TODAY OCT18
TEMPERATURE41
HUMIDITY57
PRESSURE30.07
WIND COND.290 9.2
  • 4731Thu
  • 6046Fri
  • 5939Sat20%
  • 4730Sun
  • 4736Mon
daynightWeather update from Windsor Locks, Bradley International Airport at
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Collinsville 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
January18°F38°F28°F3.3"
February18°F40°F29°F3.6"
March26°F50°F38°F3.6"
April37°F65°F50°F4.0"
May47°F75°F60°F4.0"
June57°F82°F69°F5.5"
July63°F88°F75°F4.9"
August60°F86°F72°F4.9"
September54°F80°F66°F3.9"
October43°F67°F54°F5.9"
November32°F55°F43°F3.2"
December24°F44°F33°F4.5"

Did you know?

  • The highest monthly average temperature in Collinsville for July is 75 degrees.
  • The lowest monthly average temperature in Collinsville for January is 28 degrees.
  • The most monthly precipitation in Collinsville occurs in October with 5.9 inches.
  • The air quality index in Collinsville is 21% better than the national average.
  • The pollution index in Collinsville is 55% worse than the national average.

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Collinsville 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.
IndexCollinsvilleConnecticutNational
Air quality index394350
Pollution index7,859,3607,127,5315,066,862

Collinsville air quality information

MeasurementTotal
Days measured365
Days with good air quality298
Days with moderate air quality65
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

Collinsville air quality information

PollutantTotal
Arsenic0.030%
Benzene0.070%
Carbon Tetrachloride0.030%
Lead0.320%
Mercury0.070%

Average monthly Collinsville temperature with heat index

Collinsville monthly precipitation with daily maximum

Collinsville monthly snow depth with daily maximum

Collinsville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bethlehem Village, CT1,8523922%
New Hartford Center, CT1,4093922%
Northwest Harwinton, CT3,1033922%
Terryville, CT5,4313922%
Winsted, CT7,5353922%
Collinsville, CT3,6933922%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Ross, OH3,693548%
Windsor, NC3,694394%
Eastover, NC3,6923726%
Lloyd Harbor, NY3,696476%
Ajo, AZ3,6967448%
Collinsville, CT3,6933922%
Source: The Collinsville, CT 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.