August 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

August

Weather in August

Retaining the warmth and vibrancy of the previous month, South Lake Tahoe's weather in August is still firmly set on the summer schedule. Despite this, a hint of monsoon can be felt as a slight increase in rainfall compared to July with a modest 0.28" (7mm). It’s a great time to explore South Lake Tahoe’s rugged beauty without the worry of winter road conditions. People are seen making the most out of the balmy weather before the onset of the fall. A well-spent August day in South Lake Tahoe is followed by a comfortably cool and relaxing evening.

Temperature

As South Lake Tahoe welcomes August, the average high-temperature records at a pleasant 73°F (22.8°C), marking an insignificant deviation from the prior month. Despite soaring daytime temperatures, South Lake Tahoe registers a consistent average low-temperature of 46.2°F (7.9°C) in August.

Humidity

The least humid month in South Lake Tahoe is August, with an average relative humidity of 42%.

Rainfall

August is the month with the least rainfall. Rain falls for 4.2 days and accumulates 0.28" (7mm) of precipitation.

Snowfall

July and August are months without snowfall.

Daylight

In South Lake Tahoe, the average length of the day in August is 13h and 38min.
On the first day of the month, sunrise is at 6:01 am and sunset at 8:10 pm. On the last day of August, in South Lake Tahoe, sunrise is at 6:28 am and sunset at 7:31 pm PDT.

Sunshine

In South Lake Tahoe, the average sunshine in August is 11.8h.

UV index

June through August, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 during August leads to these advisories:
Make use of precautions - It is urged to ward off sun damage. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in South Lake Tahoe in August?
An average high-temperature, in August, in South Lake Tahoe, is 73°F (22.8°C) and the average low-temperature is 46.2°F (7.9°C).
What is the least humid month in South Lake Tahoe?
The least humid month in South Lake Tahoe is August, with an average relative humidity of 42%.
What is the average humidity in August in South Lake Tahoe?
The average relative humidity in August in South Lake Tahoe is 42%.
What is the driest month in South Lake Tahoe?
The month with the least rainfall is August, when the rain falls for 4.2 days and typically collects 0.28" (7mm) of precipitation.
How many days does it rain in August in South Lake Tahoe?
In South Lake Tahoe, in August, during 4.2 rainfall days, 0.28" (7mm) of precipitation is typically accumulated.
When it does not snow in South Lake Tahoe?
In South Lake Tahoe, snow does not fall in July and August.
Does it snow in South Lake Tahoe in August?
In South Lake Tahoe, California, in August, it doesn't snow. In September, it regularly snows.
How many hours of daylight does South Lake Tahoe have in August?
In August, the average day length in South Lake Tahoe, California, is 13h and 38min.
When are sunrise and sunset in August in South Lake Tahoe?
In August, on the first day of the month, sunrise is at 6:01 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 6:28 am and sunset at 7:31 pm PDT.
How many hours of sunshine does South Lake Tahoe have in August?
In August, the average sunshine duration in South Lake Tahoe is 11.8h.
When is the highest UV index in South Lake Tahoe?
The months with the highest UV index in South Lake Tahoe are June through August, with an average maximum UV index of 5.
How high is the UV index in August in South Lake Tahoe?
In South Lake Tahoe, the average daily maximum UV index in August is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJAugustSOND
Jul
August
Sep
Average high temperature
73.9°F
73°F
67.3°F
Average low temperature
46.8°F
46.2°F
42.3°F
Average pressure
29.93"Hg
29.93"Hg
29.94"Hg
Average wind speed
5.5mph
5.3mph
5.8mph
Average max. wind speed
6.6mph
6.6mph
6.3mph
Average wind speed gusts
9.1mph
8.9mph
9.7mph
Average humidity
43%
42%
46%
Average rainfall
0.47"
0.28"
0.39"
Average rainfall days
5
4.2
4
Average snowfall
0"
0"
0.35"
Average snowfall days
0
0
0.7
Average daylight
14h 4min
13h 4min
12h 2min
Average sunshine
12h 0min
11h 5min
11h 1min
Average sunshine days
23.5
25.6
24.7
Average UV index
5
5
3
Average cloud cover
8%
8%
10%
Average visibility
6mi
6mi
6mi
Average temperature in August - South Lake Tahoe, CA
Average temperature in August
South Lake Tahoe, CA
  • Average high temperature in August: 73°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 August: 46.2°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).

Average pressure in August - South Lake Tahoe, CA
Average pressure in August
South Lake Tahoe, CA
  • Average pressure in August: 29.93"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).

Average wind speed in August - South Lake Tahoe, CA
Average wind speed in August
South Lake Tahoe, CA
  • Average wind speed in August: 5.3mph

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).

Average humidity in August - South Lake Tahoe, CA
Average humidity in August
South Lake Tahoe, CA
  • Average humidity in August: 42%

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

Average rainfall in August - South Lake Tahoe, CA
Average rainfall in August
South Lake Tahoe, CA
  • Average rainfall in August: 0.28"

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

Average rainfall days in August - South Lake Tahoe, CA
Average rainfall days in August
South Lake Tahoe, CA
  • Average rainfall days in August: 4.2 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).

Average snowfall in August - South Lake Tahoe, CA
Average snowfall in August
South Lake Tahoe, CA
  • Average snowfall in August: 0"

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

Average snowfall days in August - South Lake Tahoe, CA
Average snowfall days in August
South Lake Tahoe, CA
  • Average snowfall days in August: 0 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).

Average daylight in August / Average sunshine in August - South Lake Tahoe, CA
Average daylight in August /
Average sunshine in August
South Lake Tahoe, CA
  • Average daylight in August: 13h and 4min

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 August: 11h and 5min

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).

Average sunshine days in August - South Lake Tahoe, CA
Average sunshine days in August
South Lake Tahoe, CA
  • Average sunshine days in August: 25.6 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).

Average UV index in August - South Lake Tahoe, CA
Average UV index in August
South Lake Tahoe, CA
  • Average UV index in August: 5

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).

Average cloud cover in August - South Lake Tahoe, CA
Average cloud cover in August
South Lake Tahoe, CA
  • Average cloud cover in August: 8

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).

Average visibility in August - South Lake Tahoe, CA
Average visibility in August
South Lake Tahoe, CA
  • Average visibility in August: 6mi

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).

°Celsius°Fahrenheit
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