South Lake Tahoe Temperatures: Averages by Month





The numbers here tell you how hot and cold the weather usually is in South Lake Tahoe, California during each month of the year.

The average high and low temperatures are listed below for the resort city, in both degrees Fahrenheit and Celsius.

Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.

To find out how often it rises over 70, 80 or 90 °F monthly and annually at Lake Tahoe, scroll down farther. There are also monthly and yearly counts of days with cold weather.

The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.

10-year temperature averages for South Lake Tahoe, 2010 to 2019
High °F Low °F   High °C Low °C
45 20 January 7 -7
45 20 February 7 -7
49 25 March 9 -4
55 29 April 13 -2
61 34 May 16 1
74 40 June 23 5
82 45 July 28 7
81 43 August 27 6
74 38 September 23 3
63 31 October 17 -1
52 24 November 11 -4
44 20 December 7 -7
60 30 Year 16 -1
30-year temperature averages for South Lake Tahoe, 1991 to 2020
High °F Low °F   High °C Low °C
43 18 January 6 -8
43 19 February 6 -7
48 24 March 9 -5
53 28 April 12 -2
62 33 May 17 1
72 38 June 22 3
80 43 July 27 6
80 41 August 27 5
73 35 September 23 2
62 29 October 17 -2
51 23 November 11 -5
43 18 December 6 -8
59 29 Year 15 -2

Days of Hot Weather in South Lake Tahoe

By most people's standards, summer temperatures at Lake Tahoe are ideal. All but a couple of summer days warm up to at least 70 Fahrenheit, with about half making it to 80 degrees or more. It rarely becomes overly hot, as typically only one day a year heats up to 90 °F.

Days per month in South Lake Tahoe of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 0 0 0
February 0 0 0
March 0 0 0
April 1 0 0
May 8 1 0
June 20 7 0
July 30 19 1
August 30 19 0
September 23 7 0
October 8 0 0
November 0 0 0
December 0 0 0
Year 121 53 1

How Often South Lake Tahoe Has Cold Temperatures

Cold is common at Lake Tahoe, where freezing occurs most nights of the year and no month is entirely free of frost. The coldest nights drop to below 0 °F (-18 °C), which happens on average five nights a winter.

Despite frequent frosty nights, it usually thaws out here during the day. Typically there are just 12 days a year at Lake Tahoe when the thermometer never rises above freezing.

Days per month on average in South Lake Tahoe when the minimum temperature drops to 32, 20 or 10 °F or below
  10 °F
-12 °C
20 °F
-8 °C
32 °F
0 °C
January 7 18 29
February 6 14 27
March 2 9 28
April 0 3 25
May 0 0 15
June 0 0 5
July 0 0 1
August 0 0 2
September 0 0 10
October 0 2 24
November 2 11 27
December 7 19 29
Year 23 76 222
References

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

California Temperatures
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