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Dauphin County (Harrisburg)
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Weather in Dauphin County, Pennsylvania for January 2026

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

    Official Weather Alert ⚠️

  • Cold Weather Advisory - See hour by hour.

    • Snow Forecast ❄️

  • Dauphin County typically experiences moderate snowfall in January, with an average of 7 snowy days.
    According to Dauphin County snow forecast for January 2026, no snow is expected until the end of the month.

    • Temperatures

  • Until now, January 2026 in Dauphin County is slightly cooler than the historical average by -1.3 °F.

  • In general, the average temperature in Dauphin County at the beginning of January is 2.3 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of -0.1 °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
9
Rainy days
Average snowy days
7
Snow days
Average temperatures
2°/-4°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
74 %
Avg humidity

Dauphin County Weather January

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

Temperatures trend during January in Dauphin County

See the weather trend as well as the moving average line

January weather in Dauphin 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
 4° /-1° 1.8 mm 0 cm
Jan. 2 Sunny
Sunny
 3° /-3° 0 mm 0 cm
Jan. 3 Overcast
Overcast
 2° /-3° 0 mm 0 cm
Jan. 4 Patchy rain possible
Patchy rain possible
 2° /-3° 0 mm 0 cm
Jan. 5 Overcast
Overcast
 2° /-5° 0 mm 0 cm
Jan. 6 Heavy snow
Heavy snow
 1° /-3° 13.6 mm 8.6 cm
Jan. 7 Moderate snow
Moderate snow
 2° /-2° 0.4 mm 0.2 cm
Jan. 8 Freezing fog
Freezing fog
 2° /-3° 0 mm 0 cm
Jan. 9 Light sleet
Light sleet
 6° /-3° 18.9 mm 0 cm
Jan. 10 Patchy rain possible
Patchy rain possible
 7° /-1° 13.7 mm 0 cm
Jan. 11 Patchy rain possible
Patchy rain possible
 4° /-1° 4.8 mm 2.1 cm
Jan. 12 Patchy rain possible
Patchy rain possible
 5° /-2° 3.3 mm 0 cm
Jan. 13 Overcast
Overcast
 7° /-2° 1.9 mm 0 cm
Jan. 14 Overcast
Overcast
 2° /-4° 0 mm 0 cm
Jan. 15 Overcast
Overcast
 0° /-7° 0 mm 0 cm
Jan. 16 Overcast
Overcast
 -1° /-8° 1.2 mm 0.8 cm
Jan. 17 Sunny
Sunny
 0° /-6° 0 mm 0 cm
Jan. 18 Moderate snow
Moderate snow
 1° /-6° 0.4 mm 0.3 cm
Jan. 19 Overcast
Overcast
 1° /-7° 1.4 mm 1 cm
Jan. 20 Light snow showers
Light snow showers
 -4° /-11° 0.1 mm 0.1 cm
Jan. 21 Partly cloudy
Partly cloudy
 -2° /-11° 0 mm 0 cm
Jan. 22 Mist
Mist
 -1° /-9° 0 mm 0 cm
Jan. 23 Overcast
Overcast
 0° /-8° 0.1 mm 0 cm
Jan. 24 Light rain
Light rain
 -2° /-7° 3.4 mm 0 cm
Jan. 25 Light rain
Light rain
 -2° /-7° 40.4 mm 25.9 cm
Jan. 26 Overcast
Overcast
 4° /-4° 2.7 mm 1.8 cm
Jan. 27 Overcast
Overcast
 2° /-5° 1.1 mm 0 cm
Jan. 28 Light sleet
Light sleet
 0° /-5° 8.8 mm 0 cm
Jan. 29 Overcast
Overcast
 1° /-5° 0 mm 0 cm
Jan. 30 Cloudy
Cloudy
 1° /-6° 0 mm 0 cm
Jan. 31 Partly cloudy
Partly cloudy
 -7° /-22° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Dauphin 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 Dauphin County forecast closer to your planned date for the most up-to-date weather information.
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Dauphin County in January - FAQ

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

Significant rainfall exceeding 100.8 mm is expected in Dauphin County during January, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Dauphin County in January 2026?

Dauphin County experiences an average snowfall of 19.675 cm during January, occurring over 7 days.

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

The average wind speed in Dauphin County during January is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Dauphin County snow forecast January 2026

Track daily snowfall levels and discover Dauphin County’s snowy potential this January ❄️
On average, Dauphin County sees 7 snowy days during January, with approximately 19.7 cm of total snowfall.

January rainfall patterns in Dauphin County

Explore the daily rainfall trends and prepare for Dauphin Countys January weather 💧
Typically, Dauphin County has 9 rainy days in January with a total of 100.8 mm of rainfall.
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HarrisburgHershey
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Location coordinates Where is Dauphin County?

Get accurate weather forecasts for Dauphin County, located at latitude 40.274 and longitude -76.884. Stay updated with localized weather information tailored for Dauphin County.

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