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Prospect Hill 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
January23°F40°F32°F2.6"
February23°F41°F32°F2.8"
March30°F48°F39°F3.4"
April40°F60°F50°F4.5"
May50°F69°F59°F3.8"
June60°F78°F68°F4.7"
July66°F84°F75°F3.1"
August64°F82°F74°F3.7"
September58°F77°F67°F3.2"
October47°F66°F57°F4.5"
November37°F55°F46°F2.9"
December30°F45°F37°F4.2"

Did you know?

  • The highest monthly average temperature in Prospect Hill for July is 75 degrees.
  • The lowest monthly average temperature in Prospect Hill for January is 32 degrees.
  • The most monthly precipitation in Prospect Hill occurs in June with 4.7 inches.
  • The air quality index in Prospect Hill is 1% better than the national average.
  • The pollution index in Prospect Hill is 186% worse than the national average.

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Prospect Hill 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.
IndexProspect HillNew HavenConnecticut
Air quality index494943
Pollution index14,500,30014,500,3007,127,531

Prospect Hill air quality information

MeasurementTotal
Days measured365
Days with good air quality194
Days with moderate air quality161
Days w/ poor A.Q. for sensitive groups10
Days with unhealthy air quality

Prospect Hill air quality information

PollutantTotal
Arsenic0.030%
Benzene0.140%
Carbon Tetrachloride0.050%
Lead0.080%
Mercury0.060%

Average monthly Prospect Hill temperature with heat index

Prospect Hill monthly precipitation with daily maximum

Prospect Hill monthly snow depth with daily maximum

Prospect Hill monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Meriden, CT60,203468%
Trumbull, CT36,477476%
Milford city, CT52,005476%
Bridgeport, CT147,022476%
Stratford, CT52,300476%
New Haven, CT130,405492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Thornton, CO130,511548%
Waco, TX130,6593922%
Charleston, SC129,8883628%
Enterprise, NV129,620548%
Cedar Rapids, IA129,5374216%
New Haven, CT130,405492%
Source: The Prospect Hill, New Haven, 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.