Is the water at Lake Tahoe cold?

Lake Tahoe surface water temperatures are cold for most swimmers, and vary throughout the year from 42 °F in the winter to over 70 °F during the summer. Though refreshing on a hot day, a plunge into Lake Tahoe can literally take your breath away. Swimmers should be prepared for dangerously cold conditions.



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Cold Water – Defined as water that is 70 degrees and below. Tahoe water temps range from 40 degrees in winter to 70 degrees in summer. Lake Tahoe water is always cold!

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Here's an oft-asked question: Can you swim in Lake Tahoe? The answer is yes, especially if cool/cold water is your thing! And, if you look at all the water sports outfitters and popular beaches in the area, it's clear that it's absolutely a preferred thing to do in Tahoe for a lot of people.

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Go for a swim in the lake Be warned, though: the lake remains quite cold, even in the summer months. You'll find it a little warmer near the shoreline (pee jokes end here), so stick to paddling if you're not used to swimming in the big wide open.

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Portions of the lake have interesting gyres, coupled with upwelling that can toss a swimmer around. Lake Tahoe is not a simple lake. Do not dismiss her as such. You can expect to swim in the dark and hopefully in sunny weather as well!

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The water is 99.994% pure, making it one of the purest large lakes in the world. For comparison, commercially distilled water is 99.998% pure. Tahoe contains roughly 60 parts per million of dissolved matter.

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The high elevation of the lake makes physical exertion more difficult also. Swimming in the morning hours with a wet suit is recommended if you plan on that long of a swim away from shore.

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Tahoe peaks at around 70 degrees in the summer, hardly a tropical affair. “It's a little colder, too cold for a lot of people unless you're wearing a wetsuit,” says Amy Hagen, co-owner of Reno's Adventure Scuba, where snorkelers often shop for gear. “You really need a wetsuit.”

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The water temperature at Lake Tahoe is currently 67 degrees, which is considered cold water. Cold water can quickly lead to cold water shock, swim failure, and hypothermia, which can be deadly. “We have already responded to several water rescues this summer,” said NLTFPD Fire Chief Ryan Sommers.

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Lake Tahoe is one of the most pure bodies of water in the world with 99.994% of the water pure. Commercially distilled water is 99.998% pure.) If you took all of the water out of Lake Tahoe and poured it onto an area the size of California, the water would still be 14 inches deep.

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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.

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Lake Tahoe's alpine waters are the clearest in decades. Here's why. It's never been a better time to plan a trip to Lake Tahoe. The gorgeous crystalline waters in North America's largest alpine lake are the clearest they've been since the 1980s, according to a new study - but the effect may only last a couple of years.

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The surface water ranges from 40 degrees in winter to about 70 in summer. With that being said, July on average has the warmest waters. This is followed by August and September where they fluctuate between 65-70 degrees.

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Lake Tahoe, California/Nevada The water of this long-existent lake is the cleanest in North America, making it one of the cleanest lakes in the United States.

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The water in Lake Tahoe is of excellent quality, and our community treatment plants are designed to remove or inactivate microorganisms, meeting exacting standards .

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Why is the Lake so blue? Tahoe's clean air and water are the keys to the Lake's dazzling blue color. The surface of Lake Tahoe is blue in part because it's reflecting the sky, but there is more to this phenomenon. Water as crystal clear as Tahoe's absorbs red light, leaving the rich blue color that we all see.

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In general, with the exception of the Como area, swimming is possible in most of the lake. But be careful, because swimming in Lake Como is not without risk, mainly for two reasons: the water temperature is generally lower than that of the sea, and if you dive when it is very hot outside, your body may suffer.

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