2025 Compare Climate & Weather:
McKinney, TX vs Gallatin, TN

Highlights

On average, there are 209 sunny days per year in Gallatin. McKinney averages 229 sunny days per year. The US average is 205 sunny days.

Gallatin, Tennessee gets 52.1 inches of rain, on average, per year. McKinney, Texas gets 41.1 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Gallatin averages 3.1 inches of snow per year. McKinney averages 1.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Gallatin, Tennessee
Summer High: the July high is around 88.6 degrees
Winter Low: the January low is 26
Rain: averages 52.1 inches of rain a year
Snow: averages 3.1 inches of snow a year

McKinney, Texas
Summer High: the July high is around 93.2 degrees
Winter Low: the January low is 32
Rain: averages 41.1 inches of rain a year
Snow: averages 1.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Gallatin is 7.3 (10=best), which means it is about average compared to other places in Tennessee.

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

Today's Weather - McKinney, TX

71°F

Today's Weather - Gallatin, TN

75°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: McKinney / Gallatin

August is the hottest month for McKinney with an average high temperature of 94.4°, which ranks it as cooler than most places in Texas. In McKinney, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for McKinney are October, May and April.

July is the hottest month for Gallatin with an average high temperature of 88.6°, which ranks it as about average compared to other places in Tennessee. In Gallatin, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gallatin are May, September and October.

January has the coldest nighttime temperatures for McKinney with an average of 32.0°. This is colder than most places in Texas.

January has the coldest nighttime temperatures for Gallatin with an average of 26.0°. This is about average compared to other places in Tennessee.

In McKinney, there are 73.7 days annually when the high temperature is over 90°, which is cooler than most places in Texas.

In Gallatin, there are 34.0 days annually when the high temperature is over 90°, which is about average compared to other places in Tennessee.

In McKinney, there are 49.2 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Texas.

In Gallatin, there are 87.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Tennessee.

In McKinney, 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 Gallatin, there are 0.4 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Tennessee.

May is the wettest month in McKinney with 5.6 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 41.1 inches in McKinney means that it is wetter than most places in Texas.


May is the wettest month in Gallatin with 5.8 inches of rain, and the driest month is October with 3.5 inches. The wettest season is Summer with 28% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 52.1 inches in Gallatin means that it is drier than most places in Tennessee.

May is the rainiest month in McKinney with 9.1 days of rain, and August is the driest month with only 4.4 rainy days. There are 79.8 rainy days annually in McKinney, which is rainier than most places in Texas. The rainiest season is Summer when it rains 30% of the time and the driest is Autumn with only a 21% chance of a rainy day.

May is the rainiest month in Gallatin with 11.7 days of rain, and September is the driest month with only 7.4 rainy days. There are 118.4 rainy days annually in Gallatin, which is about average compared to other places in Tennessee. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 21% chance of a rainy day.

An annual snowfall of 1.6 inches in McKinney means that it is snowier than most places in Texas.

An annual snowfall of 3.1 inches in Gallatin means that it is less snowy than most places in Tennessee.

February is the snowiest month in McKinney with 0.6 inches of snow, and 1 month of the year have significant snowfall.

February is the snowiest month in Gallatin with 1.2 inches of snow, and 3 months of the year have significant snowfall.