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

Highlights

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

Tucson, Arizona gets 12.3 inches of rain, on average, per year. Roma, Texas gets 21.2 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Tucson averages 0.4 inches of snow per year. Roma averages 0 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Roma, Texas
Summer High: the July high is around 99 degrees
Winter Low: the January low is 46.4
Rain: averages 21.2 inches of rain a year
Snow: averages 0 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Roma is 6.2 (10=best), which means it is one of the least comfortable places in Texas.

Today's Weather - Roma, TX

77°F

Today's Weather - Tucson, AZ

71°F

Average Monthly High / Low (°F)

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

August is the hottest month for Roma with an average high temperature of 99.7°, which ranks it as one of the hottest places in Texas. In Roma, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Roma are November, March and February.

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.

January has the coldest nighttime temperatures for Roma with an average of 46.4°. This is warmer than most places in Texas.

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

In Roma, there are 170.0 days annually when the high temperature is over 90°, which is one of the hottest 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 Roma, there are 3.8 days annually when the nighttime low temperature falls below freezing, which is warmer 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 Roma, 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 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.

September is the wettest month in Roma with 4.1 inches of rain, and the driest month is March with 0.8 inches. The wettest season is Winter with 34% of yearly precipitation and 14% occurs in Spring, which is the driest season. The annual rainfall of 21.2 inches in Roma means that it is drier than most 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.

September is the rainiest month in Roma with 7.1 days of rain, and March is the driest month with only 4.1 rainy days. There are 60.4 rainy days annually in Roma, which is less rainy than most places in Texas. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 22% chance of a rainy day.

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.

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

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

Any measurable snowfall is a rare occurance in Roma.

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