| Month | Average (°F) | Record (°F) | Average (inches) | |||
|---|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | Snow ❄️ | |
| January | 44.5 | 29.7 | 79 | -14 | 2.9 | 4.9 |
| February | 47.8 | 31.4 | 84 | -15 | 2.6 | 5.0 |
| March | 56.2 | 38.2 | 93 | 4 | 3.5 | 2.0 |
| April | 67.5 | 47.8 | 95 | 15 | 3.2 | 0.0 |
| May | 76.0 | 57.6 | 99 | 32 | 3.9 | 0.0 |
| June | 84.7 | 67.0 | 104 | 43 | 4.2 | 0.0 |
| July | 89.1 | 72.0 | 106 | 52 | 4.3 | 0.0 |
| August | 87.3 | 70.5 | 106 | 49 | 3.3 | 0.0 |
| September | 80.3 | 63.7 | 104 | 36 | 3.9 | 0.0 |
| October | 68.9 | 51.7 | 98 | 26 | 3.7 | 0.0 |
| November | 57.8 | 41.3 | 86 | 11 | 2.9 | 0.1 |
| December | 48.3 | 34.0 | 79 | -13 | 3.4 | 1.7 |
| Entire year | 67.5 | 50.5 | 106 | -15 | 41.8 | 13.7 |
|
More Washington D.C. Weather Records
1851–2023
|
||
|---|---|---|
| Highest daily low | 84 °F | July 24, 2011 |
| Lowest daily high | 4 °F | February 10, 1899 |
| Greatest daily range (Difference of high and low) |
50 °F | March 22, 1907 |
| Difference in high temperature over two conscutive days |
41 °F | Mar 18–19, 1934 |
| Most daily precipitation | 6.4 inches | August 23, 1933 |
| Most monthly precipitation | 17.5 inches | September 1934 |
| Most yearly precipitation | 66.3 inches | 2018 |
| Earliest snow in season | October 10 | 1979 |
| Latest snow in season | April 28 | 1898 |
| Most daily snow | 21.0 inches | January 28, 1922 |
| Most monthly snow | 35.2 inches | February 1899 |
| Most yearly snow | 49.8 inches | 1899 |
| Most snow in a winter | 56.1 inches | 2009–2010 |
| Greatest snow accumulation | 34.0 inches | February 15, 1899 |
| Earliest freeze | October 10 | 1895 |
| Earliest day ≥ 80 °F | February 21 | 2018 |
| Earliest day ≥ 90 °F | March 22 | 1907 |
| Earliest day ≥ 100 °F | June 5 | 1925 |
| Latest freeze | April 29 | 1874 |
| Latest day ≥ 80 °F | November 18 | 1921 |
| Latest day ≥ 90 °F | October 11 | 1919 |
| Latest day ≥ 100 °F | September 8 | 1939 |
| Most days in a year < 0 °F | 5 | 1899 |
| Most days in a year < 32 °F | 113 | 1904 |
| Most days in a year ≥ 80 °F | 136 | 2018 |
| Most days in a year ≥ 90 °F | 67 | 2010 |
| Most days in a year ≥ 100 °F | 11 | 1930 |
|
Washington D.C. Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 15 days | Apr 27 – May 11, 2016 |
| Without precipitation | 37 days | Feb 20 – Mar 28, 1858 |
| With snow | 5 days | Dec 22–26, 1935 |
| Freezing temperatures High temperature ≤ 32 °F |
12 days | Jan 23 – Feb 3, 1936 |
| High temperature ≥ 80 °F | 84 days | Jun 6 – Aug 28, 1872 |
| High temperature ≥ 90 °F | 21 days | Jul 29 – Aug 18, 1988 |
| High temperature ≥ 100 °F | 4 days | Jul 5–8, 2012 |