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United States weather

Weather in Pennsylvania for January 2027

Your guide to Pennsylvania weather in January - trends and predictions

    Snow Forecast ❄️

  • With an average of 3 snowy days, Pennsylvania usually enjoys a light touch of snow in January.

    • Temperatures

  • In general, the average temperature in Pennsylvania at the beginning of January is 5.8 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 2.7 °C by the end of January.

    • Rain 🌧️

  • Pennsylvania experiences moderate rainfall in January, with an average of 6 rainy days and a total precipitation of 106.6 mm.

    • More

  • Is January a good time to visit Pennsylvania? check out the best time to travel to Pennsylvania page.

  • ✨ Is January a good time to visit Pennsylvania? – Ask the AI Weatherman

Average dry days
22
Dry days
Average rainy days
6
Rainy days
Average snowy days
3
Snow days
Average temperatures
4°/-2°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
69 %
Avg humidity

Pennsylvania Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Heavy rain at times
8°
2
Patchy rain possible
9°
3
Light snow
6°
4
Overcast
6°
5
Overcast
5°
6
Light snow
4°
7
Light snow
4°
8
Sunny
4°
9
Light rain
6°
10
Moderate rain
7°
11
Light snow
4°
12
Patchy rain possible
6°
13
Light rain
8°
14
Overcast
5°
15
Patchy rain possible
3°
16
Light rain
3°
17
Light rain
4°
18
Patchy rain possible
4°
19
Light snow
4°
20
Light snow
1°
21
Partly cloudy
0°
22
Patchy rain possible
2°
23
Cloudy
2°
24
Overcast
1°
25
Heavy snow
4°
26
Light rain
4°
27
Cloudy
4°
28
Light rain
2°
29
Light snow
2°
30
Overcast
2°
31
Light rain
2°

What’s the Weather Like in Pennsylvania This January?

Discover the average temperatures and weather trends across Pennsylvania’s cities this January.
CloudyPhiladelphia4 °C / -2 °CCloudyPittsburgh1 °C / -4 °CCloudyHarrisburg1 °C / -5 °CCloudyWilkes-Barre-1 °C / -7 °CCloudyAllentown0 °C / -6 °CCloudyLancaster0 °C / -6 °CCloudyAltoona-2 °C / -8 °CCloudyWilliamsport-1 °C / -6 °CCloudyScranton-3 °C / -8 °CCloudyErie-2 °C / -6 °CCloudyEaston0 °C / -6 °CCloudyHershey0 °C / -6 °CMore Locations

Temperatures trend during January in Pennsylvania

See the weather trend as well as the moving average line

January weather in Pennsylvania day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Heavy rain at times
Heavy rain at times
 8° /3° 5.6 mm 0 cm
Jan. 2 Patchy rain possible
Patchy rain possible
 9° /2° 2.1 mm 0 cm
Jan. 3 Light snow
Light snow
 6° /0° 4.3 mm 1.4 cm
Jan. 4 Overcast
Overcast
 6° /1° 0.7 mm 0 cm
Jan. 5 Overcast
Overcast
 5° /-1° 0.3 mm 0 cm
Jan. 6 Light snow
Light snow
 4° /0° 4.5 mm 1.4 cm
Jan. 7 Light snow
Light snow
 4° /-1° 1.7 mm 1.1 cm
Jan. 8 Sunny
Sunny
 4° /-2° 0 mm 0 cm
Jan. 9 Light rain
Light rain
 6° /-2° 9 mm 0 cm
Jan. 10 Moderate rain
Moderate rain
 7° /0° 11.8 mm 0 cm
Jan. 11 Light snow
Light snow
 4° /-1° 2.5 mm 1.1 cm
Jan. 12 Patchy rain possible
Patchy rain possible
 6° /-2° 2 mm 0 cm
Jan. 13 Light rain
Light rain
 8° /0° 3.8 mm 0 cm
Jan. 14 Overcast
Overcast
 5° /-2° 0 mm 0 cm
Jan. 15 Patchy rain possible
Patchy rain possible
 3° /-4° 1.6 mm 0.5 cm
Jan. 16 Light rain
Light rain
 3° /-4° 2.7 mm 0.6 cm
Jan. 17 Light rain
Light rain
 4° /-2° 4 mm 0 cm
Jan. 18 Patchy rain possible
Patchy rain possible
 4° /-1° 1.5 mm 0.8 cm
Jan. 19 Light snow
Light snow
 4° /-1° 6.1 mm 1.8 cm
Jan. 20 Light snow
Light snow
 1° /-5° 1.7 mm 0.6 cm
Jan. 21 Partly cloudy
Partly cloudy
 0° /-6° 0 mm 0 cm
Jan. 22 Patchy rain possible
Patchy rain possible
 2° /-5° 1.1 mm 0 cm
Jan. 23 Cloudy
Cloudy
 2° /-3° 0.6 mm 0 cm
Jan. 24 Overcast
Overcast
 1° /-4° 0.4 mm 0 cm
Jan. 25 Heavy snow
Heavy snow
 4° /-2° 22.1 mm 12.9 cm
Jan. 26 Light rain
Light rain
 4° /-1° 4.5 mm 0 cm
Jan. 27 Cloudy
Cloudy
 4° /-3° 0.2 mm 0 cm
Jan. 28 Light rain
Light rain
 2° /-3° 4 mm 0.1 cm
Jan. 29 Light snow
Light snow
 2° /-4° 2.5 mm 1.6 cm
Jan. 30 Overcast
Overcast
 2° /-5° 0 mm 0 cm
Jan. 31 Light rain
Light rain
 2° /-5° 5.1 mm 0.7 cm
Next
Important Notice
Our weather forecast for Pennsylvania in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Pennsylvania forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Pennsylvania in January - FAQ

What are the expected maximum and minimum temperatures in Pennsylvania during January?
Brace for cold days with temperatures not exceeding 4° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Pennsylvania during January?
Significant rainfall exceeding 106.6 mm is expected in Pennsylvania during January, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Pennsylvania in January 2027?
Pennsylvania experiences an average snowfall of 24.6 cm during January, occurring over 3 days.

What are the typical wind conditions in Pennsylvania during January?
The average wind speed in Pennsylvania during January is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

Pennsylvania snow forecast January 2027

Track daily snowfall levels and discover Pennsylvania’s snowy potential this January ❄️
On average, Pennsylvania sees 3 snowy days during January, with approximately 24.6 cm of total snowfall.

January rainfall patterns in Pennsylvania

Explore the daily rainfall trends and prepare for Pennsylvanias January weather 💧
Typically, Pennsylvania has 6 rainy days in January with a total of 106.6 mm of rainfall.
Counties in Pennsylvania
Select a county for an accurate weather forecast
Allegheny CountyBerks CountyBlair CountyCambria CountyCentre CountyDauphin CountyDelaware CountyErie CountyLackawanna CountyLancaster CountyLawrence CountyLehigh CountyLuzerne CountyLycoming CountyMcKean CountyMonroe CountyNorthampton CountyPhiladelphia CountyWyoming County
Top locations in Pennsylvania
Select a location for an accurate weather forecast
AllentownAltoonaErieHarrisburgLancasterPhiladelphiaPittsburghScrantonWilkes-BarreWilliamsport
More Locations
Quick links
More Pennsylvania weather pages
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