Pennsylvania (Pittsburgh)
January
Weather in Pennsylvania for January 2026
Your guide to Pennsylvania weather in January - trends and predictions
Expect heavy snowfall in Pennsylvania during January, with an average of 16 snowy days.
In general, the average temperature in Pennsylvania at the beginning of January is 4 °F. As the month progressed, temperatures tended to slightly increase, reaching an average of 4.3 °F by the end of January.
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Snow Forecast ❄️
Temperatures
More
6
Dry days
9
Rainy days
16
Snow days
2°/-3°
Temperatures
17 km/h
Avg max wind
79 %
Avg humidity
Pennsylvania Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  7° | 2 5° | 3  7° | ||||
| 4 4° | 5  3° | 6 2° | 7  0° | 8 1° | 9 4° | 10 4° |
| 11 4° | 12 8° | 13 5° | 14  -2° | 15  -2° | 16 -0° | 17 2° |
| 18 2° | 19 4° | 20 -2° | 21  -3° | 22 -2° | 23 1° | 24 1° |
| 25  5° | 26 5° | 27 3° | 28 4° | 29 3° | 30 6° | 31 4° |
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Temperatures trend during January in Pennsylvania
See the weather trend as well as the moving average line
January weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 | Patchy rain possible | 7° /1° | 1.8 mm | 0.3 cm | |
| Jan. 2 | Patchy rain possible | 5° /1° | 0.8 mm | 0 cm | |
| Jan. 3 | Moderate or heavy rain shower | 7° /2° | 12.1 mm | 0.3 cm | |
| Jan. 4 | Moderate rain at times | 4° /0° | 1.1 mm | 0.1 cm | |
| Jan. 5 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Jan. 6 | Patchy rain possible | 2° /-2° | 19.5 mm | 13.4 cm | |
| Jan. 7 | Light snow showers | 0° /-3° | 1.2 mm | 0.9 cm | |
| Jan. 8 | Overcast | 1° /-4° | 0.5 mm | 0.3 cm | |
| Jan. 9 | Overcast | 4° /-3° | 7.4 mm | 0 cm | |
| Jan. 10 | Overcast | 4° /-3° | 1 mm | 0.5 cm | |
| Jan. 11 | Overcast | 4° /-2° | 3.9 mm | 2 cm | |
| Jan. 12 | Moderate or heavy rain shower | 8° /0° | 14.3 mm | 0 cm | |
| Jan. 13 | Patchy rain possible | 5° /-3° | 1 mm | 0 cm | |
| Jan. 14 | Cloudy | -2° /-7° | 0.3 mm | 0.1 cm | |
| Jan. 15 | Sunny | -2° /-8° | 0 mm | 0 cm | |
| Jan. 16 | Cloudy | 0° /-8° | 0.9 mm | 0.8 cm | |
| Jan. 17 | Overcast | 2° /-5° | 2.6 mm | 0 cm | |
| Jan. 18 | Overcast | 2° /-2° | 2.4 mm | 1.4 cm | |
| Jan. 19 | Moderate or heavy rain shower | 4° /-4° | 9.7 mm | 1.7 cm | |
| Jan. 20 | Patchy rain possible | -2° /-8° | 0.7 mm | 0.2 cm | |
| Jan. 21 | Light freezing rain | -3° /-9° | 0.2 mm | 0 cm | |
| Jan. 22 | Moderate or heavy rain shower | -2° /-10° | 1.9 mm | 0 cm | |
| Jan. 23 | Light freezing rain | 1° /-4° | 1.7 mm | 0 cm | |
| Jan. 24 | Overcast | 1° /-3° | 3.9 mm | 0 cm | |
| Jan. 25 | Moderate or heavy snow showers | 5° /-2° | 10.1 mm | 1.3 cm | |
| Jan. 26 | Light freezing rain | 5° /0° | 1.1 mm | 0 cm | |
| Jan. 27 | Overcast | 3° /-2° | 0.7 mm | 0 cm | |
| Jan. 28 | Overcast | 4° /0° | 8.5 mm | 1.4 cm | |
| Jan. 29 | Moderate rain at times | 3° /0° | 1.3 mm | 0.1 cm | |
| Jan. 30 | Overcast | 6° /-1° | 1.1 mm | 0.1 cm | |
| Jan. 31 | Light freezing rain | 4° /0° | 1.7 mm | 0.1 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.
Pennsylvania in January - FAQ
What are the expected maximum and minimum temperatures in Pennsylvania during January?
Brace for cold days with temperatures not exceeding 2° 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 113.4 mm is expected in Pennsylvania during January, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Pennsylvania in January 2026?
Pennsylvania experiences an average snowfall of 25.0233 cm during January, occurring over 16 days.
What are the typical wind conditions in Pennsylvania during January?
The average wind speed in Pennsylvania during January is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
Pennsylvania snow forecast January 2026
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January rainfall patterns in Pennsylvania
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