Big Bear Lake Weather in January
Thinking of visiting Big Bear Lake in January? Expect low temperatures reaching 9°C (48°F) during the day, dropping to -6°C (21°F) at night, and note that quite a bit of snow/rainfall is likely.
Rainfall in Big Bear Lake in January
Looking at the last 30 years, the data shows about 5 days with snow/rain, averaging 92 mm (3.6 in) for the month. When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Big Bear Lake in January
If you're visiting Big Bear Lake in January, expect highs of 9°C (48°F) and overnight lows around -6°C (21°F). January is part of the winter season. It stays cool throughout the day, so warm layers are a good idea from morning to evening. With overnight lows of -6°C (21°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold.January in Big Bear Lake can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Big Bear Lake's climate page.
Big Bear Lake Temperature in January
Min Temperature
-6°C (21°F)
Max Temperature
9°C (48°F)
Chance of Rain
17%
Precipitation
92 mm (3.6 in)
Rainy days
5 days
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Big Bear Lake typically stay consistent throughout January, with daily highs averaging around 9°C (48°F). Nights are cold, with lows around 1°C (34°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Big Bear Lake in January
Browse day-by-day weather records for Big Bear Lake spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Big Bear Lake historical weather extremes in January
The extremes listed below come from historical weather data collected in Big Bear Lake from 1976 through 2025.
- Big Bear Lake experienced its chilliest January day on January 1, 2019, reaching only -4°C (25°F).
- Nighttime temperatures dropped to -20°C (-4°F) on January 13, 2013, marking the coldest January night on record.
- The heaviest January precipitation occurred on January 4, 1995, when 50 mm (2 in) of precipitation fell.
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
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tolerable
unpleasant
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What to Wear in Big Bear Lake in January
Cold weather calls for smart layering in January. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes.What To Do in Big Bear Lake in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Big Bear Lake's climate page.
See the full Big Bear Lake climate overview or explore weather in the United States of America.
