TODAY JUL17
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 8257Wed
  • 8363Thu
  • 8265Fri30%
  • 8265Sat30%70%
  • 8363Sun40%40%
daynightWeather update from Virginia Tech Airport at

Merrimac 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
January-2°F70°F36°Fn/a
February7°F70°F36°Fn/a
March9°F82°F45°Fn/a
April23°F88°F54°Fn/a
May30°F88°F61°Fn/a
June48°F93°F70°Fn/a
July50°F93°F72°Fn/a
August46°F97°F73°Fn/a
September37°F91°F65°Fn/a
October27°F88°F55°Fn/a
November16°F79°F45°Fn/a
December9°F72°F37°Fn/a

Did you know?

  • The highest monthly average temperature in Merrimac for August is 73 degrees.
  • The lowest monthly average temperature in Merrimac for February is 36 degrees.
  • The most monthly precipitation in Merrimac occurs in January with 0 inches.
  • The air quality index in Merrimac is 29% better than the national average.
  • The pollution index in Merrimac is 95% better than the national average.

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Compare Merrimac, VA Weather To Other Cities

Merrimac 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.
IndexMerrimacVirginiaNational
Air quality index355850
Pollution index243,9021,533,7925,066,862

Merrimac air quality information

MeasurementTotal
Days measured362
Days with good air quality358
Days with moderate air quality4
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Merrimac air quality information

PollutantTotal
Arsenic0.020%
Benzene0.003%
Carbon Tetrachloride0.001%
Lead0.020%
Mercury0.000%

Average monthly Merrimac temperature with heat index

Merrimac monthly precipitation with daily maximum

Merrimac monthly snow depth with daily maximum

Merrimac monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Christiansburg, VA21,7993530%
Lafayette, VA7213530%
Plum Creek, VA1,4283530%
Shawsville, VA1,4203530%
Belspring, VA1733530%
Merrimac, VA2,1103530%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Trinity, AL2,1103726%
East McKeesport, PA2,1115612%
Kensington, MD2,111492%
Stratford, TX2,1114020%
Jefferson, MD2,1124118%
Merrimac, VA2,1103530%
Source: The Merrimac, VA 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.