TODAY DEC12
TEMPERATURE37
HUMIDITY80
PRESSURE30.34
WIND COND.150 10.3
  • 5439
  • 5939Fri
  • 6039Sat
  • 5838Sun20%
  • 4828Mon20%
daynightWeather update from Sherman/Denison, Grayson County Airport at
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Sherman 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
January34°F56°F44°F2.5"
February38°F60°F47°F2.1"
March47°F69°F56°F2.9"
April54°F76°F64°F4.7"
May61°F82°F71°F5.6"
June71°F91°F81°F4.5"
July74°F95°F84°F3.1"
August74°F96°F84°F3.1"
September67°F89°F77°F2.9"
October56°F79°F66°F3.1"
November46°F67°F56°F2.9"
December37°F56°F45°F2.6"

Did you know?

  • The highest monthly average temperature in Sherman for August is 84 degrees.
  • The lowest monthly average temperature in Sherman for January is 44 degrees.
  • The most monthly precipitation in Sherman occurs in May with 5.6 inches.
  • The air quality index in Sherman is 554% worse than the national average.
  • The pollution index in Sherman is 75% worse than the national average.

Compare Sherman, TX Weather To Other Cities

Sherman 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.
IndexShermanTexasNational
Air quality index3255250
Pollution index8,884,1904,642,9165,066,862

Sherman air quality information

MeasurementTotal
Days measured138
Days with good air quality120
Days with moderate air quality17
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Sherman air quality information

PollutantTotal
Arsenic0.030%
Benzene0.070%
Carbon Tetrachloride0.040%
Lead0.260%
Mercury0.020%

Average monthly Sherman temperature with heat index

Sherman monthly precipitation with daily maximum

Sherman monthly snow depth with daily maximum

Sherman monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Denison, TX23,080325550%
Knollwood, TX379325550%
Southmayd, TX976325550%
Achille, OK366325550%
Dorchester, TX93325550%
Sherman, TX40,112325550%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Meridian, MS40,0943138%
Norwich, CT40,0574412%
Linton Hall, VA40,026492%
San Gabriel, CA40,2007448%
Marana, AZ40,221468%
Sherman, TX40,112325550%
Source: The Sherman, 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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