Washington DC's average temperature over the last 30 years is around 14.1°C. Jul is typically the hottest month and Jan the coldest, with total annual rainfall averaging about 1156 mm.
| Year | Max Temp | Min Temp | Precipitation |
|---|---|---|---|
| 2025 | 40°C | -15°C | 1275 mm |
| 2024 | 37°C | -11°C | 1258 mm |
| 2023 | 38°C | -9°C | 1117 mm |
| 2022 | 35°C | -14°C | 1490 mm |
| 2021 | 36°C | -8°C | 1353 mm |
| 2020 | 37°C | -7°C | 1896 mm |
| 2019 | 38°C | -14°C | 1206 mm |
| 2018 | 35°C | -16°C | 2103 mm |
| 2017 | 36°C | -11°C | 1122 mm |
| 2016 | 38°C | -11°C | 1072 mm |
| 2015 | 35°C | -22°C | 957 mm |
| 2014 | 36°C | -19°C | 1004 mm |
| 2013 | 36°C | -9°C | 1083 mm |
| 2012 | 41°C | -8°C | 856 mm |
| 2011 | 40°C | -10°C | 1265 mm |
| 2010 | 40°C | -16°C | 1014 mm |
| 2009 | 36°C | -18°C | 1185 mm |
| 2008 | 37°C | -13°C | 1083 mm |
| 2007 | 38°C | -16°C | 787 mm |
| 2006 | 38°C | -13°C | 1086 mm |
| 2005 | 38°C | -16°C | 1029 mm |
| 2004 | 34°C | -16°C | 1140 mm |
| 2003 | 33°C | -15°C | 1311 mm |
| 2002 | 37°C | -15°C | 965 mm |
| 2001 | 36°C | -8°C | 869 mm |
| 2000 | 34°C | -16°C | 902 mm |
| 1999 | 39°C | -9°C | 972 mm |
| 1998 | 36°C | -9°C | 961 mm |
| 1997 | 37°C | -13°C | 886 mm |
| 1996 | 33°C | -23°C | 1446 mm |
| Month | Avg High | Avg Low | Rainfall |
|---|---|---|---|
| Jan | 6°C | -2°C | 80 mm |
| Feb | 8°C | -1°C | 76 mm |
| Mar | 13°C | 2°C | 92 mm |
| Apr | 19°C | 8°C | 91 mm |
| May | 24°C | 13°C | 110 mm |
| Jun | 29°C | 18°C | 102 mm |
| Jul | 31°C | 21°C | 121 mm |
| Aug | 30°C | 20°C | 109 mm |
| Sep | 26°C | 17°C | 120 mm |
| Oct | 20°C | 10°C | 88 mm |
| Nov | 13°C | 4°C | 75 mm |
| Dec | 8°C | 0°C | 92 mm |