Jefferson, SD Weather - Forecast & Monthly Averages

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TEMPERATURE	54
HUMIDITY	35
PRESSURE	101930.3
WIND COND.	350 25.9

Weather Quick Facts

The highest monthly average temperature in Jefferson for July is 76 degrees
The lowest monthly average temperature in Jefferson for January is 21 degrees
The most monthly precipitation in Jefferson occurs in August with 5.6 inches
The air quality index in Jefferson is 17% better than the national average
The pollution index in Jefferson is 85% better than the national average

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Jefferson 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	10°F	33°F	21°F	0.7"
February	13°F	38°F	24°F	0.8"
March	26°F	53°F	38°F	1.5"
April	37°F	66°F	51°F	3.5"
May	48°F	77°F	62°F	4.2"
June	59°F	86°F	72°F	4.9"
July	63°F	89°F	76°F	3.5"
August	60°F	86°F	73°F	5.6"
September	51°F	81°F	65°F	3.1"
October	38°F	68°F	52°F	3.0"
November	25°F	53°F	38°F	1.1"
December	13°F	36°F	24°F	1.7"

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Jefferson 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	Jefferson	South Dakota	National
Air quality index	35	36	42
Pollution index	397,267	345,623	2,726,193

Jefferson air quality

Measurement	Total
Days measured	364
Days with good air quality	322
Days with moderate air quality	42
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.000%
Benzene	0.010%
Carbon Tetrachloride	0.001%
Lead	0.000%
Mercury	0.000%

Average monthly Jefferson temperature with heat index

Jefferson monthly precipitation with daily maximum

Jefferson monthly snow depth with daily maximum

Jefferson monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Sergeant Bluff, IA	5,066	35	30.0%
Ponca, NE	978	35	30.0%
North Sioux City, SD	2,944	35	30.0%
Richland, SD	160	35	30.0%
Sioux City, IA	85,304	35	30.0%
Jefferson, SD	692	35	30.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Lenox, GA	692	35	30.0%
Rose City, MI	692	26	48.0%
Brandon, MN	692	29	42.0%
Clear Lake, MN	692	32	36.0%
Bevier, MO	692	38	24.0%
Jefferson, SD	692	35	30.0%

Source: The Jefferson, 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.