Old Mammoth
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Old Mammoth Weather in December

December in Old Mammoth typically sees daytime highs of 5°C (41°F) and nighttime lows of -9°C (16°F). As the wettest month of the year, expect more snow/rainfall than other months. It falls within the winter season.

Rainfall in Old Mammoth in December

This month sees the most rain, so carrying an umbrella will ensure you stay dry. Typically, you can expect about 9 days of snow/rain this month, with 111 mm (4.4 in) on 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 Old Mammoth in December

In December, expect low temperatures in Old Mammoth, with highs of 5°C (41°F) and lows of -9°C (16°F) at night. Winter occurs in December. Even daytime conditions remain cold, making layers, a warm coat, and winter accessories a good idea. 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. Prepare for the coldest month of the year by packing warm and cozy winter cloths.

December in Old Mammoth can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.

Old Mammoth Temperature in December

Min Temperature
-9°C (16°F)
Max Temperature
5°C (41°F)
Chance of Rain
31%
Precipitation
111 mm (4.4 in)
Rainy days
9 days

Old Mammoth Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Old Mammoth - and find the best time to visit.

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
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Old Mammoth in December

Cold weather calls for smart layering in December. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes.

What To Do in Old Mammoth in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    3/10
  • Walking
    3/10
  • Barbeque
    1/10
  • Camping
    1/10
  • Outdoor sports
    3/10

Old Mammoth 3-Day Forecast

More climate data for Old Mammoth

Popular in December

Where to go in December - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.