2025 Compare Climate & Weather:
Mountlake Terrace, WA vs McKinney, TX

Highlights

On average, there are 229 sunny days per year in McKinney. Mountlake Terrace averages 165 sunny days per year. The US average is 205 sunny days.

McKinney, Texas gets 41.1 inches of rain, on average, per year. Mountlake Terrace, Washington gets 36.6 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

McKinney averages 1.6 inches of snow per year. Mountlake Terrace averages 3.7 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

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

Mountlake Terrace, Washington
Summer High: the July high is around 74 degrees
Winter Low: the January low is 37.1
Rain: averages 36.6 inches of rain a year
Snow: averages 3.7 inches of snow a year

BestPlaces Comfort Index

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

The annual BestPlaces Comfort Index for Mountlake Terrace is 7.3 (10=best), which means it is more comfortable than most places in Washington.

Today's Weather - Mountlake Terrace, WA

65°F

Today's Weather - McKinney, TX

74°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Mountlake Terrace / McKinney

August is the hottest month for Mountlake Terrace with an average high temperature of 74.9°, which ranks it as cooler than most places in Washington. In Mountlake Terrace, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mountlake Terrace are August, July and September.

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.

December has the coldest nighttime temperatures for Mountlake Terrace with an average of 35.9°. This is one of the warmest places in Washington.

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

In Mountlake Terrace, there are 1.0 days annually when the high temperature is over 90°, which is cooler than most places in Washington.

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

In Mountlake Terrace, there are 22.0 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Washington.

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

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.

November is the wettest month in Mountlake Terrace with 6.0 inches of rain, and the driest month is July with 0.9 inches. The wettest season is Spring with 37% of yearly precipitation and 10% occurs in Autumn, which is the driest season. The annual rainfall of 36.6 inches in Mountlake Terrace means that it is drier than most places in Washington.


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.

November is the rainiest month in Mountlake Terrace with 19.2 days of rain, and August is the driest month with only 5.6 rainy days. There are 161.9 rainy days annually in Mountlake Terrace, which is about average compared to other places in Washington. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 14% chance of a rainy day.

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.

An annual snowfall of 3.7 inches in Mountlake Terrace means that it is less snowy than most places in Washington.

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

December is the snowiest month in Mountlake Terrace with 1.8 inches of snow, and 4 months of the year have significant snowfall.

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