Rusting of steel also is greater at humidity levels above 50%. If the basement is cooler than outside temperature, and that is virtually certain in the Summer, the relative humidity in the basement will be higher than outside.usting of steel also is greater at humidity levels above 50%. If the basement is cooler than outside temperature, and that is virtually certain in the Summer, the relative humidity in the basement will be higher than outside.
Los Angeles: Annual Weather Averages. July is the hottest month in Los Angeles with an average temperature of 22Â°C (72Â°F) and the coldest is January at 13Â°C (55Â°F) with the most daily sunshine hours at 13 in August. The wettest month is January with an average of 79mm of rain.
Average Weather in Los Angeles California, United States. In Los Angeles, the summers are warm, arid, and clear and the winters are long, cool, wet, and partly cloudy. Over the course of the year, the temperature typically varies from 48Â°F to 85Â°F and is rarely below 42Â°F or above 93Â°F.