Rattlesnakes are ready to find safe places to spend the cold winter months. Anza Valley Outlook/Diane Sieker photo
Southern California's rattlesnake season is roughly March or April through October. There is no clear end date for rattlesnake season, but according to the California Department of Fish and Wildlife, most snake interactions occur between April and October when people are most likely to be outdoors.Rattlesnakes do not hibernate during winter months. However, they become much less active while in a state known as brumation.Rattlesnakes generally enter brumation when the temperature is consistently under 60° Fahrenheit or 15° Celsius. In warmer climates like Phoenix or Los Angeles, rattlesnakes might stay active all year round, according to Critter Control, a wildlife relocation service that operates in the US and Canada.During brumation, rattlesnakes lower their metabolic rates
