South Lake Tahoe
California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
South Lake Tahoe, CA

Stunning view of the Emerald Bay in South Lake Tahoe, California, with a side view of the mountain slope
Stunning view of the Emerald Bay in South Lake Tahoe, California, with a side view of the mountain slope
The first month of the winter, Diciembre, is still a chilly month in South Lake Tahoe, California, with temperature in the range of an average high of 43.2°F (6.2°C) and an average low of 16.5°F (-8.6°C).

Temperature

In Diciembre, the average high-temperature marginally drops, from a cool 50.5°F (10.3°C) in Noviembre, to a frosty 43.2°F (6.2°C). In Diciembre, in South Lake Tahoe, the average low-temperature is 16.5°F (-8.6°C).

Rainfall

Diciembre is the month with the most rainfall in South Lake Tahoe. Rain falls for 12.1 days and accumulates 3.81" (96.8mm) of precipitation.

Snowfall

Enero through Junio, Noviembre and Diciembre are months with snowfall. During Diciembre, South Lake Tahoe regularly aggregates up to 12.5" (317.5mm) of snow. In South Lake Tahoe, during the entire year, snow aggregates up to 143.4" (3642.3mm).

Daylight

The month with the shortest days is Diciembre, with an average of 9.5h of daylight.

Sunshine

Months with the least sunshine in South Lake Tahoe, California, are Enero and Diciembre, with an average of 6h of sunshine.

UV index

Months with the lowest UV index are Enero and Diciembre, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In Diciembre, the average maximum UV index of 2 translate into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in Diciembre in South Lake Tahoe?

In South Lake Tahoe, California, in Diciembre, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 16.5°F (-8.6°C).

How much does it rain in South Lake Tahoe in Diciembre?

In South Lake Tahoe, in Diciembre, it is raining for 12.1 days, with typically 3.81" (96.8mm) of accumulated precipitation.

What is the wettest month in South Lake Tahoe?

Diciembre is the month with the most rainfall in South Lake Tahoe. Rain falls for 12.1 days and accumulates 3.81" (96.8mm) of precipitation.

How much does it snow in South Lake Tahoe in Diciembre?

During Diciembre, South Lake Tahoe regularly aggregates up to 12.5" (317.5mm) of snow.

What is the month with the shortest days in South Lake Tahoe?

Diciembre has the shortest days of the year in South Lake Tahoe, with an average of 9.5h of daylight.

What is the average length of the day in Diciembre in South Lake Tahoe?

The average length of the day in Diciembre is 9.5h.

What is the month with the least sunshine in South Lake Tahoe?

Enero and Diciembre, with an average of 6h of sunshine, are months with the least sunshine.

How many hours of sunshine does South Lake Tahoe have in Diciembre?

In South Lake Tahoe, California, the average sunshine in Diciembre is 6h.

What is the month with the lowest UV index in South Lake Tahoe?

Months with the lowest UV index are Enero and Diciembre, with an average maximum UV index of 2.

What is the UV index reading in Diciembre in South Lake Tahoe?

The average daily maximum UV index in Diciembre is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.
Average temperature in December - South Lake Tahoe, CA
  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (43°F).

  • Average low temperature in December: 16.5°F

The month with the highest average low temperature is July (41.4°F).
The coldest month (with the lowest average low temperature) is January (16.1°F).

Average rainfall in December - South Lake Tahoe, CA
  • Average rainfall in December: 3.8"

The wettest month (with the highest rainfall) is December (3.8").
Driest months (with the lowest rainfall) are June and September (0.2").

Average rainfall days in December - South Lake Tahoe, CA
  • Average rainfall days in December: 12.1 days

The month with the highest number of rainy days is December (12.1 days).
The month with the lowest number of rainy days is September (1.4 days).

Average snowfall in December - South Lake Tahoe, CA
  • Average snowfall in December: 12.5"

The month with the highest snowfall is November (40").
Months with the lowest snowfall are July, August, September and October (0").

Average daylight in December / Average sunshine in December - South Lake Tahoe, CA
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 6h

The month with most sunshine is July (Average sunshine: 13h).
Months with least sunshine are January and December (Average sunshine: 6).

Average UV index in December - South Lake Tahoe, CA
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 2).