January weather forecast and climate
Big Bear Lake, CA

Big Bear Lake, California, with close rocks amid trees, and mountains in the distance
Big Bear Lake, California, with close rocks amid trees, and mountains in the distance
January, like December, in Big Bear Lake, California, is a cool winter month, with average temperature ranging between max 54.5°F (12.5°C) and min 38.8°F (3.8°C).

Temperature

In January, the average high-temperature is almost the same as in December - a still cool 54.5°F (12.5°C). In January, in Big Bear Lake, California, the average low-temperature is 38.8°F (3.8°C).

Humidity

The average relative humidity is 48%.

Rainfall

In January, the rain falls for 3.9 days. Throughout January, 0.63" (16mm) of precipitation is accumulated. In Big Bear Lake, California, during the entire year, the rain falls for 41.6 days and collects up to 7.8" (198mm) of precipitation.

Snowfall

Months with snowfall in Big Bear Lake are January through May, November and December. In January, it is snowing for 2.2 days. Throughout January, 2.28" (58mm) of snow is accumulated. Throughout the year, in Big Bear Lake, there are 16.1 snowfall days, and 31.22" (793mm) of snow is accumulated.

Daylight

In January, the average length of the day is 10.2h.

Sunshine

The average sunshine in Big Bear Lake is 7h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in January in Big Bear Lake?

In January, in Big Bear Lake, the average high-temperature is 54.5°F (12.5°C), and the average low-temperature is 38.8°F (3.8°C).

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

The average relative humidity in January in Big Bear Lake is 48%.

How many days does it rain in January in Big Bear Lake?

In January, in Big Bear Lake, California, the rain falls for 3.9 days. Throughout January, 0.63" (16mm) of precipitation is accumulated.

How many days does it snow in January in Big Bear Lake?

In Big Bear Lake, during January, snow falls for 2.2 days and regularly aggregates up to 2.28" (58mm) of snow.

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

In January, the average length of the day in Big Bear Lake, California, is 10.2h.

How many hours of sunshine does Big Bear Lake have in January?

In January, the average sunshine is 7h.

When is the lowest UV index in Big Bear Lake?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Big Bear Lake.

What is the UV index intensity in January in Big Bear Lake?

In Big Bear Lake, California, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.
Average temperature in January - Big Bear Lake, CA
  • Average high temperature in January: 54.5°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 January: 38.8°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 pressure in January - Big Bear Lake, CA
  • Average pressure in January: 30.1"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.82").

Average wind speed in January - Big Bear Lake, CA
  • Average wind speed in January: 6mph

The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is September (5.6mph).

Average humidity in January - Big Bear Lake, CA
  • Average humidity in January: 48%

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

Average rainfall in January - Big Bear Lake, CA
  • Average rainfall in January: 0.63"

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

Average rainfall days in January - Big Bear Lake, CA
  • Average rainfall days in January: 3.9 days

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

Average snowfall in January - Big Bear Lake, CA
  • Average snowfall in January: 2.28"

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

Average snowfall days in January - Big Bear Lake, CA
  • Average snowfall days in January: 2.2 days

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

Average daylight in January / Average sunshine in January - Big Bear Lake, CA
  • Average daylight in January: 10.2h

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

  • Average sunshine in January: 7h

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

Average sunshine days in January - Big Bear Lake, CA
  • Average sunshine days in January: 25 days

The month with the most sunshine days is June (28.1 days).
The month with the least sunshine days is February (22.2 days).

Average UV index in January - Big Bear Lake, CA
  • Average UV index in January: 3

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).

Average cloud cover in January - Big Bear Lake, CA
  • Average cloud cover in January: 19

The month with the most cloud cover is December (Cloud cover 21).
Months with the least cloud cover are June, August and September (Cloud cover 6).

Average visibility in January - Big Bear Lake, CA
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).