Current weather conditions temporarily unavailable!
For Sale
For Rent

Find real estate listings

Find rental listings

How would you rate the weather in Capitol Hill?View resultsWrite a review to give others more information about this area.
How would you rate the air quality in Capitol Hill?View resultsWrite a review to give others more information about this area.

Capitol Hill 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
January28°F47°F37°F2.7"
February29°F50°F38°F2.3"
March37°F60°F47°F3.2"
April47°F71°F58°F3.4"
May56°F78°F67°F4.6"
June67°F87°F77°F5.3"
July72°F91°F81°F4.2"
August70°F90°F79°F3.2"
September63°F83°F72°F3.5"
October52°F72°F61°F5.0"
November40°F61°F50°F2.5"
December33°F52°F42°F3.8"

Did you know?

  • The highest monthly average temperature in Capitol Hill for July is 81 degrees.
  • The lowest monthly average temperature in Capitol Hill for January is 37 degrees.
  • The most monthly precipitation in Capitol Hill occurs in June with 5.3 inches.
  • The air quality index in Capitol Hill is 1% better than the national average.
  • The pollution index in Capitol Hill is 10% worse than the national average.

Compare Washington, DC Weather To Other Cities

Capitol Hill 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.
IndexCapitol HillWashingtonDistrict of Columbia
Air quality index494949
Pollution index5,554,0105,554,0105,554,010

Capitol Hill 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

Capitol Hill air quality information

PollutantTotal
Arsenic0.010%
Benzene0.060%
Carbon Tetrachloride0.010%
Lead0.004%
Mercury0.010%

Average monthly Capitol Hill temperature with heat index

Capitol Hill monthly precipitation with daily maximum

Capitol Hill monthly snow depth with daily maximum

Capitol Hill monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Maryland City, MD17,647468%
Aspen Hill, MD52,028492%
Bethesda, MD62,608492%
Brentwood, MD3,144492%
Calverton, MD18,429492%
Washington, DC659,009492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Boston, MA658,279476%
Memphis, TN655,8574412%
Denver, CO663,303548%
Seattle, WA668,849492%
Nashville, TN643,7714510%
Washington, DC659,009492%
Source: The Capitol Hill, Washington, DC 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.
Are you looking to buy or sell?
What style of home are you
What is your
$100K$250K$500K$750K$1M+
When are you looking to
ASAP1-3 mos.3-6 mos.6-9 mos.1 yr+
Connect with top real estate agents
By submitting this form, you consent to receive text messages, emails, and/or calls (may be recorded; and may be direct, autodialed or use pre-recorded/artificial voices even if on the Do Not Call list) from AreaVibes or our partner real estate professionals and their network of service providers, about your inquiry or the home purchase/rental process. Messaging and/or data rates may apply. Consent is not a requirement or condition to receive real estate services. You hereby further confirm that checking this box creates an electronic signature with the same effect as a handwritten signature.