Rock Hill, SC Weather - Forecast & Monthly Averages

TEMPERATURE	81
HUMIDITY	51
PRESSURE	102000
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Rock Hill for August is 80.8 degrees
The lowest monthly average temperature in Rock Hill for February is 43 degrees
The most monthly precipitation in Rock Hill occurs in March with 9.2 inches
The air quality index in Rock Hill is 16% worse than the national average
The pollution index in Rock Hill is 110% worse than the national average

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Rock Hill 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	34°F	57°F	44°F	4.7"
February	32°F	56°F	43°F	4.9"
March	40°F	67°F	53°F	9.2"
April	46°F	73°F	59°F	5.1"
May	54°F	80°F	67°F	3.1"
June	65°F	87°F	75°F	7.7"
July	69°F	90°F	78°F	6.0"
August	71°F	93°F	81°F	3.6"
September	63°F	88°F	75°F	1.5"
October	54°F	77°F	64°F	3.9"
November	39°F	66°F	52°F	4.6"
December	34°F	58°F	44°F	7.2"

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Rock Hill 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	Rock Hill	South Carolina	National
Air quality index	49	37	42
Pollution index	5,729,570	3,620,438	2,726,193

Rock Hill air quality information

Measurement	Total
Days measured	365
Days with good air quality	200
Days with moderate air quality	147
Days w/ poor A.Q. for sensitive groups	18
Days with unhealthy air quality	0

Rock Hill air quality information

Pollutant	Total
Arsenic	4.280%
Benzene	0.050%
Carbon Tetrachloride	0.020%
Lead	0.130%
Mercury	0.040%

Average monthly Rock Hill temperature with heat index

Rock Hill monthly precipitation with daily maximum

Rock Hill monthly snow depth with daily maximum

Rock Hill monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Lowrys, SC	247	36	28.0%
McConnells, SC	293	36	28.0%
York, SC	8,287	36	28.0%
Marvin, NC	6,672	49	2.0%
Lake Wylie, SC	14,091	49	2.0%
Rock Hill, SC	74,410	49	2.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Rancho Cordova, CA	74,394	52	4.0%
Buckeye, AZ	74,467	74	48.0%
Sarnia, ON	74,477	n/a
Rochester Hills, MI	74,340	56	12.0%
Bolingbrook, IL	74,319	55	10.0%
Rock Hill, SC	74,410	49	2.0%

Source: The Rock Hill, 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.