Richardson, TX Weather - Forecast & Monthly Averages

TEMPERATURE	70
HUMIDITY	83
PRESSURE	101930.3
WIND COND.	180 7.4

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Weather Quick Facts

The highest monthly average temperature in Richardson for August is 86.7 degrees
The lowest monthly average temperature in Richardson for January is 47.2 degrees
The most monthly precipitation in Richardson occurs in October with 14.4 inches
The air quality index in Richardson is 21% worse than the national average
The pollution index in Richardson is 36% worse than the national average

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Richardson 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	39°F	58°F	47°F	7.1"
February	42°F	62°F	51°F	2.6"
March	51°F	70°F	60°F	7.1"
April	58°F	77°F	67°F	9.9"
May	66°F	84°F	74°F	11.4"
June	75°F	92°F	83°F	5.8"
July	77°F	95°F	86°F	2.0"
August	78°F	96°F	87°F	1.4"
September	71°F	89°F	80°F	0.5"
October	60°F	79°F	69°F	14.4"
November	50°F	68°F	58°F	8.2"
December	40°F	58°F	48°F	6.1"

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Richardson 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	Richardson	Texas	National
Air quality index	51	52	42
Pollution index	3,706,540	2,009,300	2,726,193

Richardson air quality information

Measurement	Total
Days measured	365
Days with good air quality	181
Days with moderate air quality	155
Days w/ poor A.Q. for sensitive groups	28
Days with unhealthy air quality	1

Richardson air quality information

Pollutant	Total
Arsenic	0.002%
Benzene	0.040%
Carbon Tetrachloride	0.010%
Lead	0.040%
Mercury	0.000%

Average monthly Richardson temperature with heat index

Richardson monthly precipitation with daily maximum

Richardson monthly snow depth with daily maximum

Richardson monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Highland Park, TX	9,143	51	2.0%
Travis Ranch, TX	6,164	51	2.0%
Carrollton, TX	137,319	51	2.0%
Plano, TX	288,870	51	2.0%
Cockrell Hill, TX	4,200	51	2.0%
Richardson, TX	118,583	51	2.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Sugar Land, TX	118,563	52	4.0%
Evansville, IN	118,414	45	10.0%
Waterloo, ON	118,234	n/a
Terrebonne, QC	119,135	n/a
Cambridge, MA	117,822	43	14.0%
Richardson, TX	118,583	51	2.0%

Source: The Richardson, TX 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.