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Delaware County (Glen Mills)
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United States weather

Weather in Delaware County, Pennsylvania for January 2026

Your guide to Delaware County weather in January - trends and predictions

    Official Weather Alert ⚠️

  • Cold Weather Advisory - See hour by hour.

    • Snow Forecast ❄️

  • Delaware County typically experiences moderate snowfall in January, with an average of 6 snowy days.
    According to Delaware County snow forecast for January 2026, no snow is expected until the end of the month.

    • Temperatures

  • Until now, January 2026 in Delaware County is slightly cooler than the historical average by -0.9 °F.

  • In general, the average temperature in Delaware County at the beginning of January is 2.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 0.6 °F by the end of January.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
15
Dry days
Average rainy days
10
Rainy days
Average snowy days
6
Snow days
Average temperatures
2°/-3°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Delaware County Weather January

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

Temperatures trend during January in Delaware County

See the weather trend as well as the moving average line

January weather in Delaware County day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
Jan. 1 Patchy rain possible
Patchy rain possible
 5° /0° 3.3 mm 0 cm
Jan. 2 Sunny
Sunny
 3° /-2° 0 mm 0 cm
Jan. 3 Partly cloudy
Partly cloudy
 3° /-3° 0 mm 0 cm
Jan. 4 Patchy rain possible
Patchy rain possible
 3° /-3° 0 mm 0 cm
Jan. 5 Partly cloudy
Partly cloudy
 1° /-5° 0 mm 0 cm
Jan. 6 Heavy snow
Heavy snow
 1° /-2° 11.6 mm 4.8 cm
Jan. 7 Moderate snow
Moderate snow
 2° /-2° 0.8 mm 0.5 cm
Jan. 8 Sunny
Sunny
 3° /-2° 0.1 mm 0 cm
Jan. 9 Light freezing rain
Light freezing rain
 7° /-2° 17.2 mm 0 cm
Jan. 10 Patchy rain possible
Patchy rain possible
 8° /0° 18.3 mm 0 cm
Jan. 11 Cloudy
Cloudy
 5° /-1° 4.1 mm 2.1 cm
Jan. 12 Overcast
Overcast
 4° /-3° 2 mm 0 cm
Jan. 13 Patchy rain possible
Patchy rain possible
 8° /-1° 4.4 mm 0 cm
Jan. 14 Light snow
Light snow
 3° /-4° 1.1 mm 0 cm
Jan. 15 Partly cloudy
Partly cloudy
 1° /-6° 4.2 mm 0 cm
Jan. 16 Heavy snow
Heavy snow
 -1° /-7° 1.4 mm 1 cm
Jan. 17 Cloudy
Cloudy
 0° /-5° 0 mm 0 cm
Jan. 18 Moderate snow
Moderate snow
 1° /-5° 0.5 mm 0.4 cm
Jan. 19 Moderate or heavy snow showers
Moderate or heavy snow showers
 1° /-5° 2 mm 1.4 cm
Jan. 20 Light snow
Light snow
 -4° /-11° 0 mm 0 cm
Jan. 21 Partly cloudy
Partly cloudy
 -3° /-11° 0 mm 0 cm
Jan. 22 Mist
Mist
 0° /-8° 0 mm 0 cm
Jan. 23 Fog
Fog
 0° /-7° 0 mm 0 cm
Jan. 24 Light drizzle
Light drizzle
 -1° /-7° 1.5 mm 0 cm
Jan. 25 Light rain
Light rain
 2° /-5° 39.5 mm 25.2 cm
Jan. 26 Overcast
Overcast
 4° /-2° 6.1 mm 0 cm
Jan. 27 Overcast
Overcast
 3° /-5° 0.9 mm 0 cm
Jan. 28 Overcast
Overcast
 0° /-5° 8.4 mm 0 cm
Jan. 29 Patchy rain possible
Patchy rain possible
 2° /-5° 0 mm 0 cm
Jan. 30 Overcast
Overcast
 1° /-7° 0 mm 0 cm
Jan. 31 Partly cloudy
Partly cloudy
 -8° /-19° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Delaware 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 Delaware County forecast closer to your planned date for the most up-to-date weather information.
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Delaware County in January - FAQ

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

Brace for cold days with temperatures not exceeding 2° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.

How much rainfall should be expected in Delaware County during January?

Significant rainfall exceeding 103.4 mm is expected in Delaware County during January, occurring over more than 10 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Delaware County in January 2026?

Delaware County experiences an average snowfall of 15.205 cm during January, occurring over 6 days.

What are the typical wind conditions in Delaware County during January?

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

Delaware County snow forecast January 2026

Track daily snowfall levels and discover Delaware County’s snowy potential this January ❄️
On average, Delaware County sees 6 snowy days during January, with approximately 15.2 cm of total snowfall.

January rainfall patterns in Delaware County

Explore the daily rainfall trends and prepare for Delaware Countys January weather 💧
Typically, Delaware County has 10 rainy days in January with a total of 103.4 mm of rainfall.
Top locations in Delaware County
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Glen Mills
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Location coordinates Where is Delaware County?

Get accurate weather forecasts for Delaware County, located at latitude 39.919 and longitude -75.492. Stay updated with localized weather information tailored for Delaware County.

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