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Mariposa County (Yosemite National Park)
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United States weather

Weather in Mariposa County, California for December 2025

Your guide to Mariposa County weather in December - trends and predictions

    Snow Forecast ❄️

  • Mariposa County typically experiences moderate snowfall in December, with an average of 10 snowy days.
    According to Mariposa County snow forecast for December 2025, 9 snowy days are expected until the end of the month. The closest date with snow is Saturday, December 20.

    • Temperatures

  • So far, December 2025 in Mariposa County is slightly warmer than the historical average by 1.6 °F.

  • The forecast for the next days in Mariposa County predicts a temperature of 3.1 °F, which is cooler than the historical average.

  • In general, the average temperature in Mariposa County at the beginning of December is 8 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of -0.1 °F by the end of December.

    • More

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Average dry days
21
Dry days
Average rainy days
0
Rainy days
Average snowy days
10
Snow days
Average temperatures
5°/-2°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
56 %
Avg humidity

Mariposa County Weather December

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

Temperatures trend during December in Mariposa County

See the weather trend as well as the moving average line

December weather in Mariposa County day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Cloudy
Cloudy
 8° /0° 0 mm 0 cm
Dec. 2 Sunny
Sunny
 9° /0° 0 mm 0 cm
Dec. 3 Cloudy
Cloudy
 5° /-2° 0 mm 0 cm
Dec. 4 Sunny
Sunny
 8° /-1° 0 mm 0 cm
Dec. 5 Overcast
Overcast
 9° /0° 0 mm 0 cm
Dec. 6 Sunny
Sunny
 9° /2° 0 mm 0 cm
Dec. 7 Overcast
Overcast
 8° /1° 0 mm 0 cm
Dec. 8 Cloudy
Cloudy
 8° /3° 0 mm 0 cm
Dec. 9 Sunny
Sunny
 10° /3° 0 mm 0 cm
Dec. 10 Sunny
Sunny
 11° /3° 0 mm 0 cm
Dec. 11 Partly cloudy
Partly cloudy
 11° /4° 0 mm 0 cm
Dec. 12 Heavy snow
Heavy snow
 6° /0° 23.2 mm 12.1 cm
Dec. 13 Moderate snow
Moderate snow
 5° /-2° 1.6 mm 1.1 cm
Dec. 14 Heavy snow
Heavy snow
 5° /-3° 40.8 mm 11.8 cm
Dec. 15 Partly cloudy
Partly cloudy
 7° /-2° 0.9 mm 0.6 cm
Dec. 16 Cloudy
Cloudy
 6° /1° 0 mm 0 cm
Dec. 17 Moderate rain
Moderate rain
 7° /2° 6.7 mm 0 cm
Dec. 18 Partly cloudy
Partly cloudy
 8° /3° 0 mm 0 cm
Dec. 19 Sunny
Sunny
 7° /2° 0 mm 0 cm
Dec. 20 Moderate rain
Moderate rain
 8° /1° 5.2 mm 3.4 cm
Dec. 21 Moderate rain
Moderate rain
 7° /2° 14.8 mm 5.8 cm
Dec. 22 Sunny
Sunny
 7° /0° 0 mm 0 cm
Dec. 23 Moderate or heavy snow showers
Moderate or heavy snow showers
 4° /-1° 5.1 mm 3.7 cm
Dec. 24 Heavy snow
Heavy snow
 -2° /-4° 28.4 mm 20.5 cm
Dec. 25 Heavy snow
Heavy snow
 0° /-5° 10.7 mm 7.7 cm
Dec. 26 Light freezing rain
Light freezing rain
 0° /-7° 0.3 mm 0.2 cm
Dec. 27 Sunny
Sunny
 1° /-7° 0 mm 0 cm
Dec. 28 Mist
Mist
 -1° /-4° 1.3 mm 0.9 cm
Dec. 29 Mist
Mist
 -1° /-7° 0.4 mm 0.2 cm
Dec. 30 Light snow showers
Light snow showers
 -2° /-7° 0.6 mm 0.4 cm
Dec. 31 Overcast
Overcast
 2° /-6° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Mariposa 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 Mariposa County forecast closer to your planned date for the most up-to-date weather information.
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Mariposa County in December - FAQ

What are the expected maximum and minimum temperatures in Mariposa County during December?
Brace for cold days with temperatures not exceeding 5° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Mariposa County during December?
Significant rainfall exceeding 367.5 mm is expected in Mariposa County during December, occurring over more than 0 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Mariposa County in December 2025?
Mariposa County experiences an average snowfall of 219.75 cm during December, occurring over 10 days.
What are the typical wind conditions in Mariposa County during December?
The average wind speed in Mariposa County during December is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

Mariposa County snow forecast December 2025

Track daily snowfall levels and discover Mariposa County’s snowy potential this December ❄️
On average, Mariposa County sees 10 snowy days during December, with approximately 219.8 cm of total snowfall.

December rainfall patterns in Mariposa County

Explore the daily rainfall trends and prepare for Mariposa Countys December weather 💧
Top locations in Mariposa County
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Yosemite National ParkYosemite Valley
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Location coordinates Where is Mariposa County?

Get accurate weather forecasts for Mariposa County, located at latitude 37.848 and longitude -119.557. Stay updated with localized weather information tailored for Mariposa County.

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