Wilmington, DE Weather - Forecast & Monthly Averages

TEMPERATURE	54
HUMIDITY	66
PRESSURE	102540
WIND COND.	160 22.3

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Weather Quick Facts

The highest monthly average temperature in Wilmington for July is 77.2 degrees
The lowest monthly average temperature in Wilmington for February is 33.8 degrees
The most monthly precipitation in Wilmington occurs in October with 6.1 inches
The air quality index in Wilmington is 21% worse than the national average
The pollution index in Wilmington is 20% better than the national average

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Wilmington Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	27°F	43°F	34°F	3.3"
February	26°F	43°F	34°F	2.5"
March	34°F	54°F	43°F	3.7"
April	44°F	66°F	54°F	4.9"
May	52°F	74°F	63°F	3.2"
June	64°F	83°F	73°F	5.0"
July	68°F	87°F	77°F	5.6"
August	67°F	86°F	76°F	3.7"
September	59°F	79°F	69°F	4.1"
October	48°F	67°F	57°F	6.1"
November	40°F	57°F	48°F	3.3"
December	30°F	46°F	38°F	5.3"

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Wilmington air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	Wilmington	Delaware	National
Air quality index	51	41	42
Pollution index	2,169,600	7,274,307	2,726,193

Wilmington air quality information

Measurement	Total
Days measured	365
Days with good air quality	180
Days with moderate air quality	169
Days w/ poor A.Q. for sensitive groups	16
Days with unhealthy air quality	0

Wilmington air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.030%
Carbon Tetrachloride	0.002%
Lead	0.010%
Mercury	0.004%

Average monthly Wilmington temperature with heat index

Wilmington monthly precipitation with daily maximum

Wilmington monthly snow depth with daily maximum

Wilmington monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Pennsville, NJ	11,968	40	20.0%
Salem, NJ	4,761	40	20.0%
Woodstown, NJ	3,445	40	20.0%
Alloway, NJ	1,474	40	20.0%
Quinton, NJ	369	40	20.0%
Wilmington, DE	70,655	51	2.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
St. Charles, MO	70,650	54	8.0%
North Richland Hills, TX	70,585	51	2.0%
Saint John, NB	70,776	n/a
Casas Adobes, AZ	70,516	47	6.0%
Canton, OH	70,863	46	8.0%
Wilmington, DE	70,655	51	2.0%

Source: The Wilmington, DE weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.