Mammoth Lakes Weather in December
December in Mammoth Lakes brings low temperatures, with highs of 5°C (41°F) and nights dropping to -9°C (16°F). It's the rainiest month of the year, so come prepared with waterproof gear.
Rainfall in Mammoth Lakes in December
It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Expect around 9 days of snow/rain based on historical data, with 103 mm (4.1 in) average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Mammoth Lakes in December
Expect highs of 5°C (41°F) in Mammoth Lakes in December, with nights dropping to around -9°C (16°F). The winter season is characteristic of December. Staying warm is the main priority this month, especially during mornings and evenings. At -9°C (16°F) overnight, frost and ice are likely outside. Indoors, consider packing an extra blanket if you're unsure about the heating. It's generally the coldest month of the year, making it essential to pack warm layers and winter accessories.December in Mammoth Lakes has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Mammoth Lakes's climate page.
Mammoth Lakes Temperature in December
Min Temperature
-9°C (16°F)
Max Temperature
5°C (41°F)
Chance of Rain
30%
Precipitation
103 mm (4.1 in)
Rainy days
9 days
Best Places in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →
perfect weather
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tolerable
unpleasant
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What to Wear in Mammoth Lakes in December
Dress warmly and in layers for your trip to Mammoth Lakes in December. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Mammoth Lakes in December
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Mammoth Lakes's climate page.
See the full Mammoth Lakes climate overview or explore weather in the United States of America.
