Signal Mountain, TN Weather - Forecast & Monthly Averages

TEMPERATURE	42
HUMIDITY	53
PRESSURE	101290
WIND COND.	290 13

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Weather Quick Facts

The highest monthly average temperature in Signal Mountain for August is 79.7 degrees
The lowest monthly average temperature in Signal Mountain for January is 41.2 degrees
The most monthly precipitation in Signal Mountain occurs in December with 6.5 inches
The air quality index in Signal Mountain is 9% worse than the national average
The pollution index in Signal Mountain is 90% better than the national average

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Signal Mountain 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	31°F	54°F	41°F	5.0"
February	32°F	57°F	44°F	3.9"
March	41°F	67°F	53°F	4.8"
April	49°F	77°F	62°F	6.0"
May	57°F	83°F	69°F	3.7"
June	66°F	91°F	78°F	3.4"
July	70°F	92°F	80°F	5.5"
August	70°F	92°F	80°F	4.2"
September	63°F	87°F	73°F	4.5"
October	50°F	76°F	62°F	4.3"
November	38°F	65°F	51°F	4.5"
December	35°F	56°F	45°F	6.5"

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Signal Mountain 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	Signal Mountain	Tennessee	National
Air quality index	46	76	42
Pollution index	271,356	2,454,916	2,726,193

Signal Mountain air quality

Measurement	Total
Days measured	365
Days with good air quality	230
Days with moderate air quality	135
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.004%
Carbon Tetrachloride	0.001%
Lead	0.000%
Mercury	0.000%

Average monthly Signal Mountain temperature with heat index

Signal Mountain monthly precipitation with daily maximum

Signal Mountain monthly snow depth with daily maximum

Signal Mountain monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Indian Springs, GA	2,172	46	8.0%
Chattanooga, TN	181,370	46	8.0%
Harrison, TN	8,485	46	8.0%
Middle Valley, TN	12,100	46	8.0%
Soddy-Daisy, TN	13,510	46	8.0%
Signal Mountain, TN	8,574	46	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Berthoud, CO	8,574	48	4.0%
Mount Pleasant, IA	8,574	29	42.0%
Stony Brook University, NY	8,574	43	14.0%
Hailey, ID	8,575	20	60.0%
Otterburn Park, QC	8,571	n/a
Signal Mountain, TN	8,574	46	8.0%

Source: The Signal Mountain, TN 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.