The 30 Hottest Cities in America

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20. Abilene, TX
> Avg. number of 90°F+ days:
102
> Record high: 110°F
> Avg. daily high in July: 94.2°F
> Avg. daily high in August: 94.0°F

Abilene is one of only 20 U.S. cities to have an average of more than 100 days with temperatures exceeding 90°F each year. Summer in the city is especially hot. The average high temperature in July and August is about 94°F, 18th highest for any U.S. city in those months.

While the majority of the hottest U.S. cities average 20 days or fewer of freezing temperatures each year, Abilene averages 51 such days, more than in all but six of the hottest cities.

19. Houston, TX
> Avg. number of 90°F+ days:
103
> Record high: 109°F
> Avg. daily high in July: 91.5°F
> Avg. daily high in August: 92.3°F

Houston is not only one of the largest cities in the country, but it is also one of the hottest. The city is one of only 20 where temperatures exceed 90°F on 100 days or more in a given year. Houston is not as dry as many of the hottest cities, however. On average, the city experiences rain on 103 days each year, more than in all but seven of the hottest cities in the United States.

18. Dallas, TX
> Avg. number of 90°F+ days:
103
> Record high: 112°F
> Avg. daily high in July: 95.6°F
> Avg. daily high in August: 96.1°F

Just like Houston, its neighbor 250 miles to the south, there are an average of 103 days where temperatures exceed 90°F in Dallas each year. Temperatures in Dallas varied more than they do in Houston, however. Average highs in July and August are about 4°F higher in Dallas than than in Houston. Additionally, there are an average of 31 days a year where temperatures in Dallas hit freezing compared to only 16 such days in Houston.

17. Redding, CA
> Avg. number of 90°F+ days:
104
> Record high: 118°F
> Avg. daily high in July: 94.9°F
> Avg. daily high in August: 94.1°F

Redding is the 17th hottest city in the country and the third hottest city in California. Unlike Fresno and Bakersfield, the only two California cities hotter than Redding, Redding is located in Northern California, only about 120 miles from the Oregon state line.

On July 20, 1988, temperatures reached 118°F in Redding, the second highest temperature ever recorded in any U.S. city.

16. Midland-Odessa, TX
> Avg. number of 90°F+ days:
106
> Record high: 116°F
> Avg. daily high in July: 94.6°F
> Avg. daily high in August: 93.6°F

Midland-Odessa ranks among the hottest U.S. cities. However, 2015 was hardly its hottest year. Midland’s average temperature of 65.2°F last year trails 13 other years since record keeping began in the city 85 years ago. The hottest day on record in Midland-Odessa was June 27, 1994, when temperatures reached 116°F.

Many of the hottest U.S. cities are relatively dry places, and Midland-Odessa is no exception. On average, there are only about 15 days in a given year where the amount of precipitation exceeds a hundredth of an inch.