All-time weather records — Cass Lake, MN

Record high
104.0°F
July 7, 1988
Record low
-47.9°F
January 20, 1996
Wettest day
6.06 in
July 2, 1975

Climate change signal in Cass Lake

19.4%

of Cass Lake's all-time daily heat records were set in the last decade (71 of 366 records since 2015).

3%

of all-time daily cold records were set in the last decade (11 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
·
·
1910s
·
·
1940s
2
1
1950s
37
69
1960s
51
85
1970s
42
72
1980s
67
84
1990s
40
32
2000s
34
6
2010s
48
10
2020s
45
7

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 1949, the latest in 2026. Period of observation: 1906-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 55.9°F — Jan 6, 2012 -47.9°F — Jan 20, 1996 1.00 in — Jan 6, 1969
February 80.1°F — Feb 21, 1949 -47.9°F — Feb 1, 1996 1.30 in — Feb 18, 1986
March 82.0°F — Mar 18, 1982 -36.9°F — Mar 1, 1962 1.55 in — Mar 31, 1995
April 96.1°F — Apr 22, 1980 -15.0°F — Apr 3, 1954 2.11 in — Apr 11, 2011
May 95.0°F — May 22, 1964 10.0°F — May 1, 1966 3.13 in — May 23, 1962
June 100.0°F — Jun 5, 2021 0.0°F — Jun 11, 1950 4.05 in — Jun 6, 1974
July 104.0°F — Jul 7, 1988 33.1°F — Jul 7, 1984 6.06 in — Jul 2, 1975
August 100.9°F — Aug 8, 1983 19.9°F — Aug 1, 1952 3.63 in — Aug 23, 1978
September 98.1°F — Sep 3, 1983 17.1°F — Sep 22, 1974 4.07 in — Sep 18, 1950
October 91.9°F — Oct 6, 1963 1.9°F — Oct 17, 1952 2.76 in — Oct 3, 1990
November 75.9°F — Nov 5, 2020 -31.0°F — Nov 30, 1964 1.70 in — Nov 12, 2005
December 57.9°F — Dec 3, 1962 -45.9°F — Dec 19, 1983 2.10 in — Dec 23, 1968

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