Southwest Harbor, ME Weather - Forecast & Monthly Averages

TEMPERATURE	15
HUMIDITY
PRESSURE	102680
WIND COND.	340 16.6

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Weather Quick Facts

The highest monthly average temperature in Southwest Harbor for July is 66.8 degrees
The lowest monthly average temperature in Southwest Harbor for January is 23.9 degrees
The most monthly precipitation in Southwest Harbor occurs in October with 7.6 inches
The air quality index in Southwest Harbor is 14% better than the national average
The pollution index in Southwest Harbor is 19% worse than the national average

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Southwest Harbor Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	16°F	33°F	24°F	4.5"
February	16°F	33°F	24°F	5.0"
March	23°F	41°F	32°F	4.4"
April	34°F	52°F	43°F	4.7"
May	44°F	62°F	52°F	5.9"
June	52°F	69°F	60°F	6.7"
July	59°F	76°F	67°F	6.3"
August	57°F	75°F	66°F	5.4"
September	51°F	69°F	60°F	7.3"
October	42°F	58°F	50°F	7.6"
November	32°F	47°F	40°F	7.5"
December	22°F	37°F	29°F	5.4"

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Southwest Harbor 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.
Index	Southwest Harbor	Maine	National
Air quality index	36	33	42
Pollution index	3,235,100	3,417,521	2,726,193

Southwest Harbor air quality

Measurement	Total
Days measured	213
Days with good air quality	204
Days with moderate air quality	9
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.030%
Benzene	0.030%
Carbon Tetrachloride	0.010%
Lead	0.020%
Mercury	0.010%

Average monthly Southwest Harbor temperature with heat index

Southwest Harbor monthly precipitation with daily maximum

Southwest Harbor monthly snow depth with daily maximum

Southwest Harbor monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Bar Harbor, ME	2,163	31	38.0%
Blue Hill, ME	1,216	31	38.0%
Winter Harbor, ME	337	31	38.0%
Southwest Harbor, ME	626	36	28.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Morganza, LA	626	45	10.0%
Leawood, MO	626	37	26.0%
Polvadera, NM	626	53	6.0%
Seven Valleys, PA	626	41	18.0%
Harrah, WA	626	38	24.0%
Southwest Harbor, ME	626	36	28.0%

Source: The Southwest Harbor, 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.