New Castle, DE Weather - Forecast & Monthly Averages

TEMPERATURE	50
HUMIDITY	52
PRESSURE	102740
WIND COND.	40 18.4

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Weather Quick Facts

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

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New Castle 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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New Castle 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	New Castle	Delaware	National
Air quality index	51	41	42
Pollution index	2,169,600	7,274,307	2,726,193

New Castle 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

New Castle air quality information

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

Average monthly New Castle temperature with heat index

New Castle monthly precipitation with daily maximum

New Castle monthly snow depth with daily maximum

New Castle monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Woodstown, NJ	3,445	40	20.0%
Salem, NJ	4,761	40	20.0%
Alloway, NJ	1,474	40	20.0%
Shiloh, NJ	368	40	20.0%
Pennsville, NJ	11,968	40	20.0%
New Castle, DE	5,302	51	2.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Big Bear Lake, CA	5,302	89	78.0%
Aberdeen, MS	5,302	39	22.0%
Yosemite Lakes, CA	5,303	50	= 100
Moab, UT	5,303	44	12.0%
Boulder Creek, CA	5,305	35	30.0%
New Castle, DE	5,302	51	2.0%

Source: The New Castle, 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.