Big Sur
California, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Big Sur, CA

August, the last month of the summer, in Big Sur, is also a moderately hot month, with temperature in the range of an average low of 50°F (10°C) and an average high of 77.4°F (25.2°C).

Temperature

With an average high-temperature of 77.4°F (25.2°C) and an average low-temperature of 50°F (10°C), August is the warmest month.

Rainfall

In Big Sur, California, in August, it is raining for 0.4 days, with typically 0.1" (1.3mm) of accumulated precipitation. In Big Sur, during the entire year, the rain falls for 66.4 days and collects up to 43.7" (1109.5mm) of precipitation.

Ocean temperature

August through October, with an average ocean temperature of 59°F (15°C), are months with the warmest seawater in Big Sur.
Note: For most, swimming in 59°F (15°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The average length of the day in Big Sur is 13.5h.

Sunshine

In Big Sur, California, the average sunshine in August is 10h.

UV index

In Big Sur, the average daily maximum UV index is 9. A UV Index value of 8 to 10 symbolizes a very high health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 9 transform into the following instructions:
Take extra precautions. Fair-skinned individuals may get burned in less than 10 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the warmest month in Big Sur?

The warmest month in Big Sur, California, is August, with an average high-temperature of 77.4°F (25.2°C) and an average low-temperature of 50°F (10°C).

What is the temperature in August in Big Sur?

In August, in Big Sur, California, the average high-temperature is 77.4°F (25.2°C), and the average low-temperature is 50°F (10°C).

How many days does it rain in August in Big Sur?

In Big Sur, in August, during 0.4 rainfall days, 0.1" (1.3mm) of precipitation is typically accumulated.

When is the ocean warmest in Big Sur?

August through October, with an average ocean temperature of 59°F (15°C), are months with the warmest seawater in Big Sur, California.

What is the ocean temperature in August in Big Sur?

In Big Sur, in August, the average water temperature is 59°F (15°C). Swimming in 59°F (15°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in August in Big Sur?

The average length of the day in August in Big Sur, California, is 13.5h.

How many hours of sunshine does Big Sur have in August?

In Big Sur, the average sunshine in August is 10h.

What is the UV index intensity in August in Big Sur?

In Big Sur, California, the average daily maximum UV index in August is 9. A UV Index estimate of 8 to 10 represents a very high health risk from the exposure to the Sun's UV rays.
Average temperature in August - Big Sur, CA
  • Average high temperature in August: 77.3°F

The warmest month (with the highest average high temperature) is August (77.3°F).
The month with the lowest average high temperature is January (59.7°F).

  • Average low temperature in August: 50°F

The month with the highest average low temperature is July (50.4°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

Average rainfall in August - Big Sur, CA
  • Average rainfall in August: 0.1"

The wettest month (with the highest rainfall) is January (9.1").
The driest month (with the lowest rainfall) is July (0").

Average rainfall days in August - Big Sur, CA
  • Average rainfall days in August: 0.4 days

The month with the highest number of rainy days is February (11.2 days).
The month with the lowest number of rainy days is July (0.3 days).

Average sea temperature in August - Big Sur, CA
  • Average sea temperature in August: 59°F

Best months for swimming (with the highest average sea temperature) are August, September and October (59°F).
Coldest months (with the lowest average sea temperature) are March, April and May (54°F).

Average daylight in August / Average sunshine in August - Big Sur, CA
  • Average daylight in August: 13.5h

The month with the longest days is June (Average daylight: 14.6h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in August: 10h

Months with most sunshine are May and June (Average sunshine: 11h).
The month with least sunshine is December (Average sunshine: 5h).

Average UV index in August - Big Sur, CA
  • Average UV index in August: 9

Months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 2).