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 April in Los Angeles California, United States. In Los Angeles, the month of April is characterized by gradually rising daily high temperatures, with daily highs increasing by 3Â°F, from 71Â°F to 74Â°F over the course of the month, and rarely exceeding 85Â°F or dropping below 63Â°F.