January weather forecast
South Lake Tahoe, CA

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The Emerald Bay in South Lake Tahoe, California, with a side view of the mountain slope
The Emerald Bay in South Lake Tahoe, California, with a side view of the mountain slope

Weather in January

South Lake Tahoe, California, in January, inaugurates the year with a real winter climate. A distinctive trait for this month is the impressive amount of snow with 15.79" (401mm). Days are noticeably shorter compared to later months, and the city gets cloaked under a typical overcast foggy winter look. It's important to prepare for a possibility of reduced visibility due to the conditions. Do not forget warm clothes, as the temperatures often dip significantly during the night, making it imperative to stay properly dressed.

Temperature

In South Lake Tahoe, January's average high-temperature stands at a still wintry 37.8°F (3.2°C), closely related to the preceding month. January brings South Lake Tahoe a consistent average low-temperature of 22.5°F (-5.3°C).

Humidity

In January, the average relative humidity in South Lake Tahoe, California, is 77%.

Rainfall

In South Lake Tahoe, during January, the rain falls for 4.9 days and regularly aggregates up to 3.46" (88mm) of precipitation. In South Lake Tahoe, during the entire year, the rain falls for 67.1 days and collects up to 23.39" (594mm) of precipitation.

Snowfall

Months with snowfall in South Lake Tahoe are January through June, September through December. In South Lake Tahoe, during January, snow falls for 10.3 days and regularly aggregates up to 15.79" (401mm) of snow. In South Lake Tahoe, during the entire year, snow falls for 76 days and aggregates up to 113.98" (2895mm) of snow.

Daylight

The average length of the day in January is 9h and 49min.
On the first day of January in South Lake Tahoe, California, sunrise is at 7:18 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:19 pm PST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.6h of sunshine.

UV index

January through April, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

How cold does it get in South Lake Tahoe in January?

In South Lake Tahoe, 37.8°F (3.2°C) is the average high-temperature and 22.5°F (-5.3°C) is the average low-temperature during January.

What is the average humidity in January in South Lake Tahoe?

In January, the average relative humidity in South Lake Tahoe is 77%.

How many days does it rain in January in South Lake Tahoe?

In January, in South Lake Tahoe, California, the rain falls for 4.9 days. Throughout January, 3.46" (88mm) of precipitation is accumulated.

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

In South Lake Tahoe, in January, during 10.3 snowfall days, 15.79" (401mm) of snow is typically accumulated.

How many hours of daylight does South Lake Tahoe have in January?

In South Lake Tahoe, the average day length in January is 9h and 49min.

When is the sunrise / sunset in January in South Lake Tahoe?

On the first day of January in South Lake Tahoe, California, sunrise is at 7:18 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:19 pm PST.

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

January and December, with an average of 5.6h of sunshine, are months with the least sunshine in South Lake Tahoe, California.

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

In South Lake Tahoe, the average sunshine duration in January is 5.6h.

When is the lowest UV index in South Lake Tahoe?

The months with the lowest UV index in South Lake Tahoe are January through April, November and December, with an average maximum UV index of 2.

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

The average daily maximum UV index in January in South Lake Tahoe is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
South Lake Tahoe, CA

Average temperature in January - South Lake Tahoe, CA
  • Average high temperature in January: 37.8°F

The warmest month (with the highest average high temperature) is July (73.9°F).
The month with the lowest average high temperature is December (35.8°F).

  • Average low temperature in January: 22.5°F

The month with the highest average low temperature is July (46.8°F).
The coldest month (with the lowest average low temperature) is December (21°F).

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Average pressure in January
South Lake Tahoe, CA

Average pressure in January - South Lake Tahoe, CA
  • Average pressure in January: 30.18"Hg

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in January
South Lake Tahoe, CA

Average wind speed in January - South Lake Tahoe, CA
  • Average wind speed in January: 6.6mph

The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in January
South Lake Tahoe, CA

Average humidity in January - South Lake Tahoe, CA
  • Average humidity in January: 77%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in January
South Lake Tahoe, CA

Average rainfall in January - South Lake Tahoe, CA
  • Average rainfall in January: 3.46"

The wettest month (with the highest rainfall) is March (4.25").
The driest month (with the least rainfall) is August (0.28").

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Average rainfall days in January
South Lake Tahoe, CA

Average rainfall days in January - South Lake Tahoe, CA
  • Average rainfall days in January: 4.9 days

The month with the highest number of rainy days is May (10 days).
The month with the least rainy days is February (3.5 days).

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Average snowfall in January
South Lake Tahoe, CA

Average snowfall in January - South Lake Tahoe, CA
  • Average snowfall in January: 15.79"

The month with the highest snowfall is March (27.24").
The months with the least snowfall are July and August (0").

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Average snowfall days in January
South Lake Tahoe, CA

Average snowfall days in January - South Lake Tahoe, CA
  • Average snowfall days in January: 10.3 days

The month with the highest number of snowfall days is March (15 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in January /
Average sunshine in January
South Lake Tahoe, CA

Average daylight in January / Average sunshine in January - South Lake Tahoe, CA
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 5h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 36min).

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Average sunshine days in January
South Lake Tahoe, CA

Average sunshine days in January - South Lake Tahoe, CA
  • Average sunshine days in January: 18 days

The month with the most sunshine days is August (25.6 days).
The month with the least sunshine days is March (13.3 days).

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Average UV index in January
South Lake Tahoe, CA

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).

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Average cloud cover in January
South Lake Tahoe, CA

Average cloud cover in January - South Lake Tahoe, CA
  • Average cloud cover in January: 37

The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 8).

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Average visibility in January
South Lake Tahoe, CA

Average visibility in January - South Lake Tahoe, CA
  • Average visibility in January: 5mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).

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South Lake Tahoe, California, USA

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