Pennsylvania (Philadelphia)
January
Weather in Pennsylvania for January 2026
Your guide to Pennsylvania weather in January - trends and predictions
Winter Weather Advisory - See hour by hour.
Pennsylvania typically experiences moderate snowfall in January, with an average of 10 snowy days.
According to Pennsylvania snow forecast for January 2026, 3 snowy days are expected until the end of the month. The closest date with snow is Sunday, January 18.Until now, January 2026 in Pennsylvania is slightly cooler than the historical average by -1.1 °F.
The forecast for the next days in Pennsylvania predicts a temperature of 0.2 °F, which is cooler than the historical average.
In general, the average temperature in Pennsylvania at the beginning of January is 6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 0.7 °F by the end of January.
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Temperatures
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12
Dry days
9
Rainy days
10
Snow days
4°/-1°
Temperatures
18 km/h
Avg max wind
67 %
Avg humidity
Pennsylvania Weather January
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What’s the Weather Like in Pennsylvania This January?
Discover the average temperatures and weather trends across Pennsylvania’s cities this January.
Temperatures trend during January in Pennsylvania
See the weather trend as well as the moving average line
January weather in Pennsylvania day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Heavy rain at times | 8° /2° | 5.6 mm | 0 cm | |
| Jan. 2 |  Overcast | 9° /1° | 2.1 mm | 0 cm | |
| Jan. 3 |  Cloudy | 6° /-1° | 4.3 mm | 1.4 cm | |
| Jan. 4 | Overcast | 6° /0° | 0.7 mm | 0 cm | |
| Jan. 5 | Overcast | 5° /-1° | 0.3 mm | 0 cm | |
| Jan. 6 |  Partly cloudy | 4° /0° | 4.5 mm | 1.4 cm | |
| Jan. 7 | Overcast | 4° /-1° | 1.7 mm | 1.1 cm | |
| Jan. 8 |  Sunny | 4° /-2° | 0 mm | 0 cm | |
| Jan. 9 | Partly cloudy | 6° /-2° | 9 mm | 0 cm | |
| Jan. 10 | Overcast | 7° /-1° | 11.8 mm | 0 cm | |
| Jan. 11 | Overcast | 4° /-2° | 2.5 mm | 1.1 cm | |
| Jan. 12 | Sunny | 7° /-2° | 2 mm | 0 cm | |
| Jan. 13 | Overcast | 9° /0° | 3.8 mm | 0 cm | |
| Jan. 14 | Overcast | 5° /-2° | 0 mm | 0 cm | |
| Jan. 15 | Overcast | 4° /-4° | 1.6 mm | 0.5 cm | |
| Jan. 16 | Sunny | 3° /-4° | 2.7 mm | 0.6 cm | |
| Jan. 17 | Overcast | 5° /-1° | 0 mm | 0 cm | |
| Jan. 18 |  Heavy snow | 2° /-4° | 7.2 mm | 5.2 cm | |
| Jan. 19 |  Patchy moderate snow | -2° /-6° | 0.6 mm | 0.4 cm | |
| Jan. 20 | Sunny | -5° /-10° | 0 mm | 0 cm | |
| Jan. 21 | Overcast | -7° /-11° | 0 mm | 0 cm | |
| Jan. 22 | Heavy snow | 0° /-7° | 1.1 mm | 0.8 cm | |
| Jan. 23 | Partly cloudy | 1° /-6° | 0 mm | 0 cm | |
| Jan. 24 |  Moderate rain | 8° /3° | 5.5 mm | 0 cm | |
| Jan. 25 | Partly cloudy | -3° /-11° | 0 mm | 0 cm | |
| Jan. 26 | Sunny | -6° /-12° | 0 mm | 0 cm | |
| Jan. 27 | Partly cloudy | 2° /-6° | 0 mm | 0 cm | |
| Jan. 28 | Patchy moderate snow | 1° /0° | 0.7 mm | 0 cm | |
| Jan. 29 |  Mist | 7° /1° | 0 mm | 0 cm | |
| Jan. 30 | Sunny | 0° /0° | 0 mm | 0 cm | |
| Jan. 31 |  Patchy rain possible | 4° /-3° | 6.1 mm | 0.9 cm | |
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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.
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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?
Moderate rainfall is anticipated in Pennsylvania during January, with a total of 84.8 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
Will it snow in Pennsylvania in January 2026?
Pennsylvania experiences an average snowfall of 12.488 cm during January, occurring over 10 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 2026
Track daily snowfall levels and discover Pennsylvania’s snowy potential this January ❄️
On average, Pennsylvania sees 10 snowy days during January, with approximately 12.5 cm of total snowfall.
January rainfall patterns in Pennsylvania
Explore the daily rainfall trends and prepare for Pennsylvanias January weather 💧
Typically, Pennsylvania has 9 rainy days in January with a total of 84.8 mm of rainfall.
Counties in Pennsylvania
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Where is Pennsylvania?Get accurate weather forecasts for Pennsylvania, located at latitude 39.952 and longitude -75.164. Stay updated with localized weather information tailored for Pennsylvania.
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