Catalina, AZ Climate


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United States / Arizona / Tucson Metro Area / Pima County / Catalina / Zip Codes
The climate in Catalina, AZ is a desert climate with very hot summers and mild winters. The average high temperature in the summer months ranges from 95-97 degrees F while the average low temperature in the winter months ranges from 38-44 degrees F. Precipitation is sparse throughout the year with most of it occurring during the monsoon season between July and August. Generally, Catalina enjoys clear skies, low humidity, and plenty of sunshine year round.

Catalina, Arizona gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 286 sunny days per year in Catalina. The US average is 205 sunny days.

Catalina gets some kind of precipitation, on average, 53 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 100 degrees
Winter Low: the January low is 34
Rain: averages 14 inches of rain a year
Snow: averages 1 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Catalina is 7.6 (10=best), which means it is about average compared to other places in Arizona.

5.7 Summer - 8.2 Winter
April, October and November are the most pleasant months in Catalina, while July and August are the least comfortable months.

  ClimateCatalina, ArizonaUnited States
  14.3 in.38.1 in.
  1.3 in.27.8 in.
  53.4 days106.2 days
  286 days205 days
  99.6°85.8°
  34.3°21.7°
  7.67
  6.54.3
  3159 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 Catalina with an average high temperature of 100.1°, which ranks it as about average compared to other places in Arizona. In Catalina, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Catalina are November, April and March.
In Catalina, there are 140.6 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.
December has the coldest nighttime temperatures for Catalina with an average of 32.8°. This is about average compared to other places in Arizona.
In Catalina, there are 52.9 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Arizona.
In Catalina, 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 Catalina 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 Catalina with 2.8 inches of rain, and the driest month is June with 0.3 inches. The wettest season is Autumn with 41% of yearly precipitation and 13% occurs in Summer, which is the driest season. The annual rainfall of 14.3 inches in Catalina means that it is wetter than most places in Arizona.
August is the rainiest month in Catalina with 9.7 days of rain, and June is the driest month with only 1.8 rainy days. There are 53.4 rainy days annually in Catalina, which is rainier than most places in Arizona. The rainiest season is Autumn when it rains 38% of the time and the driest is Summer with only a 16% chance of a rainy day.
An annual snowfall of 1.3 inches in Catalina means that it is about average compared to other places in Arizona. January is the snowiest month in Catalina with 0.5 inches of snow, and 1 month of the year have significant snowfall.
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John · Tucson, AZ
used to be GREAT
Over 12 years ago

The Catlaina area (Saddlebrook / Oro Valley) was wonderful back in the 1970's and 1980's. As is typical with AZ, Developers ruined the community and problems are a  More

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Deb · Tucson, AZ
Nice Place to Leave
Over 17 years ago

Deeply regret moving here 10 yrs ago. Cost of living is high, over-inflated housing/rental market, traffic is horrible, pay is extremely low. Great place to golf  More

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Ron  · Tucson, AZ
Love S. Az. climate
Over 17 years ago

We live on the north side of the Catalina Mtns. close to Tucson but not so close that we have to endure the smog. Congestion is becoming a part of life out here as  More

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