2025 Compare Climate & Weather:
Dallas, TX vs Scottsdale, AZ

Highlights

On average, there are 299 sunny days per year in Scottsdale. Dallas averages 234 sunny days per year. The US average is 205 sunny days.

Scottsdale, Arizona gets 10.5 inches of rain, on average, per year. Dallas, Texas gets 39.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Scottsdale averages 0 inches of snow per year. Dallas averages 1.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Scottsdale, Arizona
Summer High: the July high is around 104.3 degrees
Winter Low: the January low is 42.4
Rain: averages 10.5 inches of rain a year
Snow: averages 0 inches of snow a year

Dallas, Texas
Summer High: the July high is around 94.9 degrees
Winter Low: the January low is 35.5
Rain: averages 39.1 inches of rain a year
Snow: averages 1.2 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Scottsdale is 7.3 (10=best), which means it is less comfortable than most places in Arizona.

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

Today's Weather - Dallas, TX

73°F

Today's Weather - Scottsdale, AZ

96°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Dallas / Scottsdale

August is the hottest month for Dallas with an average high temperature of 95.7°, which ranks it as warmer than most places in Texas. In Dallas, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Dallas are October, April and May.

July is the hottest month for Scottsdale with an average high temperature of 104.3°, which ranks it as warmer than most places in Arizona. In Scottsdale, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Scottsdale are March, November and April.

January has the coldest nighttime temperatures for Dallas with an average of 35.5°. This is about average compared to other places in Texas.

December has the coldest nighttime temperatures for Scottsdale with an average of 41.6°. This is warmer than most places in Arizona.

In Dallas, there are 91.2 days annually when the high temperature is over 90°, which is about average compared to other places in Texas.

In Scottsdale, there are 160.2 days annually when the high temperature is over 90°, which is hotter than most places in Arizona.

In Dallas, there are 30.2 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.

In Scottsdale, there are 4.5 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Arizona.

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

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

May is the wettest month in Dallas with 5.0 inches of rain, and the driest month is August with 2.2 inches. The wettest season is Summer with 30% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 39.1 inches in Dallas means that it is wetter than most places in Texas.


August is the wettest month in Scottsdale with 1.3 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 36% of yearly precipitation and 18% occurs in Summer, which is the driest season. The annual rainfall of 10.5 inches in Scottsdale means that it is about average compared to other places in Arizona.

May is the rainiest month in Dallas with 8.9 days of rain, and August is the driest month with only 4.5 rainy days. There are 77.6 rainy days annually in Dallas, 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.

August is the rainiest month in Scottsdale with 5.1 days of rain, and June is the driest month with only 0.5 rainy days. There are 37.7 rainy days annually in Scottsdale, which is less rainy than most places in Arizona. The rainiest season is Spring when it rains 34% of the time and the driest is Summer with only a 19% chance of a rainy day.

An annual snowfall of 1.2 inches in Dallas means that it is snowier than most places in Texas.

There is rarely any recorded snowfall in Scottsdale, ranking it as one of the least snowy places in Arizona.

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

Any measurable snowfall is a rare occurance in Scottsdale.