Custer, SD Weather - Forecast & Monthly Averages

TEMPERATURE	48
HUMIDITY	86
PRESSURE	100950
WIND COND.	280 7.6

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Weather Quick Facts

The highest monthly average temperature in Custer for July is 67.4 degrees
The lowest monthly average temperature in Custer for December is 23.4 degrees
The most monthly precipitation in Custer occurs in May with 3.3 inches
The air quality index in Custer is 5% worse than the national average
The pollution index in Custer is 28% better than the national average

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Custer 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	15°F	37°F	25°F	0.4"
February	14°F	36°F	24°F	0.6"
March	23°F	48°F	34°F	1.0"
April	28°F	53°F	39°F	2.4"
May	37°F	61°F	48°F	3.3"
June	47°F	74°F	60°F	2.9"
July	53°F	82°F	67°F	2.7"
August	51°F	80°F	65°F	2.4"
September	43°F	72°F	56°F	1.7"
October	32°F	57°F	43°F	1.3"
November	23°F	46°F	34°F	0.6"
December	13°F	35°F	23°F	0.7"

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Custer 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	Custer	South Dakota	National
Air quality index	44	36	42
Pollution index	1,968,790	345,623	2,726,193

Custer air quality information

Measurement	Total
Days measured	365
Days with good air quality	274
Days with moderate air quality	87
Days w/ poor A.Q. for sensitive groups	4
Days with unhealthy air quality	0

Custer air quality information

Pollutant	Total
Arsenic	0.003%
Benzene	0.030%
Carbon Tetrachloride	0.004%
Lead	0.020%
Mercury	0.010%

Average monthly Custer temperature with heat index

Custer monthly precipitation with daily maximum

Custer monthly snow depth with daily maximum

Custer monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Keystone, SD	542	44	12.0%
Pringle, SD	226	44	12.0%
Hill City, SD	587	44	12.0%
Custer, SD	2,314	44	12.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Mayer, MN	2,313	46	8.0%
Brownsville, PA	2,313	36	28.0%
Brighton, IL	2,315	54	8.0%
Petersburg, IN	2,315	1	98.0%
Collinsville, AL	2,312	39	22.0%
Custer, SD	2,314	44	12.0%

Source: The Custer, SD 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.