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United States weather

Weather in Allentown, Pennsylvania for January 2027

Your guide to Allentown weather in January - trends and predictions

    Snow Forecast ❄️

  • Allentown typically experiences moderate snowfall in January, with an average of 8 snowy days.

    • Temperatures

  • In general, the average temperature in Allentown at the beginning of January is 1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -2.4 °F by the end of January.

    • More

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Average dry days
20
Dry days
Average rainy days
3
Rainy days
Average snowy days
8
Snow days
Average temperatures
0°/-6°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
72 %
Avg humidity

Allentown Weather January

Move between months or click on a day
December
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
2°
2
Sunny
2°
3
Overcast
0°
4
Partly cloudy
1°
5
Sunny
0°
6
Moderate snow
0°
7
Cloudy
2°
8
Overcast
1°
9
Sunny
2°
10
Partly cloudy
3°
11
Light freezing rain
2°
12
Sunny
4°
13
Overcast
4°
14
Overcast
2°
15
Overcast
2°
16
Light freezing rain
-1°
17
Overcast
2°
18
Patchy rain possible
2°
19
Moderate or heavy snow showers
0°
20
Cloudy
-4°
21
Overcast
-4°
22
Sunny
-2°
23
Overcast
-2°
24
Sunny
-5°
25
Overcast
-5°
26
Overcast
0°
27
Partly cloudy
-3°
28
Cloudy
-4°
29
Cloudy
0°
30
Partly cloudy
-3°
31
Moderate rain
-2°

Temperatures trend during January in Allentown

See the weather trend as well as the moving average line

January weather in Allentown day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Overcast
Overcast
 2° /-2° 2.6 mm 0 cm
Jan. 2 Sunny
Sunny
 2° /-4° 0 mm 0 cm
Jan. 3 Overcast
Overcast
 0° /-5° 0 mm 0 cm
Jan. 4 Partly cloudy
Partly cloudy
 1° /-4° 0 mm 0 cm
Jan. 5 Sunny
Sunny
 0° /-5° 1.7 mm 1.2 cm
Jan. 6 Moderate snow
Moderate snow
 0° /-3° 2.2 mm 1 cm
Jan. 7 Cloudy
Cloudy
 2° /-3° 0 mm 0 cm
Jan. 8 Overcast
Overcast
 1° /-4° 0 mm 0 cm
Jan. 9 Sunny
Sunny
 2° /-5° 0.8 mm 0 cm
Jan. 10 Partly cloudy
Partly cloudy
 3° /-3° 15.6 mm 0 cm
Jan. 11 Light freezing rain
Light freezing rain
 2° /-2° 1.1 mm 0.4 cm
Jan. 12 Sunny
Sunny
 4° /-3° 0 mm 0 cm
Jan. 13 Overcast
Overcast
 4° /-3° 0 mm 0 cm
Jan. 14 Overcast
Overcast
 2° /-3° 0 mm 0 cm
Jan. 15 Overcast
Overcast
 2° /-6° 7.6 mm 1.4 cm
Jan. 16 Light freezing rain
Light freezing rain
 -1° /-7° 0.4 mm 0 cm
Jan. 17 Overcast
Overcast
 2° /-4° 2.3 mm 1.7 cm
Jan. 18 Patchy rain possible
Patchy rain possible
 2° /-2° 0.4 mm 0 cm
Jan. 19 Moderate or heavy snow showers
Moderate or heavy snow showers
 0° /-7° 3.8 mm 2.2 cm
Jan. 20 Cloudy
Cloudy
 -4° /-12° 0 mm 0 cm
Jan. 21 Overcast
Overcast
 -4° /-14° 0 mm 0 cm
Jan. 22 Sunny
Sunny
 -2° /-11° 0 mm 0 cm
Jan. 23 Overcast
Overcast
 -2° /-10° 0 mm 0 cm
Jan. 24 Sunny
Sunny
 -5° /-12° 0 mm 0 cm
Jan. 25 Overcast
Overcast
 -5° /-11° 49.9 mm 36.1 cm
Jan. 26 Overcast
Overcast
 0° /-7° 4.3 mm 3.1 cm
Jan. 27 Partly cloudy
Partly cloudy
 -3° /-12° 0 mm 0 cm
Jan. 28 Cloudy
Cloudy
 -4° /-9° 0 mm 0 cm
Jan. 29 Cloudy
Cloudy
 0° /-9° 0 mm 0 cm
Jan. 30 Partly cloudy
Partly cloudy
 -3° /-13° 0 mm 0 cm
Jan. 31 Moderate rain
Moderate rain
 -2° /-10° 6 mm 0 cm
Next
Important Notice
Our weather forecast for Allentown 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 Allentown forecast closer to your planned date for the most up-to-date weather information.
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Allentown in January - FAQ

What are the expected maximum and minimum temperatures in Allentown during January?

Brace for cold days with temperatures not exceeding 0° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Allentown during January?

Moderate rainfall is anticipated in Allentown during January, with a total of 98.8 mm spread over approximately 3 days. Considering plans for rainy days is advisable.

Will it snow in Allentown in January 2027?

Allentown experiences an average snowfall of 47.055 cm during January, occurring over 8 days.

What are the typical wind conditions in Allentown during January?

The average wind speed in Allentown during January is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Allentown snow forecast January 2027

Track daily snowfall levels and discover Allentown’s snowy potential this January ❄️
On average, Allentown sees 8 snowy days during January, with approximately 47.1 cm of total snowfall.

January rainfall patterns in Allentown

Explore the daily rainfall trends and prepare for Allentowns January weather 💧
Typically, Allentown has 3 rainy days in January with a total of 98.8 mm of rainfall.

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Location coordinates Where is Allentown?

Get accurate weather forecasts for Allentown, located at latitude 40.608 and longitude -75.49. Stay updated with localized weather information tailored for Allentown.

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