Average Weather in January in Big Bear City California, United States
Daily high temperatures increase by 3°F, from 43°F to 46°F, rarely falling below 34°F or exceeding 56°F.
Daily low temperatures increase by 2°F, from 22°F to 24°F, rarely falling below 15°F or exceeding 32°F.
For reference, on July 25, the hottest day of the year, temperatures in Big Bear City typically range from 54°F to 82°F, while on December 24, the coldest day of the year, they range from 22°F to 43°F.
Average High and Low Temperature in January
The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on January. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.
Average Hourly Temperature in January
Candelario, Spain (5,677 miles away); Altınyayla, Turkey (7,068 miles); and Gümüşhacıköy, Turkey (6,957 miles) are the far-away foreign places with temperatures most similar to Big Bear City (view comparison).
The month of January in Big Bear City experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 40% throughout the month.
The clearest day of the month is January 21, with clear, mostly clear, or partly cloudy conditions 61% of the time.
For reference, on February 21, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 46%, while on September 6, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 89%.
Cloud Cover Categories in January
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Big Bear City, the chance of a wet day over the course of January is essentially constant, remaining around 11% throughout.
For reference, the year's highest daily chance of a wet day is 15% on February 21, and its lowest chance is 1% on June 13.
Over the course of January in Big Bear City, the chance of a day with only rain remains an essentially constant 3% throughout, the chance of a day with mixed snow and rain remains an essentially constant 5% throughout, and the chance of a day with only snow remains an essentially constant 3% throughout.
Probability of Precipitation in January
The average sliding 31-day rainfall during January in Big Bear City is essentially constant, remaining about 0.6 inches throughout, and rarely exceeding 2.0 inches or falling below -0.0 inches.
Average Monthly Rainfall in January
We report snowfall in liquid-equivalent terms. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. As with rainfall, we consider the liquid-equivalent snowfall accumulated over a sliding 31-day period centered around each day.
The average sliding 31-day liquid-equivalent snowfall during January in Big Bear City is essentially constant, remaining about 0.6 inches throughout, and rarely exceeding 2.0 inches or falling to 0.0 inches.
The highest average 31-day liquid-equivalent accumulation is 0.7 inches on January 4.
Average Monthly Liquid-Equivalent Snowfall in January
Over the course of January in Big Bear City, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 35 minutes, implying an average daily increase of 1 minute, 11 seconds, and weekly increase of 8 minutes, 17 seconds.
The shortest day of the month is January 1, with 9 hours, 55 minutes of daylight and the longest day is January 31, with 10 hours, 30 minutes of daylight.
Hours of Daylight and Twilight in January
The latest sunrise of the month in Big Bear City is 6:54 AM on January 8 and the earliest sunrise is 8 minutes earlier at 6:45 AM on January 31.
The earliest sunset is 4:48 PM on January 1 and the latest sunset is 28 minutes later at 5:16 PM on January 31.
Daylight saving time is observed in Big Bear City during 2020, but it neither starts nor ends during January, so the entire month is in standard time.
For reference, on June 20, the longest day of the year, the Sun rises at 5:35 AM and sets 14 hours, 27 minutes later, at 8:02 PM, while on December 21, the shortest day of the year, it rises at 6:49 AM and sets 9 hours, 52 minutes later, at 4:41 PM.
Sunrise & Sunset with Twilight in January
The chance that a given day will be muggy in Big Bear City is essentially constant during January, remaining around 0% throughout.
For reference, on August 14, the muggiest day of the year, there are muggy conditions 0% of the time, while on January 1, the least muggy day of the year, there are muggy conditions 0% of the time.
Humidity Comfort Levels in January
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The average hourly wind speed in Big Bear City is essentially constant during January, remaining within 0.1 miles per hour of 7.2 miles per hour throughout.
For reference, on April 25, the windiest day of the year, the daily average wind speed is 8.9 miles per hour, while on September 8, the calmest day of the year, the daily average wind speed is 6.3 miles per hour.
The lowest daily average wind speed during January is 7.1 miles per hour on January 10.
Average Wind Speed in January
The hourly average wind direction in Big Bear City throughout January is predominantly from the north, with a peak proportion of 44% on January 5.
Wind Direction in January
The growing season in Big Bear City typically lasts for 5.2 months (160 days), from around May 11 to around October 18, rarely starting before April 16 or after June 6, and rarely ending before September 28 or after November 7.
The month of January in Big Bear City is reliably fully outside of the growing season.
Time Spent in Various Temperature Bands and the Growing Season in January
The average accumulated growing degree days in Big Bear City are essentially constant during January, remaining within 2°F of 2°F throughout.
Growing Degree Days in January
The average daily incident shortwave solar energy in Big Bear City is gradually increasing during January, rising by 0.7 kWh, from 3.1 kWh to 3.8 kWh, over the course of the month.
Average Daily Incident Shortwave Solar Energy in January
For the purposes of this report, the geographical coordinates of Big Bear City are 34.261 deg latitude, -116.845 deg longitude, and 6,998 ft elevation.
The topography within 2 miles of Big Bear City contains very significant variations in elevation, with a maximum elevation change of 1,473 feet and an average elevation above sea level of 6,995 feet. Within 10 miles contains very significant variations in elevation (7,493 feet). Within 50 miles also contains extreme variations in elevation (11,483 feet).
The area within 2 miles of Big Bear City is covered by shrubs (60%) and trees (37%), within 10 miles by shrubs (51%) and trees (47%), and within 50 miles by shrubs (81%).
This report illustrates the typical weather in Big Bear City year round, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.
Temperature and Dew Point
There are 5 weather stations near enough to contribute to our estimation of the temperature and dew point in Big Bear City.
For each station, the records are corrected for the elevation difference between that station and Big Bear City according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.
The estimated value at Big Bear City is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Big Bear City and a given station.
The stations contributing to this reconstruction are: San Bernardino International Airport (18%, 40 kilometers, southwest); Palm Springs International Airport (15%, 58 kilometers, southeast); Southern California Logistics Airport (27%, 61 kilometers, northwest); Twenty-Nine Palms, Marine Corps Air-Ground Combat Center (21%, 63 kilometers, east); and Barstow Daggett County Airport (20%, 66 kilometers, north).
Time zones for aiports and weather stations are provided by AskGeo.com .