July hottest month on record in U.S.—warming and drought to blame?

Lower 48 sweltered due to widespread heat ridge, expert says

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July was the hottest month on record in the United States, perhaps due to a combination of global warming and a widespread drought, experts say.

The lower 48 U.S. states experienced an average July temperature of 77.6 degrees Fahrenheit (25.3 degrees Celsius).

about 3.3 degrees (1.8 degrees Celsius) above the 20th-century average
and the highest July average since record-keeping began in 1895,
according to a report released August 8 by the U.S. National Oceanic and Atmospheric Administration (NOAA).

2012, July wasn’t an anomaly, either. Taken together, the first seven
months of the year have been, on average, the warmest January-to-July
period on record in the contiguous U.S. states.

Read more at National Geographic.