2025 Compare Climate & Weather:
Tucson, AZ vs Richardson, TX

Highlights

On average, there are 230 sunny days per year in Richardson. Tucson averages 286 sunny days per year. The US average is 205 sunny days.

Richardson, Texas gets 40.3 inches of rain, on average, per year. Tucson, Arizona gets 12.3 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Richardson averages 1.3 inches of snow per year. Tucson averages 0.4 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Richardson, Texas
Summer High: the July high is around 94.7 degrees
Winter Low: the January low is 34.4
Rain: averages 40.3 inches of rain a year
Snow: averages 1.3 inches of snow a year

Tucson, Arizona
Summer High: the July high is around 100.2 degrees
Winter Low: the January low is 38.7
Rain: averages 12.3 inches of rain a year
Snow: averages 0.4 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Richardson is 7.1 (10=best), which means it is about average compared to other places in Texas.

The annual BestPlaces Comfort Index for Tucson is 7.5 (10=best), which means it is about average compared to other places in Arizona.

Today's Weather - Tucson, AZ

67°F

Today's Weather - Richardson, TX

65°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Tucson / Richardson

June is the hottest month for Tucson with an average high temperature of 100.5°, which ranks it as warmer than most places in Arizona. In Tucson, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Tucson are March, November and April.

August is the hottest month for Richardson with an average high temperature of 95.6°, which ranks it as about average compared to other places in Texas. In Richardson, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Richardson are October, April and May.

December has the coldest nighttime temperatures for Tucson with an average of 38.0°. This is warmer than most places in Arizona.

January has the coldest nighttime temperatures for Richardson with an average of 34.4°. This is colder than most places in Texas.

In Tucson, there are 149.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In Richardson, there are 86.3 days annually when the high temperature is over 90°, which is cooler than most places in Texas.

In Tucson, there are 17.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

In Richardson, there are 35.4 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.

In Tucson, 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 Richardson, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Texas.

August is the wettest month in Tucson with 2.4 inches of rain, and the driest month is May with 0.2 inches. The wettest season is Autumn with 40% of yearly precipitation and 11% occurs in Summer, which is the driest season. The annual rainfall of 12.3 inches in Tucson means that it is about average compared to other places in Arizona.


May is the wettest month in Richardson with 5.3 inches of rain, and the driest month is August with 2.0 inches. The wettest season is Summer with 31% of yearly precipitation and 21% occurs in Autumn, which is the driest season. The annual rainfall of 40.3 inches in Richardson means that it is wetter than most places in Texas.

August is the rainiest month in Tucson with 9.5 days of rain, and June is the driest month with only 1.4 rainy days. There are 51.5 rainy days annually in Tucson, which is about average compared to other places in Arizona. The rainiest season is Autumn when it rains 38% of the time and the driest is Summer with only a 15% chance of a rainy day.

May is the rainiest month in Richardson with 8.6 days of rain, and July is the driest month with only 4.7 rainy days. There are 79.9 rainy days annually in Richardson, which is rainier than most places in Texas. The rainiest season is Summer when it rains 29% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 0.4 inches in Tucson means that it is about average compared to other places in Arizona.

An annual snowfall of 1.3 inches in Richardson means that it is snowier than most places in Texas.

January is the snowiest month in Tucson with 0.2 inches of snow, and no months of the year have significant snowfall.

February is the snowiest month in Richardson with 0.4 inches of snow, and no months of the year have significant snowfall.