All-time weather records — Morrilton, AR

Record high
115.0°F
July 31, 1986
Record low
-15.0°F
February 2, 1951
Wettest day
7.10 in
May 16, 2003

Climate change signal in Morrilton

10.7%

of Morrilton's all-time daily heat records were set in the last decade (39 of 366 records since 2015).

5.5%

of all-time daily cold records were set in the last decade (20 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 #
1910s
1
·
1920s
21
12
1930s
47
22
1940s
48
55
1950s
65
31
1960s
36
36
1970s
21
34
1980s
46
50
1990s
7
50
2000s
13
39
2010s
37
20
2020s
24
17

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 1919, the latest in 2026. Period of observation: 1919-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 82.0°F — Jan 1, 1952 -7.1°F — Jan 8, 1942 4.54 in — Jan 30, 1969
February 88.0°F — Feb 15, 1945 -15.0°F — Feb 2, 1951 3.70 in — Feb 21, 1945
March 93.0°F — Mar 31, 1974 9.0°F — Mar 3, 1943 4.55 in — Mar 19, 2008
April 96.1°F — Apr 9, 1965 24.1°F — Apr 8, 2007 5.11 in — Apr 11, 1995
May 100.9°F — May 29, 1926 34.0°F — May 1, 2014 7.10 in — May 16, 2003
June 109.0°F — Jun 20, 1936 46.9°F — Jun 13, 1985 3.86 in — Jun 17, 1935
July 115.0°F — Jul 31, 1986 48.9°F — Jul 23, 1947 6.54 in — Jul 9, 2024
August 115.0°F — Aug 4, 2011 43.0°F — Aug 29, 1986 6.08 in — Aug 13, 1957
September 109.0°F — Sep 1, 2000 34.0°F — Sep 22, 1983 5.10 in — Sep 22, 1965
October 96.1°F — Oct 1, 1953 23.0°F — Oct 29, 1952 5.22 in — Oct 7, 1930
November 90.0°F — Nov 2, 1927 10.0°F — Nov 2, 1927 6.27 in — Nov 27, 1985
December 80.1°F — Dec 4, 2021 -6.0°F — Dec 25, 1983 4.60 in — Dec 24, 2009

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