TODAY JUL21
TEMPERATURE83
HUMIDITY49
PRESSURE29.91
WIND COND.100 11.4
  • 7768Sun100%30%
  • 8772Mon50%50%
  • 8370Tue70%70%
  • 8469Wed70%60%
  • 8466Thu40%30%
daynightWeather update from Buffalo, Greater Buffalo International Airport at

Williamsville Average Weather

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
January-6°F68°F27°F3.2"
February-6°F61°F25°F2.6"
March0°F77°F33°F2.6"
April20°F87°F47°F2.9"
May33°F91°F57°F1.6"
June44°F95°F68°F3.4"
July50°F94°F71°F3.5"
August51°F93°F71°F4.2"
September40°F92°F64°F5.1"
October30°F86°F52°F3.9"
November14°F73°F42°F3.7"
December0°F64°F30°F4.2"

Did you know?

  • The highest monthly average temperature in Williamsville for July is 71 degrees.
  • The lowest monthly average temperature in Williamsville for February is 25 degrees.
  • The most monthly precipitation in Williamsville occurs in September with 5.1 inches.
  • The air quality index in Williamsville is 17% better than the national average.
  • The pollution index in Williamsville is 77% better than the national average.

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Compare Williamsville, NY Weather To Other Cities

Williamsville 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.
IndexWilliamsvilleNew YorkNational
Air quality index414350
Pollution index1,117,6809,373,0575,066,862

Williamsville air quality information

MeasurementTotal
Days measured365
Days with good air quality273
Days with moderate air quality91
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Williamsville air quality information

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

Average monthly Williamsville temperature with heat index

Williamsville monthly precipitation with daily maximum

Williamsville monthly snow depth with daily maximum

Williamsville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Billington Heights, NY1,3584118%
Clarence, NY2,9274118%
Eggertsville, NY16,1454118%
Kenmore, NY15,3034118%
Niagara Falls, NY49,1804118%
Williamsville, NY5,2694118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Scarborough, ME5,2683824%
Bliss Corner, MA5,2664510%
Crossett, AR5,272492%
East Moriches, NY5,272476%
Shillington, PA5,2654510%
Williamsville, NY5,2694118%
Source: The Williamsville, NY 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.