Birch Bay, WA Weather - Forecast & Monthly Averages

TEMPERATURE	45
HUMIDITY	79
PRESSURE	100810
WIND COND.	39 12.9

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Weather Quick Facts

The highest monthly average temperature in Birch Bay for July is 64.4 degrees
The lowest monthly average temperature in Birch Bay for December is 39 degrees
The most monthly precipitation in Birch Bay occurs in January with 7.4 inches
The air quality index in Birch Bay is 19% better than the national average
The pollution index in Birch Bay is 82% better than the national average

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Birch Bay 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	47°F	41°F	7.4"
February	37°F	50°F	42°F	3.8"
March	40°F	54°F	46°F	5.8"
April	43°F	58°F	50°F	2.8"
May	48°F	65°F	56°F	2.9"
June	53°F	68°F	60°F	1.8"
July	56°F	73°F	64°F	1.0"
August	56°F	73°F	64°F	1.4"
September	52°F	68°F	59°F	3.2"
October	46°F	60°F	52°F	5.3"
November	40°F	51°F	45°F	6.7"
December	34°F	45°F	39°F	6.3"

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Birch Bay 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	Birch Bay	Washington	National
Air quality index	34	36	42
Pollution index	480,925	4,541,850	2,726,193

Birch Bay air quality

Measurement	Total
Days measured	365
Days with good air quality	277
Days with moderate air quality	78
Days w/ poor A.Q. for sensitive groups	10
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.040%
Mercury	0.000%

Average monthly Birch Bay temperature with heat index

Birch Bay monthly precipitation with daily maximum

Birch Bay monthly snow depth with daily maximum

Birch Bay monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Lynden, WA	14,700	34	32.0%
Custer, WA	298	34	32.0%
Marietta-Alderwood, WA	3,463	34	32.0%
Bellingham, WA	90,821	34	32.0%
Point Roberts, WA	1,100	34	32.0%
Birch Bay, WA	9,917	34	32.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Brockton, ON	9,915	n/a
Wimauma, FL	9,922	43	14.0%
Denham Springs, LA	9,908	45	10.0%
Warrenton, VA	9,928	38	24.0%
Astoria, OR	9,929	18	64.0%
Birch Bay, WA	9,917	34	32.0%

Source: The Birch Bay, 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.