2025 Compare Climate & Weather:
McKinney, TX vs Marietta, GA

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Highlights

On average, there are 217 sunny days per year in Marietta. McKinney averages 229 sunny days per year. The US average is 205 sunny days.

Marietta, Georgia gets 53 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.

Marietta averages 1.7 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

Marietta, Georgia
Summer High: the July high is around 87.6 degrees
Winter Low: the January low is 30.9
Rain: averages 53 inches of rain a year
Snow: averages 1.7 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

Marietta

The annual BestPlaces Comfort Index for Marietta is 7.6 (10=best), which means it is one of the most pleasant places in Georgia.

7.6 / 10

May, September and October are the most pleasant months in Marietta, while January and July are the least comfortable months.

McKinney

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

7.2 / 10

October, April and May are the most pleasant months in McKinney, while July and August are the least comfortable months.

Average Monthly High / Low (°F)

Month	McKinney, TX	Marietta, GA
January	54° / 32°	52° / 31°
February	58° / 36°	56° / 34°
March	65° / 43°	65° / 40°
April	74° / 52°	72° / 48°
May	81° / 62°	79° / 57°
June	89° / 69°	85° / 65°
July	93° / 72°	88° / 69°
August	94° / 72°	87° / 68°
September	86° / 64°	82° / 61°
October	76° / 53°	72° / 50°
November	65° / 43°	64° / 41°
December	56° / 34°	54° / 33°

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

Month	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0 / 0	17 / 18	7 / 11	0 / 1
February	0 / 0	10 / 12	7 / 10	0 / 0
March	0 / 0	4 / 6	8 / 10	0 / 0
April	0 / 0	1 / 1	7 / 9	0 / 0
May	3 / 1	0 / 0	9 / 9	0 / 0
June	12 / 6	0 / 0	8 / 10	0 / 0
July	23 / 9	0 / 0	5 / 11	0 / 0
August	25 / 8	0 / 0	4 / 10	0 / 0
September	10 / 3	0 / 0	6 / 7	0 / 0
October	1 / 0	0 / 1	7 / 7	0 / 0
November	0 / 0	4 / 5	7 / 8	0 / 0
December	0 / 0	14 / 15	7 / 10	0 / 0

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 Marietta with an average high temperature of 87.6°, which ranks it as one of the coolest places in Georgia. In Marietta, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Marietta 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 Marietta with an average of 30.9°. This is colder than most places in Georgia.

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

In Marietta, there are 27.1 days annually when the high temperature is over 90°, which is one of the coolest places in Georgia.

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 Marietta, there are 58.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Georgia.

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 Marietta, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Georgia.

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.

July is the wettest month in Marietta with 5.4 inches of rain, and the driest month is October with 3.6 inches. The wettest season is Spring with 27% of yearly precipitation and 23% occurs in Winter, which is the driest season. The annual rainfall of 53.0 inches in Marietta means that it is wetter than most places in Georgia.

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.

July is the rainiest month in Marietta with 11.2 days of rain, and October is the driest month with only 7.1 rainy days. There are 111.4 rainy days annually in Marietta, which is one of the rainiest places in Georgia. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 20% 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 1.7 inches in Marietta means that it is one of the snowiest places in Georgia.

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

January is the snowiest month in Marietta with 0.6 inches of snow, and 2 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Mckinney 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

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NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

| Reply

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Reviews for Marietta 2 Reviews

Jill · Sherman Oaks, CA

re:

Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't More

| Reply

NC For Me · Apex, NC

re:

Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but More

| Reply

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2025 Compare Climate & Weather:
McKinney, TX vs Marietta, GA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

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

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 Marietta with an average of 30.9°. This is colder than most places in Georgia.

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

In Marietta, there are 27.1 days annually when the high temperature is over 90°, which is one of the coolest places in Georgia.

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 Marietta, there are 58.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Georgia.

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 Marietta, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Georgia.

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

An annual snowfall of 1.7 inches in Marietta means that it is one of the snowiest places in Georgia.

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

January is the snowiest month in Marietta with 0.6 inches of snow, and 2 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Mckinney 2 Reviews

Reviews for Marietta 2 Reviews

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2025 Compare Climate & Weather:McKinney, TX vs Marietta, GA

Highlights

Weather Highlights

BestPlaces Comfort Index

Average Monthly High / Low (°F)

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

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 Marietta with an average of 30.9°. This is colder than most places in Georgia.

In McKinney, there are 73.7 days annually when the high temperature is over 90°, which is cooler than most places in Texas.In Marietta, there are 27.1 days annually when the high temperature is over 90°, which is one of the coolest places in Georgia.

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 Marietta, there are 58.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Georgia.

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 Marietta, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Georgia.

An annual snowfall of 1.6 inches in McKinney means that it is snowier than most places in Texas.An annual snowfall of 1.7 inches in Marietta means that it is one of the snowiest places in Georgia.

February is the snowiest month in McKinney with 0.6 inches of snow, and 1 month of the year have significant snowfall.January is the snowiest month in Marietta with 0.6 inches of snow, and 2 months of the year have significant snowfall.

DID YOU KNOW?

Reviews for Mckinney 2 Reviews

Reviews for Marietta 2 Reviews

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2025 Compare Climate & Weather:
McKinney, TX vs Marietta, GA

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 Marietta with an average of 30.9°. This is colder than most places in Georgia.

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

In Marietta, there are 27.1 days annually when the high temperature is over 90°, which is one of the coolest places in Georgia.

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 Marietta, there are 58.4 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Georgia.

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 Marietta, there are 0.1 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Georgia.

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

An annual snowfall of 1.7 inches in Marietta means that it is one of the snowiest places in Georgia.

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

January is the snowiest month in Marietta with 0.6 inches of snow, and 2 months of the year have significant snowfall.