Deep River, WA Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Deep River for August is 60.9 degrees
The lowest monthly average temperature in Deep River for December is 42.4 degrees
The most monthly precipitation in Deep River occurs in November with 12.7 inches
The air quality index in Deep River is 57% better than the national average
The pollution index in Deep River is 55% worse than the national average

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Deep River 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	36°F	51°F	43°F	10.5"
February	37°F	53°F	44°F	6.7"
March	39°F	55°F	46°F	9.5"
April	40°F	57°F	49°F	6.0"
May	45°F	63°F	53°F	4.1"
June	50°F	66°F	57°F	2.4"
July	53°F	69°F	60°F	1.0"
August	53°F	71°F	61°F	0.8"
September	50°F	70°F	59°F	3.3"
October	45°F	63°F	53°F	7.4"
November	40°F	55°F	47°F	12.7"
December	36°F	49°F	42°F	11.3"

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Deep River 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	Deep River	Washington	National
Air quality index	18	36	42
Pollution index	4,215,410	4,541,850	2,726,193

Deep River 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	0.005%
Benzene	0.050%
Carbon Tetrachloride	0.004%
Lead	0.030%
Mercury	0.250%

Average monthly Deep River temperature with heat index

Deep River monthly precipitation with daily maximum

Deep River monthly snow depth with daily maximum

Deep River monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Warrenton, OR	5,635	18	64.0%
Grays River, WA	309	18	64.0%
Chinook, WA	168	18	64.0%
Astoria, OR	9,929	18	64.0%
Rosburg, WA	320	18	64.0%
Deep River, WA	169	18	64.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Vernon, AZ	169	44	12.0%
Farmington, CA	169	45	10.0%
Sisquoc, CA	169	46	8.0%
Castalia, IA	169	35	30.0%
Admire, KS	169	22	56.0%
Deep River, WA	169	18	64.0%

Source: The Deep River, WA 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.