May weather forecast
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

Weather in May

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

Temperature

In May, the average high-temperature slightly increases from a comfortable 66.6°F (19.2°C) in April to a pleasant 73°F (22.8°C). The average low-temperature, in May, is 51.1°F (10.6°C).

Humidity

The average relative humidity in May in Big Bear Lake is 42%.

Rainfall

In Big Bear Lake, in May, it is raining for 3.3 days, with typically 0.55" (14mm) of accumulated precipitation. 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

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

In May, the average length of the day is 13h and 58min.
On the first day of the month, sunrise is at 5:57 am and sunset at 7:31 pm. On the last day of May, in Big Bear Lake, California, sunrise is at 5:36 am and sunset at 7:53 pm PDT.

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 of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In May, the average maximum UV index of 6 translate into the following recommendations:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

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

The average relative humidity in May in Big Bear Lake, California, is 42%.

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

In Big Bear Lake, in May, it is raining for 3.3 days, with typically 0.55" (14mm) of accumulated precipitation.

What is the last month it snows 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.

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

In Big Bear Lake, the average day length in May is 13h and 58min.

What time are sunrise and sunset in May in Big Bear Lake?

On the first day of May in Big Bear Lake, California, sunrise is at 5:57 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 7:53 pm PDT.

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

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

How high is the UV index in May in Big Bear Lake?

The average daily maximum UV index in May in Big Bear Lake, California, is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Big Bear Lake, CA

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).

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Average pressure in May
Big Bear Lake, CA

Average pressure in May - Big Bear Lake, CA
  • Average pressure in May: 29.87"Hg

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

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Average wind speed in May
Big Bear Lake, CA

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).

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Average humidity in May
Big Bear Lake, CA

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%).

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Average rainfall in May
Big Bear Lake, CA

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").

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Average rainfall days in May
Big Bear Lake, CA

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).

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Average snowfall in May
Big Bear Lake, CA

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

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

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Average snowfall days in May
Big Bear Lake, CA

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).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Big Bear Lake, CA

Average daylight in May / Average sunshine in May - Big Bear Lake, CA
  • Average daylight in May: 13h and 58min

The month with the longest days is June (Average daylight: 14h and 25min).
The month with the shortest days is December (Average daylight: 9h and 55min).

  • Average sunshine in May: 11h and 54min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

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Average sunshine days in May
Big Bear Lake, CA

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).

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Average UV index in May
Big Bear Lake, CA

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

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

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Average cloud cover in May
Big Bear Lake, CA

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).
The months with the least cloud cover are June, August and September (Cloud cover 6).

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Average visibility in May
Big Bear Lake, CA

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

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

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