2025 Compare Climate & Weather:
Round Rock, TX vs Troy, MI

Highlights

On average, there are 180 sunny days per year in Troy. Round Rock averages 232 sunny days per year. The US average is 205 sunny days.

Troy, Michigan gets 32.7 inches of rain, on average, per year. Round Rock, Texas gets 36 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Troy averages 32.6 inches of snow per year. Round Rock averages 0.2 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Troy, Michigan
Summer High: the July high is around 83 degrees
Winter Low: the January low is 17.5
Rain: averages 32.7 inches of rain a year
Snow: averages 32.6 inches of snow a year

Round Rock, Texas
Summer High: the July high is around 95 degrees
Winter Low: the January low is 38
Rain: averages 36 inches of rain a year
Snow: averages 0.2 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Troy is 6.9 (10=best), which means it is one of the most pleasant places in Michigan.

The annual BestPlaces Comfort Index for Round Rock is 7.2 (10=best), which means it is more comfortable than most places in Texas.

Today's Weather - Round Rock, TX

62°F

Today's Weather - Troy, MI

48°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Round Rock / Troy

August is the hottest month for Round Rock with an average high temperature of 96.3°, which ranks it as warmer than most places in Texas. In Round Rock, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Round Rock are April, October and March.

July is the hottest month for Troy with an average high temperature of 83.0°, which ranks it as warmer than most places in Michigan. In Troy, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Troy are June, August and September.

January has the coldest nighttime temperatures for Round Rock with an average of 38.0°. This is about average compared to other places in Texas.

January has the coldest nighttime temperatures for Troy with an average of 17.5°. This is warmer than most places in Michigan.

In Round Rock, there are 104.7 days annually when the high temperature is over 90°, which is hotter than most places in Texas.

In Troy, there are 7.1 days annually when the high temperature is over 90°, which is hotter than most places in Michigan.

In Round Rock, there are 22.7 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.

In Troy, there are 132.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Michigan.

In Round Rock, 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 Troy, there are 3.4 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Michigan.

June is the wettest month in Round Rock with 4.6 inches of rain, and the driest month is January with 2.2 inches. The wettest season is Winter with 28% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 36.0 inches in Round Rock means that it is about average compared to other places in Texas.


June is the wettest month in Troy with 3.4 inches of rain, and the driest month is January with 1.8 inches. The wettest season is Autumn with 29% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 32.7 inches in Troy means that it is drier than most places in Michigan.

March is the rainiest month in Round Rock with 8.3 days of rain, and August is the driest month with only 4.4 rainy days. There are 78.4 rainy days annually in Round Rock, 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.

December is the rainiest month in Troy with 11.9 days of rain, and February is the driest month with only 9.2 rainy days. There are 124.8 rainy days annually in Troy, which is less rainy than most places in Michigan. The rainiest season is Spring when it rains 26% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 0.2 inches in Round Rock means that it is about average compared to other places in Texas.

An annual snowfall of 32.6 inches in Troy means that it is one of the least snowy places in Michigan.

February is the snowiest month in Round Rock with 0.1 inches of snow, and no months of the year have significant snowfall.

January is the snowiest month in Troy with 9.9 inches of snow, and 6 months of the year have significant snowfall.