All-time weather records — Vienna, VA

Record high
100.0°F
August 18, 2015
Record low
-2.9°F
February 5, 1996
Wettest day
7.10 in
September 14, 1966

Climate change signal in Vienna

39.9%

of Vienna's all-time daily heat records were set in the last decade (146 of 366 records since 2015).

32.8%

of all-time daily cold records were set in the last decade (120 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1920s
·
·
1940s
6
1
1950s
·
·
1960s
·
·
1970s
·
·
1980s
·
·
1990s
47
71
2000s
89
100
2010s
180
136
2020s
44
58

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1948, the latest in 2026. Period of observation: 1925-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.9°F — Jan 27, 2024 1.0°F — Jan 7, 2014 2.11 in — Jan 10, 2024
February 79.0°F — Feb 22, 2018 -2.9°F — Feb 5, 1996 2.43 in — Feb 5, 1998
March 89.1°F — Mar 31, 1998 5.0°F — Mar 4, 2014 2.69 in — Mar 13, 1993
April 91.0°F — Apr 18, 2002 24.1°F — Apr 4, 2013 3.57 in — Apr 21, 2008
May 91.9°F — May 19, 2015 33.1°F — May 10, 2020 4.65 in — May 26, 1997
June 98.1°F — Jun 29, 2014 43.0°F — Jun 2, 2001 6.67 in — Jun 22, 1972
July 98.1°F — Jul 9, 2012 33.1°F — Jul 24, 1997 4.72 in — Jul 23, 1969
August 100.0°F — Aug 18, 2015 50.0°F — Aug 15, 2013 5.20 in — Aug 2, 1944
September 98.1°F — Sep 7, 2014 41.0°F — Sep 18, 2013 7.10 in — Sep 14, 1966
October 91.0°F — Oct 1, 1997 28.9°F — Oct 23, 1997 5.37 in — Oct 8, 2005
November 81.0°F — Nov 5, 2003 17.1°F — Nov 24, 2000 3.08 in — Nov 28, 1993
December 78.1°F — Dec 8, 1998 5.0°F — Dec 24, 2022 2.50 in — Dec 16, 2018

Click a month to see every daily record for that month in Vienna.