easeweather.com
Mammoth Lakes (CA)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)
Mammoth Lakes (CA)
Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Norfolk (VA)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Riverside (CA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Mammoth Lakes, California for December 2025

Your guide to Mammoth Lakes weather in December - trends and predictions

    Snow Forecast ❄️

  • Mammoth Lakes typically experiences moderate snowfall in December, with an average of 7 snowy days.
    According to Mammoth Lakes snow forecast for December 2025, 8 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 Mammoth Lakes shows a warmer trend than usual by 2.3 °F.

  • Expect cooler weather in the next days in Mammoth Lakes with the forecast suggesting a temperature of 3.9 °F, lower than the historical average.

  • In general, the average temperature in Mammoth Lakes at the beginning of December is 4.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 0.3 °F by the end of December.

    • More

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

Average dry days
24
Dry days
Average rainy days
0
Rainy days
Average snowy days
7
Snow days
Average temperatures
2°/-6°
Temperatures
Average wind speed
12 km/h
Avg max wind
Average humidity
61 %
Avg humidity

Mammoth Lakes Weather December

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

Temperatures trend during December in Mammoth Lakes

See the weather trend as well as the moving average line

December weather in Mammoth Lakes day by day

Click on a date for more information
November January
Date Weather Temperatures Rain Snow More
Dec. 1 Cloudy
Cloudy
 5° /-5° 0 mm 0 cm
Dec. 2 Sunny
Sunny
 7° /-4° 0 mm 0 cm
Dec. 3 Cloudy
Cloudy
 1° /-6° 0 mm 0 cm
Dec. 4 Sunny
Sunny
 4° /-6° 0 mm 0 cm
Dec. 5 Cloudy
Cloudy
 6° /-3° 0 mm 0 cm
Dec. 6 Sunny
Sunny
 6° /-4° 0 mm 0 cm
Dec. 7 Overcast
Overcast
 5° /-5° 0 mm 0 cm
Dec. 8 Cloudy
Cloudy
 6° /-2° 0 mm 0 cm
Dec. 9 Sunny
Sunny
 6° /-4° 0 mm 0 cm
Dec. 10 Sunny
Sunny
 7° /-3° 0 mm 0 cm
Dec. 11 Cloudy
Cloudy
 10° /-1° 0 mm 0 cm
Dec. 12 Moderate snow
Moderate snow
 4° /-5° 2.7 mm 2 cm
Dec. 13 Cloudy
Cloudy
 6° /-7° 0 mm 0 cm
Dec. 14 Blizzard
Blizzard
 4° /-7° 36.3 mm 1.2 cm
Dec. 15 Partly cloudy
Partly cloudy
 5° /-7° 0.9 mm 0.6 cm
Dec. 16 Cloudy
Cloudy
 5° /-3° 0 mm 0 cm
Dec. 17 Cloudy
Cloudy
 8° /0° 0 mm 0 cm
Dec. 18 Partly cloudy
Partly cloudy
 8° /-1° 0 mm 0 cm
Dec. 19 Sunny
Sunny
 7° /-2° 0 mm 0 cm
Dec. 20 Patchy rain possible
Patchy rain possible
 10° /-1° 1.7 mm 1.1 cm
Dec. 21 Patchy rain possible
Patchy rain possible
 8° /0° 2.3 mm 1.3 cm
Dec. 22 Sunny
Sunny
 7° /-2° 0 mm 0 cm
Dec. 23 Moderate snow
Moderate snow
 5° /-3° 1.3 mm 0.9 cm
Dec. 24 Patchy heavy snow
Patchy heavy snow
 0° /-2° 13.9 mm 10 cm
Dec. 25 Heavy snow
Heavy snow
 0° /-8° 8.2 mm 5.9 cm
Dec. 26 Light freezing rain
Light freezing rain
 1° /-10° 0.3 mm 0.2 cm
Dec. 27 Partly cloudy
Partly cloudy
 2° /-9° 0 mm 0 cm
Dec. 28 Patchy moderate snow
Patchy moderate snow
 0° /-7° 0.6 mm 0.4 cm
Dec. 29 Patchy light snow
Patchy light snow
 -1° /-9° 0.1 mm 0 cm
Dec. 30 Patchy light snow
Patchy light snow
 -1° /-10° 0.1 mm 0 cm
Dec. 31 Cloudy
Cloudy
 1° /-10° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Mammoth Lakes 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 Mammoth Lakes forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Mammoth Lakes in December - FAQ

What are the expected maximum and minimum temperatures in Mammoth Lakes during December?
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 Mammoth Lakes during December?
Significant rainfall exceeding 125.3 mm is expected in Mammoth Lakes during December, occurring over more than 0 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Mammoth Lakes in December 2025?
Mammoth Lakes experiences an average snowfall of 40.64 cm during December, occurring over 7 days.
What are the typical wind conditions in Mammoth Lakes during December?
The average wind speed in Mammoth Lakes during December is 12 km/h, suggesting breezy to windy conditions, depending on your activities.

Mammoth Lakes snow forecast December 2025

Track daily snowfall levels and discover Mammoth Lakes’s snowy potential this December ❄️
On average, Mammoth Lakes sees 7 snowy days during December, with approximately 40.6 cm of total snowfall.

December rainfall patterns in Mammoth Lakes

Explore the daily rainfall trends and prepare for Mammoth Lakess December weather 💧

Quick links

More Mammoth Lakes weather pages
You are here
Location coordinates Where is Mammoth Lakes?

Get accurate weather forecasts for Mammoth Lakes, located at latitude 37.649 and longitude -118.972. Stay updated with localized weather information tailored for Mammoth Lakes.

Found a mistake?
We appreciate your attention to details. Tell us here.