January weather forecast and climate
Mammoth Lakes, CA

What is the coldest month in Mammoth Lakes?

January is the coldest month in Mammoth Lakes, with an average high-temperature of 40.1°F (4.5°C) and an average low-temperature of 14.7°F (-9.6°C).

What is the temperature in January in Mammoth Lakes?

In January, in Mammoth Lakes, the average high-temperature is 40.1°F (4.5°C), and the average low-temperature is 14.7°F (-9.6°C).

How many days does it rain in January in Mammoth Lakes?

In Mammoth Lakes, during January, the rain falls for 9 days and regularly aggregates up to 4.6" (116.8mm) of precipitation.

What is the rainiest month in Mammoth Lakes?

The month with the most rainfall in Mammoth Lakes, California, is January when the rain falls for 9 days and typically aggregates up to 4.6" (116.8mm) of precipitation.

How much does it snow in Mammoth Lakes in January?

In Mammoth Lakes, California, in January, typically 43.1" (1094.7mm) of snow is accumulated.
Average temperature in January - Mammoth Lakes, CA
  • Average high temperature in January: 40.1°F

The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in January: 14.8°F

The month with the highest average low temperature is July (45.3°F).
The coldest month (with the lowest average low temperature) is January (14.8°F).

Average rainfall in January - Mammoth Lakes, CA
  • Average rainfall in January: 4.6"

The wettest month (with the highest rainfall) is January (4.6").
The driest month (with the lowest rainfall) is August (0.3").

Average rainfall days in January - Mammoth Lakes, CA
  • Average rainfall days in January: 9 days

Months with the highest number of rainy days are January and February (9 days).
Months with the lowest number of rainy days are August and September (2 days).

Average snowfall in January - Mammoth Lakes, CA
  • Average snowfall in January: 43.1"

The month with the highest snowfall is December (45.3").
Months with the lowest snowfall are July, August and September (0").

Average daylight in January / Average sunshine in January - Mammoth Lakes, CA
  • Average daylight in January: 9.9h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in January: 7h

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is December (Average sunshine: 6h).

Average UV index in January - Mammoth Lakes, CA
  • Average UV index in January: 3

Months with the highest UV index are June and July (UV index 11).
The month with the lowest UV index is December (UV index 2).

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