Los Alamos, California is a small rural town located in Santa Barbara County. It has a Mediterranean climate characterized by mild, wet winters and warm, dry summers. The average temperature ranges from 50°F (10°C) in winter to 80°F (27°C) in summer. The region experiences cool coastal breezes and occasional fog due to its proximity to the Pacific Ocean.

Hydrologically, Los Alamos lies within the Santa Ynez River watershed and is part of the Central Coast Hydrologic Region. The area's water resources primarily come from underground aquifers and surface water from the Santa Ynez River. The groundwater is rich in minerals, and constituents such as calcium and magnesium can be found.

Outdoor enthusiasts can enjoy a variety of recreational activities in and around Los Alamos. The surrounding scenic landscape offers opportunities for hiking, biking, and wildlife viewing. Los Padres National Forest, just a short drive away, provides additional options for camping, fishing, and exploring nature trails. The nearby vineyards and wineries also offer wine tastings, tours, and events for those interested in viticulture. Overall, Los Alamos provides a charming rural atmosphere with ample outdoor recreation possibilities for visitors and residents alike.