TODAY AUG17
TEMPERATURE82
HUMIDITY79
PRESSURE30.1
WIND COND.190 5.8
  • 8569Sat70%50%
  • 8166Sun50%30%
  • 8169Mon
  • 8369Tue80%80%
  • 8364Wed70%
daynightWeather update from Gaithersburg - Montgomery County Airport at

Ashton-Sandy Spring 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
January24°F41°F31°F4.1"
February26°F44°F34°F5.6"
March34°F55°F43°F6.4"
April44°F68°F55°F6.1"
May55°F76°F64°F9.2"
June63°F84°F72°F6.0"
July66°F87°F76°F5.5"
August64°F85°F73°F7.7"
September58°F79°F67°F7.6"
October46°F67°F55°F9.4"
November36°F55°F44°F5.4"
December30°F46°F37°F6.8"

Did you know?

  • The highest monthly average temperature in Ashton-Sandy Spring for July is 76 degrees.
  • The lowest monthly average temperature in Ashton-Sandy Spring for January is 31 degrees.
  • The most monthly precipitation in Ashton-Sandy Spring occurs in October with 9.4 inches.
  • The air quality index in Ashton-Sandy Spring is 1% better than the national average.
  • The pollution index in Ashton-Sandy Spring is 198% worse than the national average.

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Compare Ashton-Sandy Spring, MD Weather To Other Cities

Ashton-Sandy Spring 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.
IndexAshton-Sandy SpringMarylandNational
Air quality index494350
Pollution index15,133,0006,283,4705,066,862

Ashton-Sandy Spring air quality information

MeasurementTotal
Days measured365
Days with good air quality194
Days with moderate air quality166
Days w/ poor A.Q. for sensitive groups5
Days with unhealthy air quality

Ashton-Sandy Spring air quality information

PollutantTotal
Arsenic0.070%
Benzene0.130%
Carbon Tetrachloride0.060%
Lead0.070%
Mercury0.130%

Average monthly Ashton-Sandy Spring temperature with heat index

Ashton-Sandy Spring monthly precipitation with daily maximum

Ashton-Sandy Spring monthly snow depth with daily maximum

Ashton-Sandy Spring monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Monrovia, MD2264118%
Milford Mill, MD30,650468%
Ellicott City, MD70,780468%
Ilchester, MD26,674468%
Lochearn, MD25,878468%
Ashton-Sandy Spring, MD6,024492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Munford, TN6,0254412%
Maquoketa, IA6,025536%
Waupaca, WI6,0263824%
Pahokee, FL6,0222942%
Estherville, IA6,0271864%
Ashton-Sandy Spring, MD6,024492%
Source: The Ashton-Sandy Spring, MD 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.