Government Island, Portland, OR Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Government Island for August is 69.5 degrees
The lowest monthly average temperature in Government Island for December is 39.9 degrees
The most monthly precipitation in Government Island occurs in November with 6.2 inches
The air quality index in Government Island is 10% better than the national average
The pollution index in Government Island is 30% better than the national average

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Government 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	34°F	48°F	40°F	4.9"
February	36°F	53°F	43°F	3.4"
March	39°F	58°F	48°F	4.8"
April	42°F	63°F	52°F	3.0"
May	48°F	71°F	58°F	2.8"
June	53°F	76°F	63°F	1.7"
July	57°F	84°F	69°F	0.5"
August	58°F	85°F	70°F	0.5"
September	53°F	78°F	64°F	1.8"
October	47°F	66°F	55°F	3.7"
November	40°F	55°F	47°F	6.2"
December	34°F	47°F	40°F	6.2"

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Government 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	Government Island	Portland	Oregon
Air quality index	38	38	32
Pollution index	1,899,410	1,899,410	7,156,356

Government Island air quality information

Measurement	Total
Days measured	365
Days with good air quality	285
Days with moderate air quality	77
Days w/ poor A.Q. for sensitive groups	3
Days with unhealthy air quality	0

Government Island air quality information

Pollutant	Total
Arsenic	0.003%
Benzene	0.020%
Carbon Tetrachloride	0.010%
Lead	0.010%
Mercury	0.002%

Average monthly Government Island temperature with heat index

Government Island monthly precipitation with daily maximum

Government Island monthly snow depth with daily maximum

Government Island monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Maywood Park, OR	1,224	38	24.0%
Brush Prairie, WA	2,721	38	24.0%
Meadow Glade, WA	2,774	38	24.0%
Beaverton, OR	98,567	38	24.0%
Jennings Lodge, OR	8,500	38	24.0%
Portland, OR	650,380	38	24.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Memphis, TN	650,910	45	10.0%
Oklahoma City, OK	649,821	48	4.0%
Las Vegas, NV	644,594	54	8.0%
Nashville, TN	667,070	45	10.0%
Detroit, MI	672,351	56	12.0%
Portland, OR	650,380	38	24.0%

Source: The Government Island, Portland, 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.