Washington, LA Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Washington for July is 81.1 degrees
The lowest monthly average temperature in Washington for January is 52.8 degrees
The most monthly precipitation in Washington occurs in August with 16.1 inches
The air quality index in Washington is 3% better than the national average
The pollution index in Washington is 10% better 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	44°F	65°F	53°F	10.2"
February	49°F	70°F	58°F	7.3"
March	56°F	74°F	64°F	10.7"
April	60°F	80°F	69°F	12.3"
May	65°F	82°F	73°F	13.0"
June	72°F	87°F	78°F	9.4"
July	73°F	91°F	81°F	5.5"
August	72°F	91°F	80°F	16.1"
September	67°F	89°F	77°F	5.4"
October	58°F	83°F	69°F	15.2"
November	53°F	74°F	62°F	9.7"
December	47°F	65°F	55°F	10.6"

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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	Louisiana	National
Air quality index	41	106	42
Pollution index	2,459,320	2,526,475	2,726,193

Washington air quality

Measurement	Total
Days measured	365
Days with good air quality	280
Days with moderate air quality	85
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.050%
Benzene	0.010%
Carbon Tetrachloride	0.004%
Lead	0.050%
Mercury	0.040%

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.
Arnaudville, LA	1,614	41	18.0%
Church Point, LA	4,429	41	18.0%
Palmetto, LA	151	41	18.0%
Grand Coteau, LA	1,038	41	18.0%
Lawtell, LA	737	41	18.0%
Washington, LA	860	41	18.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Riceville, IA	860	15	70.0%
Gaston, IN	860	35	30.0%
Calvert Beach, MD	860	41	18.0%
Hollister, NC	860	36	28.0%
North Light Plant, NM	860	49	2.0%
Washington, LA	860	41	18.0%

Source: The Washington, LA 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.