Allen, Texas gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Allen 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 Allen. The US average is 205 sunny days.
Allen gets some kind of precipitation, on average, 83 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 41 inches of rain a year
Snow: averages 2 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Allen is 7.2 (10=best), which means it is more comfortable than most places in Texas.
4.9 / 7.1
Summer / Winter
October, April and May are the most pleasant months in Allen, while July and August are the least comfortable months.