Historical weather data, all-time temperature records, and monthly climate averages for South Lake Tahoe, CA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in South Lake Tahoe sits right on the edge of winter's last gasp — historically, highs average just 51° with lows dipping to 25°. The range on this date is wild: a balmy 69° back in 2000, and a brutal 7° as recently as 2023. Snow is essentially off the table today, with only a 16% chance of any precipitation.
South Lake Tahoe is a place of genuine extremes — the thermometer has swung from a scorching 99° in July 1988 all the way down to -29° in February 1989, a 128-degree spread. A single October day in 2021 dumped nearly 5 inches of rain, a reminder that fall storms here can hit hard and fast.
Summer is the sweet spot for most visitors, with late July highs averaging 82° and reliably dry skies. Winter bottoms out around the holidays, when highs struggle to reach 40° and the wettest stretch of the year arrives — also centered on that last week of December. Spring and fall offer mild shoulder seasons in the 50s–60s, though weather can swing sharply in either direction.