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Roslyn 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
January7°F26°F15°F0.8"
February10°F27°F17°F1.4"
March24°F44°F32°F2.6"
April35°F58°F45°F6.4"
May49°F71°F58°F6.6"
June60°F80°F69°F8.9"
July62°F85°F73°F5.8"
August58°F82°F68°F7.5"
September53°F78°F63°F5.3"
October40°F63°F50°F6.0"
November26°F46°F34°F2.2"
December11°F26°F18°F1.2"

Did you know?

  • The highest monthly average temperature in Roslyn for July is 73 degrees.
  • The lowest monthly average temperature in Roslyn for January is 15 degrees.
  • The most monthly precipitation in Roslyn occurs in June with 8.9 inches.
  • The air quality index in Roslyn is 27% better than the national average.
  • The pollution index in Roslyn is 94% better than the national average.

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Roslyn 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.
IndexRoslynSouth DakotaNational
Air quality index363650
Pollution index267,939463,9835,066,862

Roslyn air quality information

MeasurementTotal
Days measured361
Days with good air quality278
Days with moderate air quality83
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Roslyn air quality information

PollutantTotal
Arsenic0.000%
Benzene0.004%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Roslyn temperature with heat index

Roslyn monthly precipitation with daily maximum

Roslyn monthly snow depth with daily maximum

Roslyn monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bristol, SD3502648%
Ortley, SD463628%
Waubay, SD5573628%
Eden, SD1133628%
Webster, SD1,8133628%
Roslyn, SD1973628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Chest Springs, PA1974510%
Mud Bay, AK1971962%
Woodland, AL1973824%
Ford, KS197688%
Organ, NM197512%
Roslyn, SD1973628%
Source: The Roslyn, 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.