<P> Phoenix has a hot desert climate ( Köppen climate classification BWh ) , typical of the Sonoran Desert . Phoenix has long , extremely hot summers and short , mild to warm winters . The city is located within the sunniest region in the world . Measuring 3,872 hours of bright sunshine annually , Phoenix receives the most sunshine of any major city on Earth . Average high temperatures in summer are the hottest of any major city in the United States . On average , there are 107 days annually with a high of at least 100 ° F ( 38 ° C ) including most days from late May through early October . Highs top 110 ° F ( 43 ° C ) an average of 18 days during the year . On June 26 , 1990 , the temperature reached an all - time recorded high of 122 ° F ( 50 ° C ) . Despite the city 's claim to the most extreme heat in summer , however , it does not have the highest average annual temperature in the contiguous United States . In that respect , it comes second to Miami ; Phoenix has an average daily temperature of 75 ° F ( 24 ° C ) , compared to Miami 's 77 ° F ( 25 ° C ) . </P>
<P> Phoenix has a hot desert climate ( Köppen climate classification BWh ) , typical of the Sonoran Desert . Phoenix has long , extremely hot summers and short , mild to warm winters . The city is located within the sunniest region in the world . Measuring 3,872 hours of bright sunshine annually , Phoenix receives the most sunshine of any major city on Earth . Average high temperatures in summer are the hottest of any major city in the United States . On average , there are 107 days annually with a high of at least 100 ° F ( 38 ° C ) including most days from late May through early October . Highs top 110 ° F ( 43 ° C ) an average of 18 days during the year . On June 26 , 1990 , the temperature reached an all - time recorded high of 122 ° F ( 50 ° C ) . Despite the city 's claim to the most extreme heat in summer , however , it does not have the highest average annual temperature in the contiguous United States . In that respect , it comes second to Miami ; Phoenix has an average daily temperature of 75 ° F ( 24 ° C ) , compared to Miami 's 77 ° F ( 25 ° C ) . </P>
where does it get the hottest in the united states
where does it get the hottest in the united states
Phoenix
Phoenix