TODAY OCT20
TEMPERATURE61
HUMIDITY48
PRESSURE29.54
WIND COND.
  • 4829Sun
  • 4836Mon
  • 5338Tue30%30%
  • 5231Wed
  • 4929Thu
daynightWeather update from Manchester Airport at
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Derry 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°F36°F26°F2.5"
February18°F38°F27°F3.0"
March27°F46°F36°F3.6"
April38°F61°F49°F3.3"
May48°F71°F59°F3.9"
June58°F79°F68°F4.6"
July64°F85°F74°F3.8"
August61°F83°F72°F4.3"
September55°F76°F65°F3.9"
October44°F64°F53°F5.4"
November33°F52°F42°F3.1"
December24°F40°F31°F3.6"

Did you know?

  • The highest monthly average temperature in Derry for July is 74 degrees.
  • The lowest monthly average temperature in Derry for January is 26 degrees.
  • The most monthly precipitation in Derry occurs in October with 5.4 inches.
  • The air quality index in Derry is 27% better than the national average.
  • The pollution index in Derry is 30% worse than the national average.

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Derry 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.
IndexDerryNew HampshireNational
Air quality index363450
Pollution index6,602,8103,853,7475,066,862

Derry air quality information

MeasurementTotal
Days measured365
Days with good air quality327
Days with moderate air quality38
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Derry air quality information

PollutantTotal
Arsenic0.010%
Benzene0.070%
Carbon Tetrachloride0.020%
Lead0.060%
Mercury0.010%

Average monthly Derry temperature with heat index

Derry monthly precipitation with daily maximum

Derry monthly snow depth with daily maximum

Derry monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Lawrence, MA79,3373628%
East Merrimack, NH3,9203628%
Hudson, NH7,9613628%
Pinardville, NH5,1103628%
Methuen Town, MA49,0433628%
Derry, NH22,3923628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Benbrook, TX22,4033334%
Woodlawn, VA22,413492%
Ramona, CA22,3466122%
Chalmette, LA22,3454510%
Anniston, AL22,4413824%
Derry, NH22,3923628%
Source: The Derry, NH 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.