TODAY OCT20
TEMPERATURE63
HUMIDITY83
PRESSURE29.83
WIND COND.130 3.4
  • 7342Mon40%
  • 7552Tue
  • 7858Wed
  • 7247Thu40%40%
  • 6046Fri40%20%
daynightWeather update from Dallas / Addison Airport at
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Lewisville Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January39°F58°F47°F7.1"
February42°F62°F51°F2.6"
March51°F70°F60°F7.1"
April58°F77°F67°F9.9"
May66°F84°F74°F11.4"
June75°F92°F83°F5.8"
July77°F95°F86°F2.0"
August78°F96°F87°F1.4"
September71°F89°F80°F0.5"
October60°F79°F69°F14.4"
November50°F68°F58°F8.2"
December40°F58°F48°F6.1"

Did you know?

  • The highest monthly average temperature in Lewisville for August is 87 degrees.
  • The lowest monthly average temperature in Lewisville for January is 47 degrees.
  • The most monthly precipitation in Lewisville occurs in October with 14.4 inches.
  • The air quality index in Lewisville is 9% worse than the national average.
  • The pollution index in Lewisville is 72% better than the national average.

Compare Lewisville, TX Weather To Other Cities

Lewisville 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.
IndexLewisvilleTexasNational
Air quality index545250
Pollution index1,399,3104,642,9165,066,862

Lewisville air quality information

MeasurementTotal
Days measured365
Days with good air quality156
Days with moderate air quality176
Days w/ poor A.Q. for sensitive groups32
Days with unhealthy air quality1

Lewisville air quality information

PollutantTotal
Arsenic0.003%
Benzene0.020%
Carbon Tetrachloride0.001%
Lead0.010%
Mercury0.002%

Average monthly Lewisville temperature with heat index

Lewisville monthly precipitation with daily maximum

Lewisville monthly snow depth with daily maximum

Lewisville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Addison, TX15,363548%
Bristol, TX372548%
Copper Canyon, TX1,348548%
Denton, TX128,421548%
Flower Mound, TX69,966548%
Lewisville, TX102,327548%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Davenport, IA102,3055510%
Rialto, CA102,4188570%
San Mateo, CA102,224484%
Sandy Springs, GA102,212524%
Clovis, CA102,1488060%
Lewisville, TX102,327548%
Source: The Lewisville, 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.
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