It's hot out there! But historically speaking, when does the hottest day typically occur where you live?
Most locations in the United States experience the highest temperatures in late July, according to a 30-year average of daily mean temperatures.
However, that is not true everywhere. People living near the California coast hit their highs in September. San Francisco is one of the latest cities in the country, peaking on Oct. 2. This is mainly because marine fog keeps the coastline from getting warm earlier in the season.
On the other hand, parts of the Desert Southwest max out early, in late June, with the earliest peak in a small slice of land around Terlingua, Texas, where temperatures peak on June 11.
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