Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Big Bear Lake's transition from December to January introduces an average high-temperature of a still cool 54.5°F (12.5°C), marking an insignificant variation from the 52.5°F (11.4°C). In Big Bear Lake, January's nights observe an average temperature dip to a cold 38.8°F (3.8°C).Humidity
In January, the average relative humidity is 48%.Rainfall
In Big Bear Lake, during January, the rain falls for 3.9 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, in Big Bear Lake, there are 41.6 rainfall days, and 7.8" (198mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In Big Bear Lake, during January, snow falls for 2.2 days and regularly aggregates up to 2.28" (58mm) of snow. In Big Bear Lake, during the entire year, snow falls for 16.1 days and aggregates up to 31.22" (793mm) of snow.Daylight
The average length of the day in January is 10h and 11min.On the first day of the month, sunrise is at 6:53 am and sunset at 4:48 pm. On the last day of January, in Big Bear Lake, sunrise is at 6:45 am and sunset at 5:16 pm PST.
Sunshine
In January, the average sunshine 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 of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 3 in January, converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in January?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January in Big Bear Lake?
What time are sunrise and sunset in January?
How many hours of sunshine does Big Bear Lake have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
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"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).
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").
The 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).
The 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: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 7h and 0min
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).
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
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).
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).
The 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
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).
Big Bear Lake, California, USA
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