San Bernardino County (Big Bear Lake)
January
Weather in San Bernardino County, California for January 2027
Your guide to San Bernardino County weather in January - trends and predictions
With an average of 2 snowy days, San Bernardino County usually enjoys a light touch of snow in January.
With an average of 2 rainy days, San Bernardino County experiences minimal rainfall in January.
Is January a good time to visit San Bernardino County? check out the best time to travel to San Bernardino County page.
✨ Is January a good time to visit San Bernardino County? – Ask the AI Weatherman
Snow Forecast ❄️
Rain 🌧️
More
27
Dry days
2
Rainy days
2
Snow days
7°/2°
Temperatures
14 km/h
Avg max wind
46 %
Avg humidity
San Bernardino County Weather January
Move between months or click on a day
Temperatures trend during January in San Bernardino County
See the weather trend as well as the moving average line
January weather in San Bernardino County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Jan. 1 |  Heavy rain | 11° /6° | 98.9 mm | 0 cm | |
| Jan. 2 |  Patchy rain possible | 11° /6° | 1.7 mm | 0 cm | |
| Jan. 3 |  Overcast | 9° /4° | 0 mm | 0 cm | |
| Jan. 4 |  Moderate snow | 6° /2° | 15.8 mm | 8.5 cm | |
| Jan. 5 |  Heavy snow | 6° /1° | 14.7 mm | 10.6 cm | |
| Jan. 6 |  Sunny | 9° /3° | 0 mm | 0 cm | |
| Jan. 7 |  Light snow | 5° /-1° | 2.2 mm | 1.6 cm | |
| Jan. 8 | Light snow | 1° /-4° | 1.9 mm | 0.9 cm | |
| Jan. 9 | Sunny | 4° /-2° | 0 mm | 0 cm | |
| Jan. 10 | Sunny | 6° /-1° | 0 mm | 0 cm | |
| Jan. 11 | Sunny | 7° /1° | 0 mm | 0 cm | |
| Jan. 12 | Sunny | 4° /-2° | 0 mm | 0 cm | |
| Jan. 13 | Sunny | 6° /0° | 0 mm | 0 cm | |
| Jan. 14 | Sunny | 7° /3° | 0 mm | 0 cm | |
| Jan. 15 | Sunny | 8° /3° | 0 mm | 0 cm | |
| Jan. 16 | Sunny | 12° /6° | 0 mm | 0 cm | |
| Jan. 17 | Sunny | 8° /4° | 0 mm | 0 cm | |
| Jan. 18 | Sunny | 12° /5° | 0 mm | 0 cm | |
| Jan. 19 | Sunny | 12° /6° | 0 mm | 0 cm | |
| Jan. 20 | Sunny | 9° /3° | 0 mm | 0 cm | |
| Jan. 21 |  Partly cloudy | 9° /2° | 0 mm | 0 cm | |
| Jan. 22 |  Cloudy | 10° /4° | 0 mm | 0 cm | |
| Jan. 23 | Heavy snow | 4° /1° | 30.4 mm | 19.8 cm | |
| Jan. 24 | Sunny | 8° /2° | 0 mm | 0 cm | |
| Jan. 25 | Overcast | 6° /0° | 0 mm | 0 cm | |
| Jan. 26 |  Mist | 4° /1° | 0 mm | 0 cm | |
| Jan. 27 |  Moderate or heavy snow with thunder | 6° /2° | 8.1 mm | 4.6 cm | |
| Jan. 28 | Sunny | 7° /2° | 0 mm | 0 cm | |
| Jan. 29 | Partly cloudy | 7° /0° | 0 mm | 0 cm | |
| Jan. 30 | Sunny | 12° /3° | 0 mm | 0 cm | |
| Jan. 31 | Cloudy | 13° /6° | 0 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for San Bernardino County in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Bernardino County forecast closer to your planned date for the most up-to-date weather information.
Change Month
San Bernardino County in January - FAQ
What are the expected maximum and minimum temperatures in San Bernardino County during January?
Prepare for cooler days with highs just around 7° and colder nights, dipping below 2°.
How much rainfall should be expected in San Bernardino County during January?
Significant rainfall exceeding 173.7 mm is expected in San Bernardino County during January, occurring over more than 2 days. Preparing for wet conditions is recommended in your planning.
Will it snow in San Bernardino County in January 2027?
San Bernardino County experiences an average snowfall of 37.6 cm during January, occurring over 2 days.
What are the typical wind conditions in San Bernardino County during January?
The average wind speed in San Bernardino County during January is 14 km/h, suggesting breezy to windy conditions, depending on your activities.
San Bernardino County snow forecast January 2027
Track daily snowfall levels and discover San Bernardino County’s snowy potential this January ❄️
On average, San Bernardino County sees 2 snowy days during January, with approximately 37.6 cm of total snowfall.
January rainfall patterns in San Bernardino County
Explore the daily rainfall trends and prepare for San Bernardino Countys January weather 💧
Typically, San Bernardino County has 2 rainy days in January with a total of 173.7 mm of rainfall.
Top locations in San Bernardino County
Select a location for an accurate weather forecast
More Locations Quick links
More San Bernardino County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.