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United States weather

Weather in Saint Joseph County, Indiana for December 2025

Your guide to Saint Joseph County weather in December - trends and predictions

    Snow Forecast ❄️

  • With an average of 5 snowy days, Saint Joseph County usually enjoys a light touch of snow in December.
    According to Saint Joseph County snow forecast for December 2025, 3 snowy days are expected until the end of the month. The closest date with snow is Thursday, December 18.

    • Temperatures

  • Until now, December 2025 in Saint Joseph County is slightly cooler than the historical average by -0.9 °F.

  • The forecast for the coming days of December 2025 predicts a temperature of 5.1 °F , which is warmer than usual.

  • In general, the average temperature in Saint Joseph County at the beginning of December is 0 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 7.7 °F by the end of December.

    • More

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

Average dry days
20
Dry days
Average rainy days
6
Rainy days
Average snowy days
5
Snow days
Average temperatures
1°/-2°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
83 %
Avg humidity

Saint Joseph County Weather December

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

Temperatures trend during December in Saint Joseph County

See the weather trend as well as the moving average line

December weather in Saint Joseph County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Overcast
Overcast
 0° /-4° 3.5 mm 2.5 cm
Dec. 2 Overcast
Overcast
 0° /-5° 4.2 mm 3 cm
Dec. 3 Moderate snow
Moderate snow
 1° /-5° 9.4 mm 6.2 cm
Dec. 4 Overcast
Overcast
 0° /-6° 0 mm 0 cm
Dec. 5 Blowing snow
Blowing snow
 -2° /-9° 3.4 mm 0.5 cm
Dec. 6 Cloudy
Cloudy
 -1° /-3° 0 mm 0 cm
Dec. 7 Overcast
Overcast
 2° /-3° 1.9 mm 0.8 cm
Dec. 8 Fog
Fog
 -1° /-4° 0 mm 0 cm
Dec. 9 Heavy rain at times
Heavy rain at times
 2° /-3° 2.1 mm 0 cm
Dec. 10 Freezing fog
Freezing fog
 2° /-1° 8.7 mm 0.6 cm
Dec. 11 Moderate or heavy snow showers
Moderate or heavy snow showers
 -1° /-4° 0.3 mm 0.2 cm
Dec. 12 Cloudy
Cloudy
 -2° /-6° 2.4 mm 1.7 cm
Dec. 13 Partly cloudy
Partly cloudy
 -2° /-8° 4 mm 2.9 cm
Dec. 14 Overcast
Overcast
 -2° /-8° 1.6 mm 0 cm
Dec. 15 Light rain
Light rain
 -1° /-5° 16.4 mm 0 cm
Dec. 16 Sunny
Sunny
 3° /-10° 0 mm 0 cm
Dec. 17 Overcast
Overcast
 2° /-1° 0 mm 0 cm
Dec. 18 Moderate rain
Moderate rain
 3° /0° 8 mm 0 cm
Dec. 19 Moderate or heavy snow showers
Moderate or heavy snow showers
 -4° /-6° 2.1 mm 1.1 cm
Dec. 20 Light freezing rain
Light freezing rain
 4° /-6° 0.2 mm 0.1 cm
Dec. 21 Light freezing rain
Light freezing rain
 3° /-2° 0.2 mm 0 cm
Dec. 22 Overcast
Overcast
 2° /-3° 0 mm 0 cm
Dec. 23 Overcast
Overcast
 7° /2° 0 mm 0 cm
Dec. 24 Sunny
Sunny
 5° /0° 0 mm 0 cm
Dec. 25 Patchy rain possible
Patchy rain possible
 14° /3° 0.1 mm 0 cm
Dec. 26 Patchy rain possible
Patchy rain possible
 17° /5° 0.2 mm 0 cm
Dec. 27 Overcast
Overcast
 5° /1° 0 mm 0 cm
Dec. 28 Partly cloudy
Partly cloudy
 5° /0° 0 mm 0 cm
Dec. 29 Partly cloudy
Partly cloudy
 6° /0° 0 mm 0 cm
Dec. 30 Fog
Fog
 5° /2° 0 mm 0 cm
Dec. 31 Moderate or heavy rain shower
Moderate or heavy rain shower
 2° /0° 36.1 mm 4.6 cm
Next
Important Notice
Our weather forecast for Saint Joseph County in December 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 Saint Joseph County forecast closer to your planned date for the most up-to-date weather information.
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Saint Joseph County in December - FAQ

What are the expected maximum and minimum temperatures in Saint Joseph County during December?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Saint Joseph County during December?
Significant rainfall exceeding 137.2 mm is expected in Saint Joseph County during December, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Saint Joseph County in December 2025?
Saint Joseph County experiences an average snowfall of 18.59 cm during December, occurring over 5 days.
What are the typical wind conditions in Saint Joseph County during December?
The average wind speed in Saint Joseph County during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

Saint Joseph County snow forecast December 2025

Track daily snowfall levels and discover Saint Joseph County’s snowy potential this December ❄️
On average, Saint Joseph County sees 5 snowy days during December, with approximately 18.6 cm of total snowfall.

December rainfall patterns in Saint Joseph County

Explore the daily rainfall trends and prepare for Saint Joseph Countys December weather 💧
Typically, Saint Joseph County has 6 rainy days in December with a total of 137.2 mm of rainfall.
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Location coordinates Where is Saint Joseph County?

Get accurate weather forecasts for Saint Joseph County, located at latitude 41.683 and longitude -86.25. Stay updated with localized weather information tailored for Saint Joseph County.

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