Washington, District of Columbia
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January -3° -25.6° (1881) 26.1° (1950) 3.21" 6.2"
February -1° -26.1° (1899) 28.9° (1930) 2.63" 5.2"
March 13° -15.6° (1873) 33.9° (1907) 3.6" 1.6"
April 19° -9.4° (1923) 35° (2002) 2.77" 0"
May 13° 24° 0.6° (1906) 37.2° (1991) 3.82" 0"
June 18° 29° 6.1° (1897) 38.9° (1874) 3.13" 0"
July 21° 31° 11.1° (1933) 41.1° (1930) 3.66" 0"
August 21° 30° 9.4° (1986) 41.1° (1918) 3.44" 0"
September 17° 26° 2.2° (1904) 40° (1881) 3.79" 0"
October 10° 20° -3.3° (1917) 35.6° (1941) 3.22" 0"
November 14° -11.7° (1929) 30° (1974) 3.03" 0.7"
December -25° (1880) 26.1° (1998) 3.05" 1.5"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Sep 1 18.9° 28.9° 10° (1890) 37° (1980) 0.12" NA
Sep 2 18.9° 28.3° 10° (1895) 38° (1980) 0.12" NA
Sep 3 18.9° 28.3° 9° (1909) 37° (1953) 0.12" NA
Sep 4 18.3° 28.3° 9° (1908) 35° (1985) 0.12" NA
Sep 5 18.3° 28.3° 10° (1902) 36° (1881) 0.12" NA
Sep 6 18.3° 27.8° 8° (1909) 37° (1954) 0.13" NA
Sep 7 18.3° 27.8° 8° (1924) 40° (1881) 0.13" NA
Sep 8 17.8° 27.8° 11° (1988) 38° (1939) 0.13" NA
Sep 9 17.8° 27.2° 9° (1901) 37° (1872) 0.13" NA
Sep 10 17.8° 27.2° 7° (1883) 37° (1983) 0.13" NA
Sep 11 17.8° 27.2° 4° (1917) 37° (1983) 0.13" NA
Sep 12 17.2° 27.2° 5° (1917) 36° (1931) 0.13" NA
Sep 13 17.2° 26.7° 7° (1917) 34° (1925) 0.13" NA
Sep 14 17.2° 26.7° 8° (1911) 34° (1981) 0.13" NA
Sep 15 16.7° 26.7° 6° (1902) 36° (1930) 0.13" NA
Sep 16 16.7° 26.1° 7° (1902) 36° (1991) 0.13" NA
Sep 17 16.7° 26.1° 7° (1923) 36° (1991) 0.13" NA
Sep 18 16.1° 26.1° 7° (1937) 33° (1927) 0.13" NA
Sep 19 16.1° 25.6° 7° (1916) 36° (1895) 0.13" NA
Sep 20 16.1° 25.6° 5° (1916) 34° (1895) 0.13" NA
Sep 21 15.6° 25.6° 5° (1956) 36° (1895) 0.13" NA
Sep 22 15.6° 25° 4° (1904) 37° (1895) 0.13" NA
Sep 23 15° 25° 2° (1904) 37° (1895) 0.13" NA
Sep 24 15° 25° 4° (1963) 34° (1970) 0.13" NA
Sep 25 14.4° 24.4° 4° (1963) 35° (1930) 0.12" NA
Sep 26 14.4° 24.4° 3° (1879) 36° (1930) 0.12" NA
Sep 27 14.4° 23.9° 4° (1879) 35° (1998) 0.12" NA
Sep 28 13.9° 23.9° 6° (1947) 33° (1886) 0.12" NA
Sep 29 13.9° 23.9° 5° (1914) 34° (1954) 0.12" NA
Sep 30 13.3° 23.3° 4° (1888) 33° (1986) 0.12" NA
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