Williston, TN Weather - Forecast & Monthly Averages

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TEMPERATURE	63
HUMIDITY	72
PRESSURE	101862.57
WIND COND.	10 11.1

Weather Quick Facts

The highest monthly average temperature in Williston for August is 82.7 degrees
The lowest monthly average temperature in Williston for January is 42.4 degrees
The most monthly precipitation in Williston occurs in April with 5.9 inches
The air quality index in Williston is 7% worse than the national average
The pollution index in Williston is 653% worse than the national average

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Williston 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	32°F	54°F	42°F	4.5"
February	35°F	57°F	45°F	3.7"
March	44°F	67°F	55°F	5.4"
April	52°F	77°F	64°F	5.9"
May	61°F	83°F	72°F	5.8"
June	71°F	92°F	81°F	3.6"
July	73°F	93°F	83°F	4.6"
August	73°F	93°F	83°F	3.9"
September	66°F	88°F	76°F	3.4"
October	53°F	78°F	64°F	3.7"
November	42°F	66°F	53°F	4.2"
December	35°F	56°F	45°F	5.6"

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Williston 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	Williston	Tennessee	National
Air quality index	45	76	42
Pollution index	20,539,300	2,454,916	2,726,193

Williston air quality

Measurement	Total
Days measured	365
Days with good air quality	221
Days with moderate air quality	139
Days w/ poor A.Q. for sensitive groups	5
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.060%
Benzene	0.210%
Carbon Tetrachloride	0.060%
Lead	0.170%
Mercury	0.110%

Average monthly Williston temperature with heat index

Williston monthly precipitation with daily maximum

Williston monthly snow depth with daily maximum

Williston monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Hickory Valley, TN	90	27	46.0%
Whiteville, TN	4,620	27	46.0%
Gallaway, TN	738	45	10.0%
Grand Junction, TN	400	45	10.0%
Somerville, TN	3,333	45	10.0%
Williston, TN	549	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Fountain Lake, AR	549	38	24.0%
Picacho, AZ	549	47	6.0%
Ashton, IA	549	36	28.0%
Cowden, IL	549	40	20.0%
Drakesboro, KY	549	43	14.0%
Williston, TN	549	45	10.0%

Source: The Williston, TN 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.