TODAY DEC05
TEMPERATURE36
HUMIDITY79
PRESSURE29.66
WIND COND.210 4.7
  • 3620Fri40%30%
  • 3118Sat
  • 3935Sun30%
  • 5146Mon50%60%
  • 5735Tue60%40%
daynightWeather update from Hartford, Hartford-Brainard Airport at
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Hartford 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
January21°F39°F30°F2.9"
February21°F40°F31°F3.1"
March29°F49°F39°F3.5"
April40°F63°F51°F4.2"
May50°F73°F61°F3.8"
June60°F81°F70°F5.1"
July66°F86°F76°F4.5"
August64°F84°F73°F4.1"
September57°F78°F67°F3.5"
October46°F66°F55°F5.2"
November35°F54°F44°F3.3"
December27°F43°F35°F4.2"

Did you know?

  • The highest monthly average temperature in Hartford for July is 76 degrees.
  • The lowest monthly average temperature in Hartford for January is 30 degrees.
  • The most monthly precipitation in Hartford occurs in October with 5.2 inches.
  • The air quality index in Hartford is 8% better than the national average.
  • The pollution index in Hartford is 45% better than the national average.

Compare Hartford, CT Weather To Other Cities

Hartford 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.
IndexHartfordConnecticutNational
Air quality index464350
Pollution index2,806,1507,127,5315,066,862

Hartford air quality information

MeasurementTotal
Days measured365
Days with good air quality216
Days with moderate air quality138
Days w/ poor A.Q. for sensitive groups10
Days with unhealthy air quality1

Hartford air quality information

PollutantTotal
Arsenic0.004%
Benzene0.030%
Carbon Tetrachloride0.010%
Lead0.040%
Mercury0.010%

Average monthly Hartford temperature with heat index

Hartford monthly precipitation with daily maximum

Hartford monthly snow depth with daily maximum

Hartford monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Collinsville, CT3,6933922%
Southwood Acres, CT7,7853922%
New Hartford Center, CT1,4093922%
Bristol, CT60,4373922%
Kensington, CT8,528468%
Hartford, CT124,320468%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
East Los Angeles, CA124,1917448%
Kent, WA125,492492%
Lafayette, LA125,8084412%
Santa Clara, CA122,725484%
Abilene, TX122,6123334%
Hartford, CT124,320468%
Source: The Hartford, 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.
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