2025 Compare Climate & Weather:
Oro Valley, AZ vs Reno, NV

Highlights

On average, there are 252 sunny days per year in Reno. Oro Valley averages 279 sunny days per year. The US average is 205 sunny days.

Reno, Nevada gets 8.9 inches of rain, on average, per year. Oro Valley, Arizona gets 13.5 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Reno averages 21.9 inches of snow per year. Oro Valley averages 0.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Reno, Nevada
Summer High: the July high is around 90.6 degrees
Winter Low: the January low is 23.7
Rain: averages 8.9 inches of rain a year
Snow: averages 21.9 inches of snow a year

Oro Valley, Arizona
Summer High: the July high is around 100.2 degrees
Winter Low: the January low is 36.9
Rain: averages 13.5 inches of rain a year
Snow: averages 0.3 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Reno is 7.5 (10=best), which means it is more comfortable than most places in Nevada.

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.

Today's Weather - Oro Valley, AZ

73°F

Today's Weather - Reno, NV

58°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Oro Valley / Reno

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.

July is the hottest month for Reno with an average high temperature of 90.6°, which ranks it as cooler than most places in Nevada. In Reno, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Reno are September, June and May.

December has the coldest nighttime temperatures for Oro Valley with an average of 35.8°. This is warmer than most places in Arizona.

December has the coldest nighttime temperatures for Reno with an average of 23.6°. This is warmer than most places in Nevada.

In Oro Valley, there are 147.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In Reno, there are 41.8 days annually when the high temperature is over 90°, which is cooler than most places in Nevada.

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 Reno, there are 130.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Nevada.

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.

In Reno, there are 0.9 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Nevada.

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.


December is the wettest month in Reno with 1.3 inches of rain, and the driest month is July with 0.2 inches. The wettest season is Spring with 42% of yearly precipitation and 11% occurs in Autumn, which is the driest season. The annual rainfall of 8.9 inches in Reno means that it is about average compared to other places in Nevada.

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.

February is the rainiest month in Reno with 6.9 days of rain, and July is the driest month with only 1.8 rainy days. There are 51.2 rainy days annually in Reno, which is rainier than most places in Nevada. The rainiest season is Spring when it rains 39% of the time and the driest is Autumn with only a 13% 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.

An annual snowfall of 21.9 inches in Reno means that it is snowier than most places in Nevada.

December is the snowiest month in Oro Valley with 0.1 inches of snow, and no months of the year have significant snowfall.

December is the snowiest month in Reno with 6.0 inches of snow, and 6 months of the year have significant snowfall.