TODAY JUN23
TEMPERATURE58
HUMIDITY90
PRESSURE29.99
WIND COND.10 5.8
  • 6560Sat60%70%
  • 8162Sun20%60%
  • 7653Mon
  • 7858Tue
  • 8064Wed40%
daynightWeather update from Windsor Locks, Bradley International Airport at

Rockville 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-8°F72°F28°F3.4"
February2°F60°F29°F3.1"
March3°F72°F36°F2.8"
April24°F94°F51°F4.4"
May28°F93°F58°F3.9"
June39°F99°F69°F5.3"
July49°F97°F74°F6.2"
August47°F100°F72°F4.1"
September37°F95°F65°F3.2"
October23°F90°F53°F6.9"
November13°F75°F44°F3.7"
December-2°F67°F32°F4.3"

Did you know?

  • The highest monthly average temperature in Rockville for July is 74 degrees.
  • The lowest monthly average temperature in Rockville for January is 28 degrees.
  • The most monthly precipitation in Rockville occurs in October with 6.9 inches.
  • The air quality index in Rockville is 7% better than the national average.
  • The pollution index in Rockville is 44% better than the national average.

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Compare Rockville, CT Weather To Other Cities

Rockville 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.
IndexRockvilleConnecticutNational
Air quality index464350
Pollution index2,806,1507,127,5315,066,862

Rockville 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

Rockville air quality information

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

Average monthly Rockville temperature with heat index

Rockville monthly precipitation with daily maximum

Rockville monthly snow depth with daily maximum

Rockville monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Mansfield Center, CT9693334%
South Coventry, CT1,1423334%
Storrs, CT16,0593334%
Willimantic, CT17,3393334%
Coventry Lake, CT3,1663334%
Rockville, CT7,178468%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Woodland Park, CO7,1804412%
Mendota, IL7,182198%
Woodlake, VA7,1723922%
Belen, NM7,184512%
Acton, CA7,1707448%
Rockville, CT7,178468%
Source: The Rockville, 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.