All-time weather records — Hammond, MN

Record high
104.0°F
August 1, 1988
Record low
-44.0°F
January 18, 1967
Wettest day
8.00 in
July 1, 1978

Climate change signal in Hammond

27%

of Hammond's all-time daily heat records were set in the last decade (99 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 #
1930s
·
·
1940s
·
·
1950s
·
·
1960s
45
89
1970s
37
77
1980s
73
76
1990s
38
44
2000s
39
30
2010s
59
37
2020s
75
13

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 1962, the latest in 2026. Period of observation: 1938-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 57.0°F — Jan 31, 2025 -44.0°F — Jan 18, 1967 2.65 in — Jan 25, 1967
February 70.0°F — Feb 27, 2024 -40.0°F — Feb 1, 2019 1.57 in — Mar 1, 2012
March 84.0°F — Mar 29, 2025 -27.9°F — Mar 8, 1967 1.78 in — Mar 4, 1989
April 95.0°F — Apr 13, 2023 -0.9°F — Apr 5, 2018 2.60 in — Apr 12, 2001
May 99.0°F — May 29, 2018 3.9°F — May 4, 1990 2.50 in — May 29, 1981
June 102.9°F — Jun 10, 1985 27.0°F — Jun 11, 1996 5.10 in — Jun 13, 1950
July 102.9°F — Jul 31, 1988 39.0°F — Jul 7, 1984 8.00 in — Jul 1, 1978
August 104.0°F — Aug 1, 1988 32.0°F — Aug 14, 1964 7.75 in — Aug 11, 2016
September 99.0°F — Sep 7, 1978 21.9°F — Sep 27, 1991 6.25 in — Sep 23, 2010
October 93.9°F — Oct 4, 1997 7.0°F — Oct 30, 1988 5.46 in — Oct 15, 1966
November 82.0°F — Nov 6, 1996 -17.0°F — Nov 26, 1977 2.45 in — Nov 10, 1975
December 64.0°F — Dec 16, 2021 -38.0°F — Dec 19, 1983 1.38 in — Dec 27, 1982

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