TODAY DEC13
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 4729Thu
  • 5233Fri
  • 5227Sat
  • 5232Sun
  • 5631Mon
daynightWeather update from ROUNDUP at

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Roundup 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
January17°F39°F27°F0.5"
February19°F43°F29°F0.5"
March27°F54°F39°F1.1"
April34°F61°F46°F1.7"
May42°F70°F55°F3.0"
June51°F81°F65°F1.7"
July59°F92°F75°F0.9"
August56°F89°F72°F1.0"
September48°F79°F62°F1.6"
October38°F63°F49°F1.7"
November27°F50°F37°F0.8"
December16°F36°F25°F0.9"

Did you know?

  • The highest monthly average temperature in Roundup for July is 75 degrees.
  • The lowest monthly average temperature in Roundup for December is 25 degrees.
  • The most monthly precipitation in Roundup occurs in May with 3 inches.
  • The air quality index in Roundup is 51% better than the national average.
  • The pollution index in Roundup is 97% better than the national average.

Real Estate Listings In Roundup

Compare Roundup, MT Weather To Other Cities

Roundup 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.
IndexRoundupMontanaNational
Air quality index243450
Pollution index143,915685,9255,066,862

Roundup air quality information

MeasurementTotal
Days measured365
Days with good air quality340
Days with moderate air quality24
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

Roundup air quality information

PollutantTotal
Arsenic0.000%
Benzene0.003%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Roundup temperature with heat index

Roundup monthly precipitation with daily maximum

Roundup monthly snow depth with daily maximum

Roundup monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Klein, MT1982452%
Camp Three, MT1032452%
Roundup, MT1,8242452%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Remsen, IA1,8244118%
Brodheadsville, PA1,8243922%
Berino, NM1,824512%
Manson, IA1,8253726%
Fairchance, PA1,8253040%
Roundup, MT1,8242452%
Source: The Roundup, MT 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.