Dewey Beach, DE Weather - Forecast & Monthly Averages

TEMPERATURE	36
HUMIDITY	67
PRESSURE	100100
WIND COND.	240 5.4

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Weather Quick Facts

The highest monthly average temperature in Dewey Beach for July is 78.4 degrees
The lowest monthly average temperature in Dewey Beach for January is 36.8 degrees
The most monthly precipitation in Dewey Beach occurs in June with 5.6 inches
The air quality index in Dewey Beach is 14% better than the national average
The pollution index in Dewey Beach is 165% worse than the national average

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Dewey Beach 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	28°F	46°F	37°F	2.9"
February	28°F	48°F	38°F	2.3"
March	36°F	57°F	46°F	3.1"
April	45°F	68°F	56°F	3.5"
May	54°F	77°F	65°F	3.1"
June	64°F	85°F	74°F	5.6"
July	69°F	89°F	78°F	4.5"
August	67°F	87°F	76°F	4.8"
September	61°F	81°F	70°F	4.7"
October	50°F	71°F	60°F	4.4"
November	39°F	60°F	49°F	2.9"
December	33°F	52°F	42°F	3.6"

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Dewey Beach 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	Dewey Beach	Delaware	National
Air quality index	36	41	42
Pollution index	7,219,540	7,274,307	2,726,193

Dewey Beach air quality

Measurement	Total
Days measured	365
Days with good air quality	303
Days with moderate air quality	61
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality

Air quality details

Pollutant	Total
Arsenic	0.060%
Benzene	0.070%
Carbon Tetrachloride	0.000%
Lead	0.030%
Mercury	0.110%

Average monthly Dewey Beach temperature with heat index

Dewey Beach monthly precipitation with daily maximum

Dewey Beach monthly snow depth with daily maximum

Dewey Beach monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Bethany Beach, DE	1,150	36	28.0%
Lewes, DE	3,266	36	28.0%
Milton, DE	2,993	36	28.0%
Dagsboro, DE	1,026	36	28.0%
Long Neck, DE	2,869	36	28.0%
Dewey Beach, DE	442	36	28.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Boody, IL	442	44	12.0%
Equality, IL	442	45	10.0%
Naplate, IL	442	0	100.0%
Ruma, IL	442	54	8.0%
Spokane, LA	442	30	40.0%
Dewey Beach, DE	442	36	28.0%

Source: The Dewey Beach, 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.