Pennsylvania
January
Weather in Pennsylvania for January 2025
Your guide to Pennsylvania weather in January - trends and predictions
In general, the average temperature in Pennsylvania at the beginning of January is 9.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 8.3 °F by the end of January.
Pennsylvania sees moderate rainfall in January, averaging 7 rainy days.
With an average of 2 snowy days, Pennsylvania enjoys a light touch of snow in January.
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22
Dry days
7
Rainy days
2
Snow days
10°/-1°
Temperatures
19 km/h
Avg max wind
71 %
Avg humidity
Pennsylvania in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  10° | 2  10° | 3  12° | 4 12° | 5  10° | ||
| 6 7° | 7  5° | 8 5° | 9 10° | 10 11° | 11 8° | 12 11° |
| 13 14° | 14 3° | 15  4° | 16 4° | 17 1° | 18 6° | 19 3° |
| 20 2° | 21 3° | 22 4° | 23 5° | 24 7° | 25 10° | 26 10° |
| 27 8° | 28 8° | 29 8° | 30 9° | 31 5° |
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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 | Cloudy | 10° /4° | 0.1 mm | 0 cm | |
| Jan. 2 | Partly cloudy | 10° /2° | 0 mm | 0 cm | |
| Jan. 3 | Moderate or heavy rain shower | 12° /4° | 2.8 mm | 0 cm | |
| Jan. 4 | Moderate rain at times | 12° /7° | 1.5 mm | 0 cm | |
| Jan. 5 | Patchy rain possible | 10° /4° | 0.4 mm | 0 cm | |
| Jan. 6 | Moderate rain at times | 7° /2° | 7.7 mm | 0 cm | |
| Jan. 7 | Overcast | 5° /1° | 0.4 mm | 0 cm | |
| Jan. 8 | Overcast | 5° /0° | 0 mm | 0 cm | |
| Jan. 9 | Patchy rain possible | 10° /0° | 23.2 mm | 0 cm | |
| Jan. 10 | Overcast | 11° /2° | 1.6 mm | 0 cm | |
| Jan. 11 | Overcast | 8° /1° | 0 mm | 0 cm | |
| Jan. 12 | Moderate or heavy rain shower | 11° /2° | 6 mm | 0 cm | |
| Jan. 13 | Moderate rain at times | 14° /2° | 11.4 mm | 0 cm | |
| Jan. 14 | Overcast | 3° /-2° | 0 mm | 0 cm | |
| Jan. 15 | Sunny | 4° /-2° | 0 mm | 0 cm | |
| Jan. 16 | Sunny | 4° /-2° | 2 mm | 1.7 cm | |
| Jan. 17 | Patchy rain possible | 1° /-4° | 0.2 mm | 0 cm | |
| Jan. 18 | Cloudy | 6° /0° | 0.4 mm | 0.1 cm | |
| Jan. 19 | Moderate or heavy rain shower | 3° /1° | 14.3 mm | 2.5 cm | |
| Jan. 20 | Overcast | 2° /-3° | 0.1 mm | 0 cm | |
| Jan. 21 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Jan. 22 | Moderate rain at times | 4° /-4° | 3.3 mm | 0 cm | |
| Jan. 23 | Moderate rain at times | 5° /-1° | 1.9 mm | 0 cm | |
| Jan. 24 | Cloudy | 7° /0° | 1.3 mm | 0 cm | |
| Jan. 25 | Moderate or heavy rain shower | 10° /3° | 12.6 mm | 0 cm | |
| Jan. 26 | Overcast | 10° /4° | 1.6 mm | 0 cm | |
| Jan. 27 | Overcast | 8° /2° | 0.7 mm | 0 cm | |
| Jan. 28 | Cloudy | 8° /2° | 10.9 mm | 0 cm | |
| Jan. 29 | Patchy rain possible | 8° /2° | 0.2 mm | 0 cm | |
| Jan. 30 | Overcast | 9° /2° | 0 mm | 0 cm | |
| Jan. 31 | Patchy rain possible | 5° /1° | 1.2 mm | 0 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?
Prepare for cooler days with highs just around 10° and colder nights, dipping below -1°.
How much rainfall should be expected in Pennsylvania during January?
Significant rainfall exceeding 211.3 mm is expected in Pennsylvania during January, occurring over more than 7 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Pennsylvania during January?
Pennsylvania experiences an average snowfall of 8.6 cm during January, occurring over 2 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Pennsylvania during January?
The average wind speed in Pennsylvania during January is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
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