South Lake Tahoe weather in August
August in South Lake Tahoe: warm, dry, with clean air — an excellent time to visit.
#4 of 12 months in South Lake Tahoe · #126 of 604 destinations to visit in August · comfort 88/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
South Lake Tahoe climate normals — August
| Daytime high | 28°C / 82°F | 🌤 warm |
|---|---|---|
| Nighttime low | 16°C / 60°F | |
| Feels like (high) | 26°C / 79°F | |
| Rainfall | 19 mm / 0.7 in | ☀️ dry |
| Rainy days | 5 days | |
| Humidity | 47% | 🍃 comfortable |
| Dew point | 7°C / 45°F | |
| Sunshine | 12.4 h/day | |
| Daylight | 13.6 h | |
| Wind | 13 km/h / 8 mph | |
| Air quality (US AQI) | 50 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is South Lake Tahoe?
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South Lake Tahoe in August — FAQ
- Is August a good time to visit South Lake Tahoe?
- August in South Lake Tahoe: warm, dry, with clean air — an excellent time to visit. It ranks #4 of 12 months for South Lake Tahoe on SeasonMap's comfort score (88/100).
- What is the weather like in South Lake Tahoe in August?
- In August, South Lake Tahoe averages a daily high of 27.6°C and a low of 15.8°C, with about 18.7 mm of rain over roughly 5.4 rainy days.
- What is the air quality in South Lake Tahoe in August?
- South Lake Tahoe has a mean US Air Quality Index of about 50 in August.