All-time weather records — Dunkirk, NY

Record high
95.0°F
July 11, 2020
Record low
-11.0°F
January 30, 2026
Wettest day
3.77 in
July 25, 2018

Climate change signal in Dunkirk

100%

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

100%

of all-time daily cold records were set in the last decade (366 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 #
2010s
164
178
2020s
202
188

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 2015, the latest in 2026. Period of observation: 2009-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 66.0°F — Jan 12, 2020 -11.0°F — Jan 30, 2026 1.51 in — Jan 17, 2022
February 75.0°F — Feb 25, 2017 -9.9°F — Feb 9, 2026 1.45 in — Feb 10, 2023
March 77.0°F — Mar 20, 2025 5.0°F — Mar 5, 2019 2.22 in — Mar 2, 2018
April 84.9°F — Apr 28, 2017 17.1°F — Apr 8, 2026 1.43 in — Apr 7, 2017
May 90.0°F — May 27, 2020 27.0°F — May 13, 2020 1.26 in — May 2, 2017
June 93.0°F — Jun 11, 2020 39.0°F — Jun 2, 2025 1.30 in — Jun 21, 2019
July 95.0°F — Jul 11, 2020 48.0°F — Jul 3, 2015 3.77 in — Jul 25, 2018
August 93.0°F — Aug 4, 2022 46.0°F — Aug 30, 2025 2.26 in — Aug 10, 2024
September 91.9°F — Sep 6, 2018 35.1°F — Sep 30, 2022 2.01 in — Sep 10, 2018
October 89.1°F — Oct 10, 2018 27.0°F — Oct 27, 2025 2.25 in — Oct 7, 2018
November 80.1°F — Nov 6, 2024 10.9°F — Nov 23, 2018 2.67 in — Nov 6, 2017
December 68.0°F — Dec 15, 2015 -0.9°F — Dec 24, 2022 1.28 in — Dec 1, 2024

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