Philadelphia County (Philadelphia)
January
Weather in Philadelphia County for January 2026
Your guide to Philadelphia County weather in January - trends and predictions
Philadelphia County typically experiences moderate snowfall in January, with an average of 8 snowy days.
In general, the average temperature in Philadelphia County at the beginning of January is 6.9 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 4.7 °F by the end of January.
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Snow Forecast ❄️
Temperatures
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11
Dry days
12
Rainy days
8
Snow days
5°/-1°
Temperatures
18 km/h
Avg max wind
66 %
Avg humidity
Philadelphia County Weather January
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  10° | 2  11° | 3 7° | ||||
| 4  7° | 5 6° | 6  4° | 7 3° | 8 3° | 9 6° | 10 6° |
| 11 4° | 12 7° | 13 9° | 14 4° | 15 3° | 16  4° | 17 4° |
| 18  5° | 19 5° | 20 2° | 21 -0° | 22 2° | 23 2° | 24 4° |
| 25 6° | 26 5° | 27 6° | 28 4° | 29 4° | 30 4° | 31 4° |
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Temperatures trend during January in Philadelphia County
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 | Heavy rain at times | 10° /4° | 6.8 mm | 0 cm | |
| Jan. 2 | Overcast | 11° /3° | 2.5 mm | 0 cm | |
| Jan. 3 | Heavy rain at times | 7° /0° | 5.1 mm | 1.6 cm | |
| Jan. 4 | Sunny | 7° /1° | 0.8 mm | 0 cm | |
| Jan. 5 | Overcast | 6° /-1° | 0.3 mm | 0 cm | |
| Jan. 6 | Partly cloudy | 4° /0° | 5.3 mm | 1.6 cm | |
| Jan. 7 | Sunny | 3° /-2° | 2 mm | 1.3 cm | |
| Jan. 8 | Overcast | 3° /-3° | 0 mm | 0 cm | |
| Jan. 9 | Partly cloudy | 6° /-3° | 10.9 mm | 0 cm | |
| Jan. 10 | Overcast | 6° /-2° | 0.7 mm | 0 cm | |
| Jan. 11 | Overcast | 4° /-2° | 1.8 mm | 1.3 cm | |
| Jan. 12 | Sunny | 7° /-2° | 2.4 mm | 0 cm | |
| Jan. 13 | Sunny | 9° /0° | 4.6 mm | 0 cm | |
| Jan. 14 | Partly cloudy | 4° /-3° | 0 mm | 0 cm | |
| Jan. 15 | Overcast | 3° /-4° | 0.5 mm | 0 cm | |
| Jan. 16 | Patchy rain possible | 4° /-4° | 3.3 mm | 0.8 cm | |
| Jan. 17 | Partly cloudy | 4° /-2° | 4.8 mm | 0 cm | |
| Jan. 18 | Cloudy | 5° /-1° | 0.1 mm | 0 cm | |
| Jan. 19 | Sunny | 5° /-1° | 7.3 mm | 2.1 cm | |
| Jan. 20 | Overcast | 2° /-4° | 2 mm | 0.7 cm | |
| Jan. 21 | Overcast | 0° /-6° | 0 mm | 0 cm | |
| Jan. 22 | Partly cloudy | 2° /-6° | 1.3 mm | 0 cm | |
| Jan. 23 | Cloudy | 2° /-3° | 0.7 mm | 0 cm | |
| Jan. 24 | Partly cloudy | 4° /-3° | 0.5 mm | 0 cm | |
| Jan. 25 | Cloudy | 6° /-1° | 5 mm | 0 cm | |
| Jan. 26 | Overcast | 5° /0° | 1.7 mm | 0 cm | |
| Jan. 27 | Cloudy | 6° /-2° | 0.3 mm | 0 cm | |
| Jan. 28 | Overcast | 4° /-1° | 4.8 mm | 0.2 cm | |
| Jan. 29 | Overcast | 4° /-3° | 3 mm | 2 cm | |
| Jan. 30 | Overcast | 4° /-4° | 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 Philadelphia County 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 Philadelphia County forecast closer to your planned date for the most up-to-date weather information.
Philadelphia County in January - FAQ
What are the expected maximum and minimum temperatures in Philadelphia County during January?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Philadelphia County during January?
Moderate rainfall is anticipated in Philadelphia County during January, with a total of 90.9 mm spread over approximately 12 days. Considering plans for rainy days is advisable.
Will it snow in Philadelphia County in January 2026?
Philadelphia County experiences an average snowfall of 9.995 cm during January, occurring over 8 days.
What are the typical wind conditions in Philadelphia County during January?
The average wind speed in Philadelphia County during January is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Philadelphia County snow forecast January 2026
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January rainfall patterns in Philadelphia County
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Where is Philadelphia County?Get accurate weather forecasts for Philadelphia County, located at latitude 39.952 and longitude -75.164. Stay updated with localized weather information tailored for Philadelphia County.
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