Oro Valley, AZ Climate


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United States / Arizona / Tucson Metro Area / Pima County / Oro Valley / Zip Codes
Oro Valley, AZ has a semi-arid climate with hot summers and mild winters. During the summer months, temperatures typically range from the mid 80s to the upper 90s with occasional heatwaves pushing temperatures even higher. Winters are mild with daily highs in the 60s and lows in the 40s. Overall, Oro Valley experiences around 300 sunny days out of the year making it ideal for outdoor recreation all year long.

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

Oro Valley averages 0 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 279 sunny days per year in Oro Valley. The US average is 205 sunny days.

Oro Valley gets some kind of precipitation, on average, 51 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 37
Rain: averages 14 inches of rain a year
Snow: averages 0 inches of snow a year

Bestplaces Comfort Index

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

5.2 Summer - 8.3 Winter
April, October and March are the most pleasant months in Oro Valley, while July and August are the least comfortable months.

  ClimateOro Valley, ArizonaUnited States
  13.5 in.38.1 in.
  0.3 in.27.8 in.
  51.0 days106.2 days
  279 days205 days
  100.2°85.8°
  36.9°21.7°
  7.67
  6.54.3
  2543 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 Oro Valley with an average high temperature of 100.5°, which ranks it as warmer than most places in Arizona. In Oro Valley, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oro Valley are November, March and April.
In Oro Valley, there are 147.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.
December has the coldest nighttime temperatures for Oro Valley with an average of 35.8°. This is warmer than most places in Arizona.
In Oro Valley, there are 30.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.
In Oro Valley, 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 Oro Valley 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 Oro Valley with 2.6 inches of rain, and the driest month is May with 0.3 inches. The wettest season is Autumn with 38% of yearly precipitation and 13% occurs in Summer, which is the driest season. The annual rainfall of 13.5 inches in Oro Valley means that it is wetter than most places in Arizona.
August is the rainiest month in Oro Valley with 9.5 days of rain, and June is the driest month with only 1.2 rainy days. There are 51.0 rainy days annually in Oro Valley, which is about average compared to other places in Arizona. The rainiest season is Autumn when it rains 37% of the time and the driest is Summer with only a 15% chance of a rainy day.
An annual snowfall of 0.3 inches in Oro Valley means that it is about average compared to other places in Arizona. December is the snowiest month in Oro Valley with 0.1 inches of snow, and no months of the year have significant snowfall.
Reviews for Oro Valley
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Abhd · Tucson, AZ
Oro Valley is so much less than advertised
Over 11 years ago

Some of these reviews are so inaccurate. Rentals for a 2-bedroom are closer to $1000/mo and up if you want to live in a safer neighborhood. People here are so intolerant  More

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John · Tucson, AZ
A dry heat
Over 14 years ago

I have lived here in Oro Valley for 3.8 years -love it here. however lack of cultural diversity, water and the 100+ heat each day for 3 months a year means that i am  More

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John · Middle Island, NY
Oro Valley, AZ - great place to live
Over 14 years ago

I am a retiree from New York. I moved to Tucson two years ago. Now we are about to buy a home in Oro Valley, just north of Tucson. I love this area. The mountains  More

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