Sussex County in Delaware has a humid subtropical climate. Summers are usually hot and humid, with average temperatures ranging from lows of around 73°F to highs of around 85°F. Winters are generally mild with temperatures that usually range from 33°F to 57°F. The county experiences moderate levels of precipitation throughout the year, averaging about 44 inches annually. Snowfall is quite rare in Sussex County, though its northern areas experience some snowfall each year with an average of 6 inches per season.
Sussex County, Delaware gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sussex County averages 11 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 204 sunny days per year in Sussex County. The US average is 205 sunny days.
Sussex County gets some kind of precipitation, on average, 121 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 86 degrees
Winter Low: the January low is 27
Rain: averages 45 inches of rain a year
Snow: averages 11 inches of snow a year