Yreka, California, located in Siskiyou County, is a charming city with a population of approximately 7,600 people. The climate in Yreka is classified as Mediterranean, characterized by hot, dry summers and cool, wet winters. Summers can reach temperatures above 90°F (32°C), while winters often see temperatures dropping below freezing.

The hydrology constituents in Yreka are primarily influenced by the Shasta River and the Klamath River, both of which offer ample opportunities for fishing, boating, and kayaking. Yreka is also surrounded by scenic lakes and reservoirs, including Lake Shastina and Iron Gate Reservoir, where visitors can enjoy water sports and recreational activities.

Outdoor enthusiasts will find a plethora of activities in Yreka. The nearby Klamath National Forest provides opportunities for hiking, camping, and wildlife viewing. The Marble Mountain Wilderness, a part of the forest, offers beautiful landscapes, pristine lakes, and challenging trails for backpacking and horseback riding. Additionally, the Mount Ashland Ski Area, located just a short drive away, provides skiing and snowboarding opportunities during the winter months.

Overall, Yreka's climate, hydrology constituents, and diverse outdoor recreation opportunities make it an attractive destination for nature lovers and those seeking a moderate climate to explore year-round.