weather in long beach ca
Average Weather in Long Beach California, United States. Long Beach has a cold semi-arid steppe climate. The temperature typically varies from 48Â°F to 82Â°F over the course of the year, and is rarely below 42Â°F or above 91Â°F. The warm season lasts for 89 days, from June 30 to September 27, with an average daily high temperature above 79Â°F.