 10.0 |
| Sunbury | 35°F | 19°F | 2.98 | 7.6 |
| East Stroudsburg | 36°F | 19°F | 3.78 | 11.3 |
| Warren | 33°F | 18°F | 3.64 | 18.2 |
| Beaver Falls | 36°F | 19°F | 3.14 | – |
| Lock Haven | 35°F | 18°F | 2.76 | 7.5 |
| Lewistown | 37°F | 21°F | 2.89 | 9.1 |
| Doylestown | 39°F | 23°F | 3.16 | – |
| Bradford | 31°F | 16°F | 2.72 | – |
| DuBois | 32°F | 17°F | 2.93 | – |
| Connellsville | 38°F | 21°F | 3.21 | 9.5 |
| Franklin | 34°F | 18°F | 3.27 | 17.9 |
| New Holland | 39°F | 24°F | 3.34 | 10.3 |
| Clearfield | 34°F | 18°F | 2.81 | – |
| Shippensburg | 38°F | 22°F | 3.17 | 9.8 |
| Selinsgrove | 36°F | 20°F | 2.68 | – |
| Lehighton | 36°F | 19°F | 3.76 | 7.8 |
| Lewisburg | 35°F | 19°F | 3.13 | 8.0 |
| Titusville | 33°F | 15°F | 3.53 | 24.3 |
| Hamburg | 38°F | 20°F | 3.45 | 5.1 |
| Sellersville | 38°F | 19°F | 3.64 | 5.9 |
| Donora | 39°F | 21°F | 2.90 | 5.7 |
| Charleroi | 39°F | 21°F | 3.24 | 3.8 |
| Mount Pleasant | 37°F | 21°F | 3.31 | 9.0 |
| Clarion | 33°F | 16°F | 3.64 | – |
| Ridgway | 34°F | 16°F | 3.44 | 15.3 |
| Waynesburg | 39°F | 19°F | 3.42 | 9.5 |
| Slippery Rock | 33°F | 17°F | 3.47 | – |
| Mahanoy City | 33°F | 18°F | 3.89 | 12.3 |
| Kane | 30°F | 13°F | 3.82 | 25.4 |
| Loyalhanna | 37°F | 19°F | 3.07 | – |
| Wellsboro | 30°F | 14°F | 2.99 | 13.2 |
| Ebensburg | 33°F | 16°F | 3.85 | 24.0 |
| Mount Pocono | 30°F | 15°F | 2.98 | – |
| Union City | 32°F | 16°F | 4.06 | 30.3 |
| Towanda | 35°F | 17°F | 2.39 | 11.0 |
| Ford City | 36°F | 17°F | 3.20 | – |
| Philipsburg | 32°F | 16°F | 3.02 | 13.1 |
| Avoca | 36°F | 20°F | 2.59 | 11.7 |
| Landisville | 37°F | 19°F | 3.06 | 7.1 |
| Marcus Hook | 43°F | 27°F | 3.15 | – |
| Matamoras | 34°F | 16°F | 3.14 | 11.6 |
| Emsworth | 39°F | 21°F | 3.36 | – |
| Coudersport | 31°F | 13°F | 2.92 | 18.4 |
| Port Allegany | 31°F | 14°F | 3.05 | 14.1 |
| Meyersdale | 34°F | 17°F | 3.01 | 12.9 |
| Mercer | 35°F | 16°F | – | – |
| Emporium | 33°F | 16°F | 3.06 | 12.4 |
| Everett | 39°F | 21°F | 2.63 | 6.7 |
| Canton | 33°F | 15°F | 2.87 | 10.1 |
| Braddock | 38°F | 22°F | 3.20 | – |
| Avondale | 39°F | 23°F | 3.62 | – |
| Montrose | 31°F | 13°F | 3.37 | 20.6 |
| Biglerville | 38°F | 22°F | 3.47 | 8.7 |
| Hawley | 33°F | 14°F | 3.23 | 13.0 |
| Point Marion | 39°F | 21°F | 3.59 | – |
| Renovo | 34°F | 19°F | 2.74 | 9.0 |
| Linesville | 32°F | 17°F | 2.91 | 20.2 |
| Glenmoore | 38°F | 23°F | 3.72 | 8.9 |
| Millheim | 32°F | 15°F | 2.96 | 9.2 |
| Benton | 33°F | 16°F | 3.19 | 12.3 |
| Natrona | 37°F | 21°F | 3.12 | – |
| Clarence | 33°F | 14°F | 3.17 | 12.8 |
| Confluence | 37°F | 19°F | 3.61 | 18.3 |
| Tioga | 32°F | 15°F | 2.21 | 10.3 |
| Jamestown | 34°F | 16°F | 3.16 | 18.6 |
| Dushore | 32°F | 15°F | 3.08 | 10.6 |
| Tionesta | 35°F | 19°F | 3.32 | 14.5 |
| Laurelton | 36°F | 21°F | – | – |
| Springboro | 32°F | 17°F | 3.59 | 38.0 |
| Grampian | 32°F | 14°F | 3.62 | 18.8 |
| Laporte | 29°F | 14°F | 4.49 | 19.9 |
| Cashtown | 37°F | 20°F | 3.46 | – |
| Laurel Mountain | 36°F | 19°F | 4.13 | – |
| Oswayo | 30°F | 11°F | 2.90 | 14.1 |
| Donegal | 35°F | 19°F | 4.95 | – |
| Schenley | 36°F | 20°F | 3.25 | – |
| Acmetonia Lock 3 | 36°F | 19°F | 3.38 | – |
| Alvin R Bush Dam | 34°F | 18°F | – | – |
| Bear Gap | 35°F | 19°F | 3.54 | 9.3 |
| Bloserville (1 mi N) | 37°F | 22°F | 3.00 | – |
| Blue Marsh Lake | 37°F | 20°F | 3.32 | – |
| Bucksville | 39°F | 19°F | 3.61 | – |
| Chalk Hill (2 mi ENE) | 34°F | 15°F | 4.56 | 26.9 |
| Chandlers Valley (1 mi SE) | 31°F | 13°F | 3.73 | 31.4 |
| Clermont (1 mi NW) | 29°F | 13°F | 3.73 | 18.4 |
| Cooksburg (2 mi NW) | 31°F | 13°F | 3.42 | – |
| Cowanesque Dam | 32°F | 15°F | 2.17 | 9.5 |
| Dehart Dam | 37°F | 20°F | 3.59 | 8.4 |
| Eisenhower National Historic Site | 40°F | 21°F | 3.45 | – |
| Francis E Walter Dam | 31°F | 16°F | 3.13 | – |
| Glen Hazel 2 NE Dam | 31°F | 13°F | 3.47 | 17.8 |
| Glenwillard Dashields Lock and Dam | 36°F | 21°F | 2.59 | 9.1 |
| Graterford (1 mi E) | 40°F | 20°F | 3.32 | 3.9 |
| Grays Landing | 39°F | 21°F | 3.25 | 6.1 |
| Hidden Valley | 32°F | 17°F | 4.48 | – |
| Hopewell Morgantown | 37°F | 21°F | – | – |
| Laurel Summit | 31°F | 14°F | 4.41 | 38.6 |
| Milanville | 33°F | 15°F | 2.55 | – |
| Montgomery Lock and Dam | 35°F | 21°F | 2.90 | – |
| Neshaminy Falls | 39°F | 22°F | 3.69 | 7.0 |
| Octoraro Lake | 39°F | 22°F | 3.46 | 5.0 |
| Phila Franklin Inst | 42°F | 28°F | 3.61 | 6.4 |
| Philadelphia NE Airport | 42°F | 27°F | 3.34 | – |
| Pleasant Mount (1 mi W) | 29°F | 12°F | 3.50 | 17.3 |
| Port Meadville Airport | 33°F | 18°F | 2.52 | – |
| Prince Gallitzin State Park | 34°F | 16°F | 2.82 | 15.4 |
| Putneyville 2 SE Dam | 35°F | 17°F | 3.37 | 12.4 |
| Raystown Headquarters | 36°F | 21°F | 2.80 | – |
| Raystown Lake 2 | 37°F | 21°F | 2.82 | – |
| Rector (3 mi SSW) | 39°F | 17°F | 3.48 | – |
| Rodale Research Center | 38°F | 20°F | 3.37 | – |
| Safe Harbor Dam | 39°F | 25°F | 3.26 | 6.1 |
| Salina (3 mi W) | 36°F | 20°F | 3.50 | 7.1 |
| Shawnee State Park | 36°F | 19°F | 2.76 | – |
| South Mountain | 36°F | 21°F | 3.69 | 10.6 |
| Springtown (1 mi NNE) | 37°F | 19°F | 3.77 | 10.5 |
| Stevenson Dam | 33°F | 16°F | 2.80 | 10.7 |
| Wolfsburg | 37°F | 19°F | 2.79 | 10.3 |
| York 3 SSW Pump Station | 41°F | 21°F | 3.27 | 8.5 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.