Zip 19720 (New Castle, DE) Climate

In 1920 New Castle, DE, the climate was characterized by warm summers and mild winters. The average maximum temperature in the summer months was around 80°F, while the average minimum was around 60°F. During the winter months, temperatures were much cooler averaging low-mid 40s for highs and mid-upper 20s for lows. Precipitation could range from sunny days to rainy days with a yearly average of 46 inches of rain in total. Snowfall was light, generally only seen during January and February with an annual average of about 10 inches.

New Castle (zip 19720), Delaware gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.

New Castle (zip 19720) averages 12 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 201 sunny days per year in New Castle (zip 19720). The US average is 205 sunny days.

New Castle (zip 19720) gets some kind of precipitation, on average, 108 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 24
Rain: averages 45 inches of rain a year
Snow: averages 12 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 19720 zip code is 7.3 (10=best), which means it is about average compared to other places in Delaware.

8.4 Summer - 5.7 Winter

September, June and May are the most pleasant months in the 19720 zip code, while January and February are the least comfortable months.

Climate	New Castle, Delaware	United States
	Unlock	38.1 in.
	12.4 in.	Unlock
	Unlock	106.2 days
	201 days	Unlock
	86.9°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	44 ft.	Unlock

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for the 19720 zip code with an average high temperature of 86.9°, which ranks it as warmer than most places in Delaware. In the 19720 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 19720 zip code are September, May and June.

In the 19720 zip code, there are 20.9 days annually when the high temperature is over 90°, which is hotter than most places in Delaware.

January has the coldest nighttime temperatures for the 19720 zip code with an average of 23.9°. This is colder than most places in Delaware.

In the 19720 zip code, there are 97.1 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Delaware.

In the 19720 zip code, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Delaware.

The humidity is usually comfortable in the 19720 zip code but some summer months can be unpleasant. July is the most humid month, though humidity is low for most of the year. The most humid months in the 19720 zip code are July, August and June.

September is the wettest month in the 19720 zip code with 4.6 inches of rain, and the driest month is February with 2.7 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 44.9 inches in the 19720 zip code means that it is drier than most places in Delaware.

May is the rainiest month in the 19720 zip code with 10.5 days of rain, and October is the driest month with only 7.6 rainy days. There are 108.1 rainy days annually in the 19720 zip code, which is one of the least rainy places in Delaware. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 12.4 inches in the 19720 zip code means that it is less snowy than most places in Delaware. January is the snowiest month in the 19720 zip code with 4.8 inches of snow, and 4 months of the year have significant snowfall.

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