All-time weather records — Lisle, NY

Record high
99.0°F
July 22, 2011
Record low
-18.0°F
February 28, 2015
Wettest day
6.75 in
September 8, 2011

Climate change signal in Lisle

76%

of Lisle's all-time daily heat records were set in the last decade (278 of 366 records since 2015).

67.5%

of all-time daily cold records were set in the last decade (247 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
·
·
1950s
·
·
2010s
208
274
2020s
158
92

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 2011, the latest in 2026. Period of observation: 1948-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.0°F — Jan 12, 2020 -16.1°F — Jan 25, 2011 1.27 in — Jan 13, 2018
February 72.0°F — Feb 25, 2017 -18.0°F — Feb 28, 2015 1.14 in — Feb 4, 2022
March 78.1°F — Mar 23, 2012 -17.0°F — Mar 1, 2015 1.35 in — Mar 7, 2011
April 84.9°F — Apr 14, 2023 10.0°F — Apr 5, 2016 2.65 in — Apr 28, 2011
May 90.0°F — May 27, 2020 25.0°F — May 1, 2012 2.74 in — May 1, 2023
June 93.0°F — Jun 24, 2025 37.0°F — Jun 1, 2020 1.74 in — Jun 24, 1950
July 99.0°F — Jul 22, 2011 46.9°F — Jul 1, 2011 2.26 in — Jul 23, 2013
August 93.0°F — Aug 13, 2025 44.1°F — Aug 30, 2025 2.63 in — Aug 9, 2013
September 91.9°F — Sep 9, 2015 32.0°F — Sep 19, 2020 6.75 in — Sep 8, 2011
October 84.9°F — Oct 2, 2019 25.0°F — Oct 14, 2012 2.87 in — Oct 21, 2016
November 77.0°F — Nov 1, 2024 -0.9°F — Nov 23, 2018 2.91 in — Nov 25, 1950
December 66.0°F — Dec 5, 2012 -6.0°F — Dec 17, 2013 2.48 in — Dec 25, 2020

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