Zip 85755 (Oro Valley, AZ) Climate

Oro Valley, AZ is located in the Sonoran Desert in southern Arizona and has a hot, arid climate. Summers are generally very hot with average high temperatures in the upper 90s and low 100s. Winters are mild with average lows in the mid-40s and high temperatures usually staying in the mid-60s. The area gets an average of 11 inches of precipitation throughout the year, mostly concentrated during monsoon season from July to September. Humidity levels tend to remain relatively low due to the dry desert air.

Oro Valley (zip 85755), Arizona gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Oro Valley (zip 85755) averages 0 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 Oro Valley (zip 85755). The US average is 205 sunny days.

Oro Valley (zip 85755) gets some kind of precipitation, on average, 52 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 the 85755 zip code is 7.6 (10=best), which means it is about average compared to other places in Arizona.

5.3 Summer - 8.3 Winter

April, October and March are the most pleasant months in the 85755 zip code, while July and August are the least comfortable months.

Climate	Oro Valley, Arizona	United States
	13.8 in.	38.1 in.
	0.3 in.	27.8 in.
	51.6 days	106.2 days
	284 days	205 days
	100.2°	85.8°
	36.6°	21.7°
	7.6	7
	6.5	4.3
	2682 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 the 85755 zip code with an average high temperature of 100.6°, which ranks it as warmer than most places in Arizona. In the 85755 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 85755 zip code are November, April and March.

In the 85755 zip code, there are 146.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

December has the coldest nighttime temperatures for the 85755 zip code with an average of 35.4°. This is warmer than most places in Arizona.

In the 85755 zip code, there are 33.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Arizona.

In the 85755 zip code, 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 the 85755 zip code 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 the 85755 zip code with 2.7 inches of rain, and the driest month is May with 0.3 inches. The wettest season is Autumn with 38% of yearly precipitation and 12% occurs in Summer, which is the driest season. The annual rainfall of 13.8 inches in the 85755 zip code means that it is wetter than most places in Arizona.

August is the rainiest month in the 85755 zip code with 9.6 days of rain, and June is the driest month with only 1.2 rainy days. There are 51.6 rainy days annually in the 85755 zip code, 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 the 85755 zip code means that it is about average compared to other places in Arizona. December is the snowiest month in the 85755 zip code with 0.1 inches of snow, and no months of the year have significant snowfall.

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