Big-Bear-Lake Weather Forecast

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Last Updated: December 7, 2025

Big Bear Lake is a popular resort town located in Southern California's San Bernardino Mountains.


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Summary

The climate in Big Bear Lake is moderate with warm summers and cold winters. The town's primary water source is the titular lake, which is fed by mountain runoff and snowmelt. Due to its high elevation, the lake's water is naturally very cold and clear. This makes it ideal for outdoor recreation activities such as swimming, boating, and fishing. The surrounding mountains also offer plenty of opportunities for hiking, mountain biking, and skiing during the winter months. Overall, Big Bear Lake is a picturesque destination for anyone looking to experience the great outdoors in Southern California.

       

Weather Forecast

Big-Bear-Lake receives approximately 579mm of rain per year, with humidity levels near 75% and air temperatures averaging around 8°C. Big-Bear-Lake has a plant hardyness factor of 7, meaning plants and agriculture in this region tend to thrive during the non-winter months.