Williamston, SC Weather - Forecast & Monthly Averages

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TEMPERATURE	61
HUMIDITY	82
PRESSURE	101727.12
WIND COND.

Weather Quick Facts

The highest monthly average temperature in Williamston for August is 79.6 degrees
The lowest monthly average temperature in Williamston for January is 43.2 degrees
The most monthly precipitation in Williamston occurs in December with 6.2 inches
The air quality index in Williamston is 26% better than the national average
The pollution index in Williamston is 43% better than the national average

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Williamston 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	33°F	55°F	43°F	4.5"
February	34°F	56°F	44°F	3.6"
March	41°F	66°F	53°F	4.7"
April	49°F	74°F	61°F	3.4"
May	58°F	80°F	69°F	4.0"
June	67°F	89°F	77°F	4.0"
July	70°F	90°F	79°F	4.5"
August	71°F	91°F	80°F	3.4"
September	64°F	84°F	73°F	3.4"
October	52°F	73°F	62°F	4.1"
November	41°F	64°F	52°F	3.1"
December	36°F	56°F	45°F	6.2"

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Williamston 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	Williamston	South Carolina	National
Air quality index	31	37	42
Pollution index	1,548,730	3,620,438	2,726,193

Williamston air quality

Measurement	Total
Days measured	250
Days with good air quality	248
Days with moderate air quality	2
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Air quality details

Pollutant	Total
Arsenic	0.003%
Benzene	0.020%
Carbon Tetrachloride	0.004%
Lead	0.030%
Mercury	0.001%

Average monthly Williamston temperature with heat index

Williamston monthly precipitation with daily maximum

Williamston monthly snow depth with daily maximum

Williamston monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Belton, SC	4,597	31	38.0%
Northlake, SC	3,783	31	38.0%
Centerville, SC	7,025	31	38.0%
Princeton, SC	63	31	38.0%
Pelzer, SC	1,715	31	38.0%
Williamston, SC	4,366	31	38.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Prescott, WI	4,364	37	26.0%
Taylor, AZ	4,368	44	12.0%
Indian Rocks Beach, FL	4,368	43	14.0%
Elmira Heights, NY	4,368	35	30.0%
Summerville, GA	4,370	40	20.0%
Williamston, SC	4,366	31	38.0%

Source: The Williamston, SC 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.