All-time weather records — Risco, MO

Record high
108.0°F
June 30, 2012
Record low
-15.0°F
January 10, 1982
Wettest day
8.16 in
September 23, 2006

Climate change signal in Risco

14.8%

of Risco's all-time daily heat records were set in the last decade (54 of 366 records since 2015).

9.3%

of all-time daily cold records were set in the last decade (34 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 #
1960s
77
118
1970s
43
67
1980s
78
69
1990s
46
38
2000s
31
25
2010s
70
34
2020s
21
15

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 1961, the latest in 2026. Period of observation: 1960-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 75.0°F — Jan 24, 1967 -15.0°F — Jan 10, 1982 4.72 in — Jan 2, 1966
February 81.0°F — Feb 14, 1962 -4.0°F — Feb 16, 2021 7.30 in — Feb 24, 1999
March 86.0°F — Mar 30, 2026 1.0°F — Mar 6, 2015 4.65 in — Mar 29, 1975
April 93.9°F — Apr 19, 2006 24.1°F — Apr 7, 1982 5.80 in — Apr 5, 2025
May 96.1°F — May 22, 1998 35.1°F — May 1, 1963 4.85 in — May 2, 2011
June 108.0°F — Jun 30, 2012 45.0°F — Jun 1, 1972 5.78 in — Jun 27, 2019
July 108.0°F — Jul 17, 1980 52.0°F — Jul 31, 1971 4.10 in — Jul 11, 1978
August 106.0°F — Aug 4, 2010 46.9°F — Aug 29, 1986 3.50 in — Aug 30, 1978
September 100.9°F — Sep 10, 1980 36.0°F — Sep 29, 1967 8.16 in — Sep 23, 2006
October 93.9°F — Oct 3, 2019 23.0°F — Oct 24, 1981 4.23 in — Oct 6, 1998
November 87.1°F — Nov 1, 1968 12.0°F — Nov 29, 1976 4.83 in — Nov 5, 1998
December 77.0°F — Dec 3, 1982 -7.1°F — Dec 22, 1989 5.15 in — Dec 22, 1984

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