All-time weather records — Grand Isle, LA

Record high
100.9°F
August 30, 1954
Record low
16.0°F
January 11, 1962
Wettest day
11.50 in
October 30, 1967

Climate change signal in Grand Isle

0%

of Grand Isle's all-time daily heat records were set in the last decade (0 of 366 records since 2015).

0%

of all-time daily cold records were set in the last decade (0 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 #
1940s
32
20
1950s
217
179
1960s
52
131
1980s
·
·
1990s
·
·
2000s
·
·
2010s
65
36

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 2013. Period of observation: 1947-2015.

Records by month

Month Hottest day Coldest day Wettest day
January 84.9°F — Jan 24, 1962 16.0°F — Jan 11, 1962 8.41 in — Jan 13, 1992
February 82.9°F — Feb 19, 2011 19.0°F — Feb 3, 1951 4.75 in — Feb 25, 1959
March 89.1°F — Mar 30, 2011 32.0°F — Mar 4, 1960 6.23 in — Mar 21, 1985
April 90.0°F — Apr 10, 1954 42.1°F — Apr 11, 1951 9.00 in — Apr 30, 1991
May 96.1°F — May 30, 1953 46.9°F — May 13, 1960 4.69 in — May 30, 2005
June 100.0°F — Jun 27, 1960 61.0°F — Jun 11, 2011 7.40 in — Jun 15, 1985
July 100.0°F — Jul 6, 1962 64.0°F — Jul 26, 1967 6.37 in — Jul 6, 2005
August 100.9°F — Aug 30, 1954 66.9°F — Aug 15, 1962 8.50 in — Aug 12, 1949
September 97.0°F — Sep 3, 1963 54.0°F — Sep 28, 1967 9.16 in — Sep 26, 2002
October 96.1°F — Oct 16, 1960 42.1°F — Oct 16, 1961 11.50 in — Oct 30, 1967
November 89.1°F — Nov 9, 2011 30.0°F — Nov 7, 1959 6.01 in — Nov 1, 1948
December 88.0°F — Dec 3, 1950 26.1°F — Dec 24, 1963 7.09 in — Dec 6, 1953

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