TODAY AUG16
TEMPERATURE60
HUMIDITY75
PRESSURE
WIND COND.
  • 9563Fri
  • 9159Sat40%
  • 7853Sun
  • 7451Mon30%
  • 8052Tue
daynightWeather update from Sidney-Richland at

Sidney Average Weather

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
January9°F29°F18°F0.7"
February10°F31°F19°F1.0"
March22°F46°F32°F1.1"
April32°F59°F44°F3.5"
May43°F70°F55°F7.0"
June52°F80°F65°F5.2"
July59°F88°F72°F3.7"
August56°F86°F69°F3.6"
September46°F76°F59°F3.6"
October34°F59°F45°F2.2"
November20°F43°F30°F1.0"
December8°F27°F17°F0.8"

Did you know?

  • The highest monthly average temperature in Sidney for July is 72 degrees.
  • The lowest monthly average temperature in Sidney for December is 17 degrees.
  • The most monthly precipitation in Sidney occurs in May with 7 inches.
  • The air quality index in Sidney is 17% better than the national average.
  • The pollution index in Sidney is 93% better than the national average.

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Compare Sidney, MT Weather To Other Cities

Sidney 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.
IndexSidneyMontanaNational
Air quality index413450
Pollution index330,429685,9255,066,862

Sidney air quality information

MeasurementTotal
Days measured365
Days with good air quality248
Days with moderate air quality97
Days w/ poor A.Q. for sensitive groups12
Days with unhealthy air quality8

Sidney air quality information

PollutantTotal
Arsenic0.000%
Benzene0.005%
Carbon Tetrachloride0.000%
Lead0.000%
Mercury0.000%

Average monthly Sidney temperature with heat index

Sidney monthly precipitation with daily maximum

Sidney monthly snow depth with daily maximum

Sidney monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Crane, MT2514118%
Fairview, MT7804118%
East Fairview, ND654118%
Sidney, MT6,4074118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Gladewater, TX6,4073334%
Farr West, UT6,406492%
Bartonville, IL6,406484%
Blue Bell, PA6,4035714%
Quantico Base, VA6,402492%
Sidney, MT6,4074118%
Source: The Sidney, 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.