Allegheny County
January
Weather in Allegheny County for January 2025
Your guide to Allegheny County weather in January - trends and predictions
In general, the average temperature in Allegheny County at the beginning of January is 6.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 5.1 °F by the end of January.
The climate of Allegheny County in January is notably wet, with an average of 13 rainy days.
With an average of 3 snowy days, Allegheny County enjoys a light touch of snow in January.
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15
Dry days
13
Rainy days
3
Snow days
7°/-4°
Temperatures
16 km/h
Avg max wind
80 %
Avg humidity
Allegheny County in January average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  7° | 2 7° | 3  10° | 4 8° | 5  6° | ||
| 6 4° | 7 1° | 8 3° | 9 6° | 10 6° | 11 6° | 12 11° |
| 13 6° | 14  -0° | 15  -1° | 16 0° | 17 2° | 18 2° | 19 7° |
| 20 -1° | 21  -1° | 22 2° | 23 2° | 24 4° | 25  7° | 26 7° |
| 27 4° | 28 7° | 29 4° | 30 5° | 31 2° |
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Temperatures trend during January in Allegheny 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 | Patchy rain possible | 7° /1° | 1.1 mm | 0.4 cm | |
| Jan. 2 | Patchy rain possible | 7° /3° | 1.1 mm | 0 cm | |
| Jan. 3 | Moderate or heavy rain shower | 10° /5° | 18.2 mm | 0.4 cm | |
| Jan. 4 | Moderate rain at times | 8° /3° | 1.7 mm | 0.2 cm | |
| Jan. 5 | Overcast | 6° /0° | 0 mm | 0 cm | |
| Jan. 6 | Patchy rain possible | 4° /-1° | 1.4 mm | 0 cm | |
| Jan. 7 | Patchy rain possible | 1° /0° | 1.5 mm | 1.2 cm | |
| Jan. 8 | Overcast | 3° /-1° | 0.3 mm | 0.1 cm | |
| Jan. 9 | Overcast | 6° /-1° | 11 mm | 0 cm | |
| Jan. 10 | Overcast | 6° /-1° | 1.5 mm | 0.7 cm | |
| Jan. 11 | Overcast | 6° /0° | 1.9 mm | 0.2 cm | |
| Jan. 12 | Moderate or heavy rain shower | 11° /1° | 21.4 mm | 0 cm | |
| Jan. 13 | Patchy rain possible | 6° /-2° | 1.5 mm | 0 cm | |
| Jan. 14 | Cloudy | 0° /-6° | 0.4 mm | 0.1 cm | |
| Jan. 15 | Sunny | -1° /-6° | 0 mm | 0 cm | |
| Jan. 16 | Cloudy | 0° /-6° | 1.4 mm | 1.2 cm | |
| Jan. 17 | Patchy rain possible | 2° /-6° | 3.9 mm | 0 cm | |
| Jan. 18 | Overcast | 2° /-2° | 1.5 mm | 1.2 cm | |
| Jan. 19 | Moderate or heavy rain shower | 7° /-3° | 14.5 mm | 2.6 cm | |
| Jan. 20 | Patchy rain possible | -1° /-6° | 1.1 mm | 0.2 cm | |
| Jan. 21 | Light freezing rain | -1° /-6° | 0.2 mm | 0 cm | |
| Jan. 22 | Moderate or heavy rain shower | 2° /-7° | 2.9 mm | 0 cm | |
| Jan. 23 | Light freezing rain | 2° /-1° | 2.5 mm | 0 cm | |
| Jan. 24 | Overcast | 4° /0° | 5.9 mm | 0 cm | |
| Jan. 25 | Moderate or heavy snow showers | 7° /1° | 15.1 mm | 2 cm | |
| Jan. 26 | Light freezing rain | 7° /2° | 1.6 mm | 0 cm | |
| Jan. 27 | Overcast | 4° /1° | 1.1 mm | 0 cm | |
| Jan. 28 | Overcast | 7° /2° | 9.9 mm | 0 cm | |
| Jan. 29 | Moderate rain at times | 4° /1° | 1.9 mm | 0.1 cm | |
| Jan. 30 | Light freezing rain | 5° /-1° | 1.7 mm | 0.2 cm | |
| Jan. 31 | Light freezing rain | 2° /-1° | 0.9 mm | 0.2 cm | |
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Important Notice
Our weather forecast for Allegheny 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 Allegheny County forecast closer to your planned date for the most up-to-date weather information.
Allegheny County in January - FAQ
What are the expected maximum and minimum temperatures in Allegheny County during January?
Prepare for cooler days with highs just around 7° and colder nights, dipping below -4°.
How much rainfall should be expected in Allegheny County during January?
Significant rainfall exceeding 258.2 mm is expected in Allegheny County during January, occurring over more than 13 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Allegheny County during January?
Allegheny County experiences an average snowfall of 22.2 cm during January, occurring over 3 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Allegheny County during January?
The average wind speed in Allegheny County during January is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
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Where is Allegheny County?Get accurate weather forecasts for Allegheny County, located at latitude 40.441 and longitude -79.996. Stay updated with localized weather information tailored for Allegheny County.
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