All-time weather records — Grand Coteau, LA

Record high
107.1°F
August 9, 1935
Record low
0.0°F
March 11, 2013
Wettest day
16.07 in
August 9, 1940

Climate change signal in Grand Coteau

4.9%

of Grand Coteau's all-time daily heat records were set in the last decade (18 of 366 records since 2015).

4.4%

of all-time daily cold records were set in the last decade (16 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
9
16
1900s
38
36
1910s
77
32
1920s
56
23
1930s
51
22
1940s
17
15
1950s
16
34
1960s
14
30
1970s
4
24
1980s
12
40
1990s
14
35
2000s
37
21
2010s
10
32
2020s
11
6

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 1899, the latest in 2023. Period of observation: 1893-2024.

Records by month

Month Hottest day Coldest day Wettest day
January 84.9°F — Jan 20, 1921 10.0°F — Jan 11, 1982 8.40 in — Jan 20, 1993
February 90.0°F — Feb 28, 2001 1.9°F — Feb 13, 1899 7.90 in — Feb 13, 1927
March 90.0°F — Mar 11, 1911 0.0°F — Mar 11, 2013 12.00 in — Mar 12, 2012
April 100.0°F — Apr 28, 2003 30.0°F — Apr 5, 1987 7.65 in — Apr 14, 1967
May 100.0°F — May 30, 1911 42.1°F — May 1, 1908 12.00 in — May 22, 1927
June 105.1°F — Jun 8, 2003 52.0°F — Jun 27, 1974 7.20 in — Jun 4, 1941
July 104.0°F — Jul 13, 1901 57.9°F — Jul 15, 1967 10.00 in — Jul 14, 1989
August 107.1°F — Aug 9, 1935 50.0°F — Aug 15, 2004 16.07 in — Aug 9, 1940
September 106.0°F — Sep 3, 2000 42.1°F — Sep 29, 1967 7.80 in — Sep 24, 2005
October 98.1°F — Oct 8, 1941 6.1°F — Oct 29, 1956 7.76 in — Oct 27, 2006
November 91.0°F — Nov 1, 1934 19.9°F — Nov 30, 1976 6.00 in — Nov 15, 1993
December 86.0°F — Dec 13, 1933 8.1°F — Dec 23, 1989 8.67 in — Dec 26, 1982

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