All-time weather records — Dannemora, NY

Record high
107.1°F
July 25, 1917
Record low
-38.9°F
February 4, 2023
Wettest day
5.27 in
March 7, 1920

Climate change signal in Dannemora

13.1%

of Dannemora's all-time daily heat records were set in the last decade (48 of 366 records since 2015).

3.3%

of all-time daily cold records were set in the last decade (12 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
5
19
1910s
46
66
1920s
23
65
1930s
22
38
1940s
59
36
1950s
33
21
1960s
22
27
1970s
24
29
1980s
25
32
1990s
22
9
2000s
22
8
2010s
33
13
2020s
30
3

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 1906, the latest in 2025. Period of observation: 1906-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 64.9°F — Jan 9, 1937 -34.1°F — Jan 4, 1981 2.79 in — Jan 9, 1998
February 66.9°F — Feb 21, 2018 -38.9°F — Feb 4, 2023 2.32 in — Feb 17, 1954
March 79.0°F — Mar 21, 2012 -22.0°F — Mar 7, 1989 5.27 in — Mar 7, 1920
April 88.0°F — Apr 18, 2002 -0.9°F — Apr 1, 1923 2.30 in — Apr 9, 2000
May 93.9°F — May 21, 1911 18.0°F — May 9, 1983 2.70 in — May 26, 2013
June 97.0°F — Jun 11, 1947 30.0°F — Jun 1, 1945 3.05 in — Jun 25, 2013
July 107.1°F — Jul 25, 1917 39.9°F — Jul 20, 1984 3.40 in — Jul 11, 1970
August 98.1°F — Aug 11, 1944 30.9°F — Aug 31, 2007 3.30 in — Aug 28, 2011
September 95.0°F — Sep 4, 1961 25.0°F — Sep 29, 1980 4.55 in — Sep 17, 1999
October 88.0°F — Oct 2, 1950 12.9°F — Oct 19, 1922 3.09 in — Oct 22, 1995
November 75.0°F — Nov 1, 2024 -8.0°F — Nov 22, 2018 3.64 in — Nov 9, 1996
December 91.0°F — Dec 29, 1989 -36.0°F — Dec 29, 1933 2.41 in — Dec 13, 1983

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