How Can Los Angeles Adapt to Coming Climate Change?: "Scientific" American

Climate change can't alter the blue skies or access to the beach and mountains, but it will pose four tangible threats: The summers will grow hotter, the air will be smoggier, there will be more fires, and there will be much less water
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You can walk around in shorts in February, and in the summer there is rarely humidity or a heat wave.
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Almost everyone in Los Angeles was not born here. Many of us are transplants from cold Northeastern cities.

August 19, 2010: Coldest July For Los Angeles According to NASA GISS……Station Records « Things I Find Interesting

As you can see Los Angeles is about 2.75° C below the average for July of 22.95° C. Matter of fact the graph shows this is the coldest July in the entire instrumental record, just slightly cooler then July 1944. Also notice that there is a basically flat temperature trend for July in Los Angeles. Again you see that big spike in 1959 but you also see another at 1931.