Big Bear Lake
California, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Big Bear Lake, CA

A view of Big Bear Lake, California, the USA with close rocks amid trees and mountains in the distance
A view of Big Bear Lake, California, the USA with close rocks amid trees and mountains in the distance
August, the last month of the summer, in Big Bear Lake, is also a hot month, with average temperature fluctuating between 66.9°F (19.4°C) and 88.5°F (31.4°C).

Temperature

In Big Bear Lake, California, the average high-temperature is relatively the same as in July - a still tropical 88.5°F (31.4°C). In Big Bear Lake, California, in August, the average low-temperature is 66.9°F (19.4°C).

Humidity

August is the least humid month in Big Bear Lake, with an average relative humidity of 29%.

Rainfall

In Big Bear Lake, in August, during 3.7 rainfall days, 0.35" (9mm) of precipitation is typically accumulated. In Big Bear Lake, during the entire year, the rain falls for 41.6 days and collects up to 7.8" (198mm) of precipitation.

Snowfall

In Big Bear Lake snow does not fall in June through October.

Daylight

In August, the average length of the day in Big Bear Lake is 13.4h.

Sunshine

In Big Bear Lake, the average sunshine is 12h.

UV index

The average daily maximum UV index in Big Bear Lake is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 6 in August transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. 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 temperature in August in Big Bear Lake?

The average high-temperature, in August, in Big Bear Lake, California, is 88.5°F (31.4°C), while the average low-temperature is 66.9°F (19.4°C).

What is the least humid month in Big Bear Lake?

The least humid month in Big Bear Lake, California, is August, with an average relative humidity of 29%.

What is the average humidity in August in Big Bear Lake?

In Big Bear Lake, California, the average relative humidity in August is 29%.

How much does it rain in Big Bear Lake in August?

In Big Bear Lake, in August, it is raining for 3.7 days, with typically 0.35" (9mm) of accumulated precipitation.

When it does not snow in Big Bear Lake?

June through October are months without snowfall.

What is the average length of the day in August in Big Bear Lake?

The average length of the day in August in Big Bear Lake is 13.4h.

How long on average sun shines in August in Big Bear Lake?

In Big Bear Lake, the average sunshine in August is 12h.

What is the UV index reading in August in Big Bear Lake?

In August, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in August - Big Bear Lake, CA
  • Average high temperature in August: 88.5°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (52.5°F).

  • Average low temperature in August: 66.9°F

The month with the highest average low temperature is August (66.9°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

Average humidity in August - Big Bear Lake, CA
  • Average humidity in August: 29%

The month with the highest relative humidity is December (52%).
The month with the lowest relative humidity is August (29%).

Average rainfall in August - Big Bear Lake, CA
  • Average rainfall in August: 0.35"

The wettest month (with the highest rainfall) is December (1.26").
The driest month (with the lowest rainfall) is June (0.12").

Average rainfall days in August - Big Bear Lake, CA
  • Average rainfall days in August: 3.7 days

The month with the highest number of rainy days is July (5 days).
The month with the lowest number of rainy days is June (1.4 days).

Average snowfall in August - Big Bear Lake, CA
  • Average snowfall in August: 0"

The month with the highest snowfall is December (6.54").
Months with the lowest snowfall are June, July, August, September and October (0").

Average snowfall days in August - Big Bear Lake, CA
  • Average snowfall days in August: 0 days

The month with the highest number of snowfall days is February (3.9 days).
Months with the lowest number of snowfall days are June, July, August, September and October (0 days).

Average daylight in August / Average sunshine in August - Big Bear Lake, CA
  • Average daylight in August: 13.4h

The month with the longest days is June (Average daylight: 14.4h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in August: 12h

Months with most sunshine are June and July (Average sunshine: 12.1h).
The month with least sunshine is December (Average sunshine: 6.9h).

Average UV index in August - Big Bear Lake, CA
  • Average UV index in August: 6

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).