2025 Compare Climate & Weather:
Grafton, MA vs Flower Mound, TX

Highlights

On average, there are 229 sunny days per year in Flower Mound. Grafton averages 197 sunny days per year. The US average is 205 sunny days.

Flower Mound, Texas gets 38.5 inches of rain, on average, per year. Grafton, Massachusetts gets 48.7 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Flower Mound averages 0.4 inches of snow per year. Grafton averages 43.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Flower Mound, Texas
Summer High: the July high is around 95 degrees
Winter Low: the January low is 34.1
Rain: averages 38.5 inches of rain a year
Snow: averages 0.4 inches of snow a year

Grafton, Massachusetts
Summer High: the July high is around 82.5 degrees
Winter Low: the January low is 13.5
Rain: averages 48.7 inches of rain a year
Snow: averages 43.6 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Flower Mound is 7.1 (10=best), which means it is about average compared to other places in Texas.

The annual BestPlaces Comfort Index for Grafton is 6.9 (10=best), which means it is about average compared to other places in Massachusetts.

Today's Weather - Grafton, MA

51°F

Today's Weather - Flower Mound, TX

65°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Grafton / Flower Mound

July is the hottest month for Grafton with an average high temperature of 82.5°, which ranks it as warmer than most places in Massachusetts. In Grafton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Grafton are June, August and September.

August is the hottest month for Flower Mound with an average high temperature of 95.6°, which ranks it as about average compared to other places in Texas. In Flower Mound, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Flower Mound are October, April and May.

January has the coldest nighttime temperatures for Grafton with an average of 13.5°. This is colder than most places in Massachusetts.

January has the coldest nighttime temperatures for Flower Mound with an average of 34.1°. This is colder than most places in Texas.

In Grafton, there are 9.1 days annually when the high temperature is over 90°, which is hotter than most places in Massachusetts.

In Flower Mound, there are 89.2 days annually when the high temperature is over 90°, which is about average compared to other places in Texas.

In Grafton, there are 151.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Massachusetts.

In Flower Mound, there are 36.0 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Texas.

In Grafton, there are 7.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Massachusetts.

In Flower Mound, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Texas.

March is the wettest month in Grafton with 4.6 inches of rain, and the driest month is February with 3.4 inches. The wettest season is Summer with 26% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 48.7 inches in Grafton means that it is wetter than most places in Massachusetts.


May is the wettest month in Flower Mound with 5.2 inches of rain, and the driest month is August with 1.9 inches. The wettest season is Summer with 32% of yearly precipitation and 20% occurs in Spring, which is the driest season. The annual rainfall of 38.5 inches in Flower Mound means that it is wetter than most places in Texas.

May is the rainiest month in Grafton with 12.2 days of rain, and September is the driest month with only 8.7 rainy days. There are 120.4 rainy days annually in Grafton, which is about average compared to other places in Massachusetts. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 24% chance of a rainy day.

May is the rainiest month in Flower Mound with 8.5 days of rain, and July is the driest month with only 4.6 rainy days. There are 77.1 rainy days annually in Flower Mound, 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 22% chance of a rainy day.

An annual snowfall of 43.6 inches in Grafton means that it is about average compared to other places in Massachusetts.

An annual snowfall of 0.4 inches in Flower Mound means that it is about average compared to other places in Texas.

January is the snowiest month in Grafton with 13.8 inches of snow, and 6 months of the year have significant snowfall.

December is the snowiest month in Flower Mound with 0.1 inches of snow, and no months of the year have significant snowfall.