Washington, MO Weather - Forecast & Monthly Averages

TEMPERATURE	66
HUMIDITY	100
PRESSURE	100980
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Washington for July is 78.7 degrees
The lowest monthly average temperature in Washington for January is 32.1 degrees
The most monthly precipitation in Washington occurs in April with 5.3 inches
The air quality index in Washington is 28% worse than the national average
The pollution index in Washington is 12% worse than the national average

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Washington 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	23°F	44°F	32°F	2.1"
February	25°F	46°F	35°F	1.8"
March	36°F	60°F	47°F	3.7"
April	46°F	71°F	58°F	5.3"
May	55°F	78°F	66°F	4.5"
June	65°F	87°F	76°F	4.8"
July	68°F	90°F	79°F	2.9"
August	66°F	89°F	77°F	3.4"
September	58°F	82°F	69°F	3.9"
October	46°F	70°F	57°F	3.0"
November	36°F	59°F	46°F	2.8"
December	27°F	45°F	35°F	3.1"

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Washington 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	Washington	Missouri	National
Air quality index	54	97	42
Pollution index	3,042,530	1,630,255	2,726,193

Washington air quality

Measurement	Total
Days measured	365
Days with good air quality	134
Days with moderate air quality	221
Days w/ poor A.Q. for sensitive groups	8
Days with unhealthy air quality	2

Air quality details

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

Average monthly Washington temperature with heat index

Washington monthly precipitation with daily maximum

Washington monthly snow depth with daily maximum

Washington monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
New Haven, MO	2,819	39	22.0%
Leslie, MO	73	39	22.0%
Innsbrook, MO	843	54	8.0%
Pacific, MO	6,780	54	8.0%
Union, MO	11,931	54	8.0%
Washington, MO	14,052	54	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Beauharnois, QC	14,056	n/a
Hammonton, NJ	14,046	40	20.0%
Monroe, OH	14,061	54	8.0%
Dumas, TX	14,042	44	12.0%
Lakeland North, WA	14,042	45	10.0%
Washington, MO	14,052	54	8.0%

Source: The Washington, MO 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.