Smyrna, Delaware has a humid, subtropical climate with mild winters and hot summers. During summer months, temperatures range from the mid-80s to the high 90s and can be quite humid. In winter months, temperatures usually stay in the low to mid 40s and sometimes dip into the lower 30s on very cold nights. Rainfall is moderate throughout the year, but most of it falls during thunderstorm activity in late spring and early summer. Snowfall is rare in Smyrna but does occur occasionally in winter.
Smyrna, Delaware gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Smyrna averages 15 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Smyrna. The US average is 205 sunny days.
Smyrna gets some kind of precipitation, on average, 113 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.
Weather Highlights
Summer High: the July high is around 87 degrees
Winter Low: the January low is 25
Rain: averages 45 inches of rain a year
Snow: averages 15 inches of snow a year