South Lake Tahoe weather in December: South Lake Tahoe, California: normal highs, lows, rain and records for December

South Lake Tahoe in December has a normal high of 43°F and a normal low of 18°F, a daily mean of 30°F, falling from 45°F on the 1st to 42°F by the 31st. Measurable precipitation falls on 11 days in a normal December, 3.49 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 6°C and low of −8°C, 89 mm of precipitation in December.

  • NOAA stationSouth Lake Tahoe Airport
  • Station IDUSW00093230
  • Location38.90°N 119.99°W
  • Elevation6,314 ft (1,925 m)
  • Population21,225
  1. Jan 43° 18°
  2. Feb 43° 19°
  3. Mar 48° 24°
  4. Apr 53° 28°
  5. May 62° 33°
  6. Jun 72° 38°
  7. Jul 80° 43°
  8. Aug 80° 41°
  9. Sep 73° 35°
  10. Oct 62° 29°
  11. Nov 51° 23°
  12. Dec 43° 18°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is South Lake Tahoe in December?

The normal high is 43°F and the normal low 18°F, for a daily mean of 30.4°F. December is 6.7°F cooler than November and 0.2°F cooler than January. December is the 12th warmest month of the year in South Lake Tahoe and the 2nd wettest. Across the month the normal high falls 3°F, from 45°F on December 1 to 42°F on December 31. From one year to the next December's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 28°F and 33°F.

South Lake Tahoe in December, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 34%).

Normal high and low on five days of December, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
December 145°F20°F30%18%
December 843°F19°F32%18%
December 1542°F18°F34%19%
December 2242°F17°F34%19%
December 3142°F18°F32%18%
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 21)
South Lake Tahoe: NOAA 1991-2020 daily normals for each day of December
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
December 145°F20°F30%18%9 h 40 min
December 245°F20°F31%18%9 h 40 min
December 345°F20°F31%18%9 h 40 min
December 444°F19°F31%18%9 h 40 min
December 544°F19°F32%18%9 h 40 min
December 644°F19°F32%18%9 h 30 min
December 744°F19°F32%18%9 h 30 min
December 843°F19°F32%18%9 h 30 min
December 943°F18°F33%18%9 h 30 min
December 1043°F18°F33%19%9 h 30 min
December 1143°F18°F33%19%9 h 30 min
December 1243°F18°F33%19%9 h 30 min
December 1343°F18°F34%19%9 h 30 min
December 1442°F18°F34%19%9 h 30 min
December 1542°F18°F34%19%9 h 30 min
December 1642°F18°F34%19%9 h 30 min
December 1742°F18°F34%19%9 h 30 min
December 1842°F17°F34%19%9 h 30 min
December 1942°F17°F34%19%9 h 30 min
December 2042°F17°F34%19%9 h 30 min
December 2142°F17°F34%19%9 h 30 min
December 2242°F17°F34%19%9 h 30 min
December 2342°F17°F33%19%9 h 30 min
December 2442°F17°F33%19%9 h 30 min
December 2542°F17°F33%19%9 h 30 min
December 2642°F17°F33%19%9 h 30 min
December 2742°F17°F33%19%9 h 30 min
December 2842°F17°F33%19%9 h 30 min
December 2942°F18°F32%18%9 h 30 min
December 3042°F18°F32%18%9 h 30 min
December 3142°F18°F32%18%9 h 30 min
Normal high
43°FDecember average
Normal low
18°FDecember average
Precipitation
3.49 inmonth total
Days with precipitation
110.01 inch or more
Nights at 32°F or colder
29
Daylight
9 h 40 min to 9 h 30 minDecember 1 to December 31
Sunshine
74%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00093230; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in South Lake Tahoe in December?

On a given December day the chance of 0.01 inch or more is 33% on average, highest around December 16 (34%). In all, 3.49 in falls on 11 days of a normal December, 1 of them with an inch or more.

In a normal December in South Lake Tahoe, 29 nights fall to freezing and 3 days stay below freezing all day.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093230.

What are the records for December in South Lake Tahoe?

The warmest December temperature on this station's record (since 1968) is 64°F, on December 1, 2008; the coldest is −29°F, on December 9, 1972. The wettest December brought 13.83 in (2005); the snowiest, 27.2 inches (2015).

The December mean against the 1991-2020 normal of 30.4°F: 2021 28.1°F (−2.3), 2022 26.8°F (−3.6), 2023 33.7°F (+3.3), 2024 33.7°F (+3.3), 2025 35.8°F (+5.4). 3 of 5 ran warmer than normal.

South Lake Tahoe: December in recent years against the 1991-2020 normal
DecemberMeanAgainst normalPrecip.
202128.1°F−2.3°F6.82 in
202226.8°F−3.6°F13.62 in
202333.7°F+3.3°F1.60 in
202433.7°F+3.3°F2.22 in
202535.8°F+5.4°F6.69 in

Source: records: ACIS, station USW00093230; recent months: ACIS, station USW00093230. Records and recent months use complete months only.

How does December in South Lake Tahoe compare across California?

Across the 219 places PlainClimate covers in California, December normal highs run from 38°F in Tahoma to 71°F in Anaheim; South Lake Tahoe's is 43°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places