Big Bear Lake Weather in October
In Big Bear Lake, October brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 1°C (34°F). Minimal rainfall is to be expected.
Rainfall in Big Bear Lake in October
You can expect rain on roughly 3 days based on historical data, averaging 15 mm (0.6 in) for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Big Bear Lake in October
October is a good time to be in Big Bear Lake. Days are perfect, reaching 19°C (66°F), with nights around 1°C (34°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 1°C (34°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If you're a fan of comfortable temperatures and drier conditions, October is a great time to visit.
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 October
Min Temperature
1°C (34°F)
Max Temperature
19°C (66°F)
Chance of Rain
10%
Precipitation
15 mm (0.6 in)
Rainy days
3 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Big Bear Lake typically drop from around 27°C (81°F) at the start of October to approximately 22°C (72°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 12°C (54°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Big Bear Lake in October
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 October
Based on 49 years of weather observations in Big Bear Lake between 1976 and 2025, these are the recorded extremes.
- The lowest overnight temperature recorded in October was -7°C (19°F) (October 19, 2021).
Best Places in the United States of America in October
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 October →
perfect weather
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tolerable
unpleasant
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What to Wear in Big Bear Lake in October
For Big Bear Lake in October, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Almost no rain is expected, so no need to bring rain gear.What To Do in Big Bear Lake in October
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.
