TODAY AUG20
TEMPERATURE58
HUMIDITY97
PRESSURE30.15
WIND COND.
  • 7253Mon
  • 7062Tue
  • 7160Wed80%50%
  • 7360Thu
  • 7563Fri
daynightWeather update from Rockland, Knox County Regional Airport at

Rockland 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
January16°F34°F25°F6.6"
February16°F34°F25°F4.8"
March24°F41°F33°F6.1"
April35°F52°F43°F5.2"
May44°F61°F52°F6.0"
June52°F68°F60°F7.2"
July58°F75°F66°F8.7"
August57°F75°F65°F6.7"
September51°F69°F60°F7.8"
October41°F58°F50°F7.9"
November32°F49°F40°F8.2"
December22°F39°F30°F6.2"

Did you know?

  • The highest monthly average temperature in Rockland for July is 66 degrees.
  • The lowest monthly average temperature in Rockland for January is 25 degrees.
  • The most monthly precipitation in Rockland occurs in July with 8.7 inches.
  • The air quality index in Rockland is 29% better than the national average.
  • The pollution index in Rockland is 54% better than the national average.

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Compare Rockland, ME Weather To Other Cities

Rockland 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.
IndexRocklandMaineNational
Air quality index353350
Pollution index2,324,8202,555,8535,066,862

Rockland air quality information

MeasurementTotal
Days measured211
Days with good air quality201
Days with moderate air quality6
Days w/ poor A.Q. for sensitive groups4
Days with unhealthy air quality

Rockland air quality information

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

Average monthly Rockland temperature with heat index

Rockland monthly precipitation with daily maximum

Rockland monthly snow depth with daily maximum

Rockland monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Thomaston, ME1,9103530%
Waldoboro, ME1,1243530%
Camden, ME3,3383530%
Rockland, ME7,2203530%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Riverdale Park, MD7,221492%
Oroville East, CA7,218468%
Delafield, WI7,2183726%
Delphos, OH7,2163040%
Bel Aire, KS7,2143922%
Rockland, ME7,2203530%
Source: The Rockland, ME 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.