Rio Rico, AZ Climate


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Rio Rico, AZ is situated in the Sonoran Desert, and as such has a subtropical desert climate. The summers are hot and dry, with temperatures reaching up to 100 degrees Fahrenheit (38 degrees Celsius) during the day and dropping to lows of around 70 degrees Fahrenheit (21 degrees Celsius) at night. The winters are mild, rarely dipping lower than 40 degrees Fahrenheit (4 degrees Celsius). Rainfall is low but consistent, averaging 12 inches (305 mm) per year.

Rio Rico, Arizona gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Rio Rico averages 1 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 284 sunny days per year in Rio Rico. The US average is 205 sunny days.

Rio Rico gets some kind of precipitation, on average, 60 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.


Weather Highlights

Summer High: the July high is around 95 degrees
Winter Low: the January low is 31
Rain: averages 17 inches of rain a year
Snow: averages 1 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Rio Rico is 8.0 (10=best), which means it is one of the most pleasant places in Arizona.

6.8 Summer - 8 Winter
April, October and November are the most pleasant months in Rio Rico, while July and June are the least comfortable months.

  ClimateRio Rico, ArizonaUnited States
  17.3 in.38.1 in.
  0.8 in.27.8 in.
  59.6 days106.2 days
  284 days205 days
  94.5°85.8°
  30.9°21.7°
  87
  6.64.3
  3481 ft.2443 ft.
Climate
YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

June is the hottest month for Rio Rico with an average high temperature of 96.4°, which ranks it as about average compared to other places in Arizona. In Rio Rico, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Rio Rico are April, October and November.
In Rio Rico, there are 105.5 days annually when the high temperature is over 90°, which is about average compared to other places in Arizona.
December has the coldest nighttime temperatures for Rio Rico with an average of 30.5°. This is about average compared to other places in Arizona.
In Rio Rico, there are 68.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Arizona.
In Rio Rico, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Arizona.
Humidity in Rio Rico is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and September.
August is the wettest month in Rio Rico with 4.1 inches of rain, and the driest month is May with 0.3 inches. The wettest season is Autumn with 50% of yearly precipitation and 10% occurs in Summer, which is the driest season. The annual rainfall of 17.3 inches in Rio Rico means that it is wetter than most places in Arizona.
August is the rainiest month in Rio Rico with 12.4 days of rain, and May is the driest month with only 1.6 rainy days. There are 59.6 rainy days annually in Rio Rico, which is rainier than most places in Arizona. The rainiest season is Autumn when it rains 45% of the time and the driest is Summer with only a 12% chance of a rainy day.
An annual snowfall of 0.8 inches in Rio Rico means that it is about average compared to other places in Arizona. December is the snowiest month in Rio Rico with 0.4 inches of snow, and no months of the year have significant snowfall.
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We retired here from Maine about 5 years ago to leave the cold & damp behind. Here it is warm & dry most of the time, little humidity, not many flies, mosquitoes, etc.   More

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