Deer Island, OR Weather - Forecast & Monthly Averages

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TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Deer Island for August is 68 degrees
The lowest monthly average temperature in Deer Island for December is 38.1 degrees
The most monthly precipitation in Deer Island occurs in November with 7.1 inches
The air quality index in Deer Island is 57% better than the national average
The pollution index in Deer Island is 19% worse than the national average

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Deer Island 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	32°F	47°F	38°F	6.1"
February	34°F	52°F	42°F	4.6"
March	37°F	57°F	46°F	5.7"
April	39°F	62°F	50°F	3.1"
May	45°F	70°F	57°F	2.5"
June	50°F	75°F	62°F	1.4"
July	54°F	83°F	68°F	0.3"
August	54°F	84°F	68°F	0.5"
September	49°F	78°F	62°F	1.6"
October	43°F	65°F	53°F	4.1"
November	37°F	53°F	45°F	7.1"
December	32°F	45°F	38°F	6.9"

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Deer Island 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	Deer Island	Oregon	National
Air quality index	18	32	42
Pollution index	3,247,580	7,156,356	2,726,193

Deer Island air quality

Measurement	Total
Days measured	360
Days with good air quality	338
Days with moderate air quality	22
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.002%
Benzene	0.020%
Carbon Tetrachloride	0.500%
Lead	0.040%
Mercury	0.001%

Average monthly Deer Island temperature with heat index

Deer Island monthly precipitation with daily maximum

Deer Island monthly snow depth with daily maximum

Deer Island monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Columbia City, OR	1,770	18	64.0%
Longview, WA	37,914	18	64.0%
Prescott, OR	85	18	64.0%
Rainier, OR	2,080	18	64.0%
Kalama, WA	2,708	18	64.0%
Deer Island, OR	105	18	64.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Buckeye, IA	105	37	26.0%
Tingley, IA	105	39	22.0%
Unionville, IA	105	39	22.0%
Lima, IL	105	41	18.0%
Raglesville, IN	105	1	98.0%
Deer Island, OR	105	18	64.0%

Source: The Deer Island, OR 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.