Mill Creek, WA Weather - Forecast & Monthly Averages

TEMPERATURE	49
HUMIDITY	83
PRESSURE	101590
WIND COND.	160 14.8

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Weather Quick Facts

The highest monthly average temperature in Mill Creek for July is 62.9 degrees
The lowest monthly average temperature in Mill Creek for December is 39.5 degrees
The most monthly precipitation in Mill Creek occurs in December with 8.6 inches
The air quality index in Mill Creek is 7% worse than the national average
The pollution index in Mill Creek is 1491% worse than the national average

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Mill Creek 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	35°F	45°F	40°F	2.5"
February	36°F	50°F	42°F	2.8"
March	41°F	55°F	47°F	3.5"
April	43°F	58°F	49°F	3.5"
May	48°F	65°F	55°F	3.0"
June	51°F	66°F	57°F	2.2"
July	55°F	74°F	63°F	2.0"
August	55°F	74°F	62°F	1.7"
September	50°F	66°F	57°F	2.8"
October	46°F	59°F	51°F	3.4"
November	38°F	48°F	43°F	4.8"
December	35°F	45°F	39°F	8.6"

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Mill Creek 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	Mill Creek	Washington	National
Air quality index	45	36	42
Pollution index	43,367,400	4,541,850	2,726,193

Mill Creek air quality

Measurement	Total
Days measured	365
Days with good air quality	236
Days with moderate air quality	127
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.020%
Benzene	0.790%
Carbon Tetrachloride	0.120%
Lead	0.210%
Mercury	0.180%

Average monthly Mill Creek temperature with heat index

Mill Creek monthly precipitation with daily maximum

Mill Creek monthly snow depth with daily maximum

Mill Creek monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Lake Bosworth, WA	1,071	24	52.0%
Marysville, WA	69,629	24	52.0%
Langley, WA	1,201	24	52.0%
Lake Cassidy, WA	2,854	24	52.0%
Lochsloy, WA	2,991	24	52.0%
Mill Creek, WA	20,750	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Sainte-Marthe-sur-le-Lac, QC	20,759	n/a
Baie-Comeau, QC	20,732	n/a
McNair, VA	20,776	47	6.0%
North Salt Lake, UT	20,721	51	2.0%
Mokena, IL	20,720	55	10.0%
Mill Creek, WA	20,750	45	10.0%

Source: The Mill Creek, 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.