Climate Insights for South Lake Tahoe

The climate in South Lake Tahoe is cool. The average annual temperature is 8°C and approximately 974mm of precipitation falls per year. January is the wettest month, receiving around 172mm of rainfall. South Lake Tahoe is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are February, January, December, when temperatures can drop to -4°C. South Lake Tahoe experiences heavy snowfall, typically from January through December.

Temperatures in South Lake Tahoe vary considerably across the year, with a 32°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 28°C and the mean temperature sits around 20°C. The coldest month is February, when overnight lows fall to -4°C and the daily average is 0°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between May and June, with a 6°C shift in average temperatures.

South Lake Tahoe is a moderately rainy area, receiving approximately 974mm of precipitation annually, which averages out to around 81mm per month. The wettest month is January, averaging 172mm of rainfall. March and December also tend to see above-average precipitation. The driest month is July, with just 11mm. That's 162mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. South Lake Tahoe receives heavy snowfall, accumulating around 669cm annually from January through December. The snowiest month is March, with approximately 147cm. Winter travel should account for significant snow cover.

South Lake Tahoe is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently summer in South Lake Tahoe, which began on June 21, 2026. South Lake Tahoe is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 28°C, while the coldest stretch bottoms out in February near -4°C. Autumn is next, beginning on September 23, 2026 (9 days from now).

The best time to visit South Lake Tahoe is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 18mm per month. By contrast, February can be quite cold with temperatures dropping to -4°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for South Lake Tahoe based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.