Grayson County, Texas gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grayson County averages 2 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 232 sunny days per year in Grayson County. The US average is 205 sunny days.
Grayson County gets some kind of precipitation, on average, 78 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Summer High: the July high is around 93 degrees
Winter Low: the January low is 32
Rain: averages 42 inches of rain a year
Snow: averages 2 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Grayson County is 7.3 (10=best), which means it is more comfortable than most places in Texas.
7.3 / 10
October, May and April are the most pleasant months in Grayson County, while July and August are the least comfortable months.