West Haven-Sylvan, OR Weather - Forecast & Monthly Averages

TEMPERATURE	46
HUMIDITY	89
PRESSURE	101930
WIND COND.	140 7.6

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Weather Quick Facts

The highest monthly average temperature in West Haven-Sylvan for July is 69.7 degrees
The lowest monthly average temperature in West Haven-Sylvan for January is 39.7 degrees
The most monthly precipitation in West Haven-Sylvan occurs in December with 10.3 inches
The air quality index in West Haven-Sylvan is 10% better than the national average
The pollution index in West Haven-Sylvan is 19% worse than the national average

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West Haven-Sylvan 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	48°F	40°F	4.7"
February	33°F	53°F	42°F	3.9"
March	40°F	60°F	50°F	5.0"
April	43°F	62°F	52°F	3.7"
May	48°F	71°F	59°F	4.0"
June	52°F	73°F	62°F	2.7"
July	58°F	83°F	70°F	1.3"
August	56°F	84°F	68°F	6.4"
September	49°F	75°F	62°F	0.9"
October	47°F	64°F	54°F	4.5"
November	36°F	53°F	44°F	7.9"
December	35°F	46°F	40°F	10.3"

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West Haven-Sylvan 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	West Haven-Sylvan	Oregon	National
Air quality index	38	32	42
Pollution index	3,247,580	7,156,356	2,726,193

West Haven-Sylvan air quality

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

Air quality details

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

Average monthly West Haven-Sylvan temperature with heat index

West Haven-Sylvan monthly precipitation with daily maximum

West Haven-Sylvan monthly snow depth with daily maximum

West Haven-Sylvan monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Orchards, WA	26,289	38	24.0%
Durham, OR	1,764	38	24.0%
Jennings Lodge, OR	8,500	38	24.0%
Milwaukie, OR	21,086	38	24.0%
Tigard, OR	54,149	38	24.0%
West Haven-Sylvan, OR	8,505	38	24.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Reserve, LA	8,506	30	40.0%
Live Oak city, CA	8,501	35	30.0%
Alamo Heights, TX	8,501	49	2.0%
Indian Harbour Beach, FL	8,509	36	28.0%
Perryville, MO	8,500	54	8.0%
West Haven-Sylvan, OR	8,505	38	24.0%

Source: The West Haven-Sylvan, 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.