TODAY FEB20
TEMPERATURE30
HUMIDITY47
PRESSURE30.35
WIND COND.320 9.2
  • 3222Fri
  • 4226Sat
  • 4929Sun
  • 5035Mon60%
  • 4936Tue60%50%
daynightWeather update from Oxford, Waterbury-Oxford Airport at
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Watertown 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°F36°F28°F3.9"
February21°F37°F29°F4.4"
March29°F46°F37°F7.7"
April39°F59°F48°F9.6"
May49°F68°F58°F9.0"
June57°F76°F66°F12.4"
July63°F81°F72°F9.8"
August61°F79°F70°F7.9"
September55°F73°F63°F6.6"
October44°F62°F53°F10.7"
November35°F51°F43°F4.9"
December27°F41°F34°F3.7"

Did you know?

  • The highest monthly average temperature in Watertown for July is 72 degrees.
  • The lowest monthly average temperature in Watertown for January is 28 degrees.
  • The most monthly precipitation in Watertown occurs in June with 12.4 inches.
  • The air quality index in Watertown is 22% better than the national average.
  • The pollution index in Watertown is 97% better than the national average.

Compare Watertown, CT Weather To Other Cities

Watertown 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.
IndexWatertownConnecticutNational
Air quality index394350
Pollution index161,4277,127,5315,066,862

Watertown 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

Watertown air quality information

PollutantTotal
Arsenic0.000%
Benzene0.002%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Watertown temperature with heat index

Watertown monthly precipitation with daily maximum

Watertown monthly snow depth with daily maximum

Watertown monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bethlehem Village, CT1,8523922%
Litchfield, CT1,3293922%
Terryville, CT5,4313922%
Woodbury Center, CT1,5203922%
Bristol, CT60,4373922%
Watertown, CT3,3513922%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Lebanon, VA3,3514510%
Treasure Lake, PA3,3513334%
Dover Base Housing, DE3,3523824%
Barron, WI3,349355610%
Islandia, NY3,349476%
Watertown, CT3,3513922%
Source: The Watertown, 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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