TODAY DEC11
TEMPERATURE31
HUMIDITY86
PRESSURE30.48
WIND COND.
  • 5233Wed
  • 5436Thu
  • 5840Fri
  • 5937Sat
  • 5436Sun20%
daynightWeather update from Sherman/Denison, Grayson County Airport at
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Dorchester 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 Dorchester for August is 84 degrees.
  • The lowest monthly average temperature in Dorchester for January is 44 degrees.
  • The most monthly precipitation in Dorchester occurs in May with 5.6 inches.
  • The air quality index in Dorchester is 554% worse than the national average.
  • The pollution index in Dorchester is 75% worse than the national average.

Compare Dorchester, TX Weather To Other Cities

Dorchester 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.
IndexDorchesterTexasNational
Air quality index3255250
Pollution index8,884,1904,642,9165,066,862

Dorchester 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

Dorchester air quality information

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

Average monthly Dorchester temperature with heat index

Dorchester monthly precipitation with daily maximum

Dorchester monthly snow depth with daily maximum

Dorchester monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Anna, TX10,335548%
Westminster, TX706548%
Celina, TX7,236548%
Weston, TX335548%
Collinsville, TX1,742325550%
Dorchester, TX93325550%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Fort Ransom, ND933530%
Dickerson City, FL934020%
Thompson Springs, UT934118%
Eyers Grove, PA933138%
Plessis, NY933138%
Dorchester, TX93325550%
Source: The Dorchester, 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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