May 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
May, the last month of the spring, in Big Bear Lake, is an agreeable month, with average temperature fluctuating between 73°F (22.8°C) and 51.1°F (10.6°C).

Temperature

In May, the average high-temperature marginally rises, from an enjoyable 66.6°F (19.2°C) in April, to a pleasant 73°F (22.8°C). In May, in Big Bear Lake, the average low-temperature is 51.1°F (10.6°C).

Humidity

The average relative humidity in May is 42%.

Rainfall

In Big Bear Lake, during 3.3 rainfall days, 0.55" (14mm) of precipitation is typically 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

January through May, November and December are months with snowfall in Big Bear Lake. May is the last month it regularly snows in Big Bear Lake. During 1 snowfall days, in May, Big Bear Lake aggregates 1.02" (26mm) of snow. Throughout the year, there are 16.1 snowfall days, and 31.22" (793mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h.

Sunshine

In May, the average sunshine in Big Bear Lake is 11.9h.

UV index

In Big Bear Lake, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. 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. 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 May in Big Bear Lake?

In May, in Big Bear Lake, California, the average high-temperature is 73°F (22.8°C), and the average low-temperature is 51.1°F (10.6°C).

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

In Big Bear Lake, the average relative humidity in May is 42%.

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

In May, in Big Bear Lake, California, the rain falls for 3.3 days. Throughout May, 0.55" (14mm) of precipitation is accumulated.

What is the last month it snows in Big Bear Lake?

May is the last month it regularly snows in Big Bear Lake, California. During 1 snowfall days, in May, Big Bear Lake aggregates 1.02" (26mm) of snow.

How many hours of daylight does Big Bear Lake have in May?

The average length of the day in May in Big Bear Lake is 14h.

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

In Big Bear Lake, California, the average sunshine in May is 11.9h.

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

In May, the average daily maximum UV index in Big Bear Lake is 6. A UV Index estimate of 6 to 7 represents a high hazard to health from unprotected exposure to the UV radiation.
Average temperature in May - Big Bear Lake, CA
  • Average high temperature in May: 73°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 May: 51.1°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 May - Big Bear Lake, CA
  • Average pressure in May: 29.87"

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 May - Big Bear Lake, CA
  • Average wind speed in May: 7.8mph

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 May - Big Bear Lake, CA
  • Average humidity in May: 42%

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

Average rainfall in May - Big Bear Lake, CA
  • Average rainfall in May: 0.55"

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 May - Big Bear Lake, CA
  • Average rainfall days in May: 3.3 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 May - Big Bear Lake, CA
  • Average snowfall in May: 1.02"

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 May - Big Bear Lake, CA
  • Average snowfall days in May: 1 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 May / Average sunshine in May - Big Bear Lake, CA
  • Average daylight in May: 14h

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 May: 11.9h

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 May - Big Bear Lake, CA
  • Average sunshine days in May: 25.8 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 May - Big Bear Lake, CA
  • Average UV index in May: 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).

Average cloud cover in May - Big Bear Lake, CA
  • Average cloud cover in May: 10

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 May - Big Bear Lake, CA
  • Average visibility in May: 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).