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 temperatures only dip below 60 in December and January. The temperature downtown is usually higher than at the beaches and lower than in the valleys of LA. Downtown Los Angeles enjoys 186 clear days, 105.8 partly cloudy and 73.5 cloudy days each year. It experiences an annual average of 35 days of wet weather.