South Lake Tahoe CA Average Temperatures 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

South Lake Tahoe Temperatures: Averages by Month

Days of Hot Weather in South Lake Tahoe

How Often South Lake Tahoe Has Cold Temperatures

References

More on Weather in California