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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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Average dry days
15
Dry days
Average rainy days
13
Rainy days
Average snowy days
3
Snow days
Average temperatures
7°/-4°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
80 %
Avg humidity

Allegheny County in January average weather

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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
Patchy rain possible
7° /1° 1.1 mm 0.4 cm
Jan. 2 Patchy rain possible
Patchy rain possible
7° /3° 1.1 mm 0 cm
Jan. 3 Moderate or heavy rain shower
Moderate or heavy rain shower
10° /5° 18.2 mm 0.4 cm
Jan. 4 Moderate rain at times
Moderate rain at times
8° /3° 1.7 mm 0.2 cm
Jan. 5 Overcast
Overcast
6° /0° 0 mm 0 cm
Jan. 6 Patchy rain possible
Patchy rain possible
4° /-1° 1.4 mm 0 cm
Jan. 7 Patchy rain possible
Patchy rain possible
1° /0° 1.5 mm 1.2 cm
Jan. 8 Overcast
Overcast
3° /-1° 0.3 mm 0.1 cm
Jan. 9 Overcast
Overcast
6° /-1° 11 mm 0 cm
Jan. 10 Overcast
Overcast
6° /-1° 1.5 mm 0.7 cm
Jan. 11 Overcast
Overcast
6° /0° 1.9 mm 0.2 cm
Jan. 12 Moderate or heavy rain shower
Moderate or heavy rain shower
11° /1° 21.4 mm 0 cm
Jan. 13 Patchy rain possible
Patchy rain possible
6° /-2° 1.5 mm 0 cm
Jan. 14 Cloudy
Cloudy
0° /-6° 0.4 mm 0.1 cm
Jan. 15 Sunny
Sunny
-1° /-6° 0 mm 0 cm
Jan. 16 Cloudy
Cloudy
0° /-6° 1.4 mm 1.2 cm
Jan. 17 Patchy rain possible
Patchy rain possible
2° /-6° 3.9 mm 0 cm
Jan. 18 Overcast
Overcast
2° /-2° 1.5 mm 1.2 cm
Jan. 19 Moderate or heavy rain shower
Moderate or heavy rain shower
7° /-3° 14.5 mm 2.6 cm
Jan. 20 Patchy rain possible
Patchy rain possible
-1° /-6° 1.1 mm 0.2 cm
Jan. 21 Light freezing rain
Light freezing rain
-1° /-6° 0.2 mm 0 cm
Jan. 22 Moderate or heavy rain shower
Moderate or heavy rain shower
2° /-7° 2.9 mm 0 cm
Jan. 23 Light freezing rain
Light freezing rain
2° /-1° 2.5 mm 0 cm
Jan. 24 Overcast
Overcast
4° /0° 5.9 mm 0 cm
Jan. 25 Moderate or heavy snow showers
Moderate or heavy snow showers
7° /1° 15.1 mm 2 cm
Jan. 26 Light freezing rain
Light freezing rain
7° /2° 1.6 mm 0 cm
Jan. 27 Overcast
Overcast
4° /1° 1.1 mm 0 cm
Jan. 28 Overcast
Overcast
7° /2° 9.9 mm 0 cm
Jan. 29 Moderate rain at times
Moderate rain at times
4° /1° 1.9 mm 0.1 cm
Jan. 30 Light freezing rain
Light freezing rain
5° /-1° 1.7 mm 0.2 cm
Jan. 31 Light freezing rain
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.

January rainfall patterns in Allegheny County

Explore the daily rainfall trends and prepare for Allegheny Countys January weather 💧

January snowfall in Allegheny County

Track daily snowfall levels and discover Allegheny County’s snowy potential this January ❄️
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Location coordinates 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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