All-time weather records — Rockville, MO

Record high
116.1°F
July 14, 1954
Record low
-29.0°F
February 13, 1905
Wettest day
9.15 in
August 13, 1946

Climate change signal in Rockville

4.4%

of Rockville's all-time daily heat records were set in the last decade (16 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 #
1890s
28
31
1900s
34
38
1910s
65
45
1920s
13
16
1930s
52
24
1940s
16
31
1950s
62
36
1960s
29
24
1970s
13
38
1980s
16
38
1990s
10
26
2000s
7
5
2010s
13
6
2020s
8
8

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 1893, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 77.0°F — Jan 24, 1950 -22.0°F — Jan 18, 1930 4.50 in — Jan 11, 2011
February 82.9°F — Feb 1, 1911 -29.0°F — Feb 13, 1905 2.55 in — Feb 21, 1997
March 91.9°F — Mar 19, 1907 -7.1°F — Mar 12, 1948 3.73 in — Mar 5, 2004
April 93.9°F — Apr 12, 1972 12.9°F — Apr 5, 1920 4.82 in — Apr 28, 1994
May 100.0°F — May 30, 1934 26.1°F — May 4, 1907 5.50 in — May 18, 1943
June 108.0°F — Jun 29, 1952 41.0°F — Jun 5, 1897 4.48 in — Jun 4, 1943
July 116.1°F — Jul 14, 1954 46.0°F — Jul 6, 1972 5.86 in — Jul 1, 2007
August 111.9°F — Aug 9, 1936 44.1°F — Aug 29, 1988 9.15 in — Aug 13, 1946
September 107.1°F — Sep 6, 1913 28.9°F — Sep 27, 1942 6.39 in — Sep 14, 1998
October 100.0°F — Oct 13, 1899 18.0°F — Oct 23, 1937 9.10 in — Oct 3, 1986
November 90.0°F — Nov 1, 1915 1.0°F — Nov 15, 1940 3.40 in — Nov 8, 2011
December 78.1°F — Dec 26, 2025 -22.0°F — Dec 23, 1989 3.17 in — Dec 2, 1982

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