TODAY OCT21
TEMPERATURE62
HUMIDITY34
PRESSURE30.03
WIND COND.350 6.9
  • 5625Mon
  • 5234Tue
  • 5340Wed20%40%
  • 5538Thu30%
  • 5537Fri
daynightWeather update from Mobridge, Mobridge Municipal Airport at
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Eureka Average Temperature

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
January6°F27°F15°F0.6"
February10°F31°F19°F0.9"
March27°F51°F36°F2.8"
April35°F60°F46°F3.6"
May47°F72°F58°F6.9"
June58°F81°F68°F3.9"
July63°F93°F76°F1.9"
August59°F88°F71°F6.5"
September52°F81°F63°F2.5"
October39°F64°F48°F4.8"
November24°F48°F34°F0.4"
December11°F31°F20°F1.9"

Did you know?

  • The highest monthly average temperature in Eureka for July is 76 degrees.
  • The lowest monthly average temperature in Eureka for January is 15 degrees.
  • The most monthly precipitation in Eureka occurs in May with 6.9 inches.
  • The air quality index in Eureka is 47% better than the national average.
  • The pollution index in Eureka is 97% better than the national average.

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Eureka 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.
IndexEurekaSouth DakotaNational
Air quality index263650
Pollution index108,405463,9835,066,862

Eureka air quality information

MeasurementTotal
Days measured121
Days with good air quality100
Days with moderate air quality21
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Eureka air quality information

PollutantTotal
Arsenic0.000%
Benzene0.001%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Eureka temperature with heat index

Eureka monthly precipitation with daily maximum

Eureka monthly snow depth with daily maximum

Eureka monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Hillsview, SD02648%
Hosmer, SD2462648%
Artas, SD62648%
Zeeland, ND1023432%
Eureka, SD8982648%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Oakland, IL8983628%
Gorman, TX8983334%
Medley, FL8984118%
Greens Landing, PA898285470%
Derma, MS8983334%
Eureka, SD8982648%
Source: The Eureka, 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.