All-time weather records — Round Hill, VA

Record high
109.9°F
June 11, 1997
Record low
-63.0°F
September 11, 1954
Wettest day
8.26 in
June 21, 1972

Climate change signal in Round Hill

3%

of Round Hill's all-time daily heat records were set in the last decade (11 of 366 records since 2015).

2.5%

of all-time daily cold records were set in the last decade (9 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 #
1900s
25
96
1910s
49
66
1920s
35
21
1930s
90
22
1940s
36
11
1950s
19
11
1960s
16
17
1970s
22
13
1980s
17
30
1990s
30
26
2000s
11
26
2010s
13
26
2020s
3
1

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 1902, the latest in 2026. Period of observation: 1900-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 78.1°F — Jan 15, 1932 -15.0°F — Jan 14, 1912 4.00 in — Jan 31, 2013
February 81.0°F — Feb 22, 2018 -13.0°F — Feb 18, 1903 2.84 in — Feb 6, 2010
March 91.9°F — Mar 23, 1907 -2.0°F — Mar 7, 2015 2.58 in — Mar 29, 2014
April 100.0°F — Apr 26, 1915 10.0°F — Apr 1, 1923 3.34 in — Apr 21, 2008
May 102.0°F — May 22, 1911 27.0°F — May 11, 1906 3.92 in — May 12, 2008
June 109.9°F — Jun 11, 1997 39.0°F — Jun 2, 1916 8.26 in — Jun 21, 1972
July 109.0°F — Jul 10, 1936 28.9°F — Jul 29, 1996 4.55 in — Jul 13, 1964
August 108.0°F — Aug 31, 1932 17.1°F — Aug 2, 1986 5.11 in — Aug 11, 1984
September 108.0°F — Sep 1, 1932 -63.0°F — Sep 11, 1954 4.67 in — Sep 29, 2004
October 98.1°F — Oct 5, 1941 19.0°F — Oct 31, 1904 4.80 in — Oct 9, 1976
November 86.0°F — Nov 1, 1950 5.0°F — Nov 16, 1908 3.39 in — Nov 28, 1993
December 79.0°F — Dec 29, 1984 -11.0°F — Dec 27, 1914 4.27 in — Dec 11, 1992

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