Big Sur Weather in August
Big Sur in August averages 23°C (73°F) during the day and 14°C (57°F) at night. This is the driest month of the year, and part of the summer season.
Rainfall in Big Sur in August
Expect the least amount of rain this month, providing an excellent opportunity for outdoor activities. Enjoy the clearest skies and driest conditions of the year. You can expect rain on roughly 0 days based on historical data, averaging 0 mm (0 in) for the month.
Temperature in Big Sur in August
August tends to be one of the perfect months in Big Sur, with 23°C (73°F) in the afternoon and 14°C (57°F) overnight. The summer season is characteristic of August. This kind of day-to-night contrast is typical for this time of year. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Big Sur.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Big Sur's climate page.
Big Sur Temperature in August
Min Temperature
14°C (57°F)
Max Temperature
23°C (73°F)
Chance of Rain
0%
Precipitation
0 mm (0 in)
Rainy days
0 days
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Big Sur typically stay consistent throughout August, with daily highs averaging around 23°C (73°F). Nights are cool, with lows around 13°C (55°F).
Average temperatures in August
Historical weather for Big Sur in August
Browse day-by-day weather records for Big Sur spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Big Sur historical weather extremes in August
According to our 26 years of weather records for Big Sur, the following extremes were recorded between 1999 and 2025.
- The hottest August day on record in Big Sur reached 34°C (93°F) (August 14, 2020).
- The lowest daytime temperature in August was 15°C (59°F), recorded on August 23, 2002.
- Nighttime temperatures dropped to 9°C (48°F) on August 27, 2012, marking the coldest August night on record.
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
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What to Wear in Big Sur in August
Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well.What To Do in Big Sur in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Big Sur's climate page.
See the full Big Sur climate overview or explore weather in the United States of America.
