Weather Forecast and Radar for Rio Rico, Arizona

Weather in Rio Rico, AZ

Rio Rico, Arizona experiences a desert climate, with hot and dry summers and mild winters. The average temperature year-round is in the mid-seventies Fahrenheit, with January being the coldest month with an average temperature of 56 degrees Fahrenheit. July is the hottest month with an average temperature of 94 degrees Fahrenheit.

In the summer, temperatures can often reach 100 degrees Fahrenheit or higher, with occasional bouts of monsoonal thunderstorms in July and August. The monsoonal storms bring high humidity and occasional heavy rains, which help to cool off the area.

In the winter, temperatures can drop to the mid-thirties Fahrenheit at night, although average temperatures are in the low sixties Fahrenheit. Snowfall is extremely rare in Rio Rico, but temperatures can drop below freezing for a few days at a time.

Rainfall is sporadic throughout the year, with the most rainfall occurring from July to September. Average annual precipitation is only about 12 inches, making Rio Rico one of the driest places in the United States.

Fast Facts About Rio Rico, AZ

As of 2020, the city population is 19948.

Major Cities Nearby Rio Rico, AZ

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Rio Rico, Arizona.