All-time weather records — Duarte, CA

Record high
117.0°F
June 17, 1917
Record low
30.0°F
February 9, 1929
Wettest day
8.25 in
December 31, 1933

Climate change signal in Duarte

4.4%

of Duarte's all-time daily heat records were set in the last decade (16 of 366 records since 2015).

1.1%

of all-time daily cold records were set in the last decade (4 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 #
1910s
6
18
1920s
119
302
1930s
13
13
1940s
·
·
1950s
1
·
1960s
·
·
1970s
·
·
1980s
·
·
1990s
·
·
2000s
·
·
2010s
227
33
2020s
·
·

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 1917, the latest in 2015. Period of observation: 1917-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 99.0°F — Jan 2, 1953 32.0°F — Jan 15, 2013 8.13 in — Jan 26, 1956
February 91.9°F — Feb 14, 2015 30.0°F — Feb 9, 1929 6.02 in — Feb 19, 1993
March 97.0°F — Mar 15, 2015 33.1°F — Mar 26, 1924 6.47 in — Mar 2, 1938
April 100.0°F — Apr 10, 2014 32.0°F — Apr 23, 1920 4.49 in — Apr 5, 1926
May 111.0°F — May 16, 2014 41.0°F — May 8, 1930 3.64 in — May 6, 1998
June 117.0°F — Jun 17, 1917 46.9°F — Jun 1, 1927 1.12 in — Jun 6, 1993
July 109.0°F — Jul 25, 2014 39.9°F — Jul 22, 1926 0.53 in — Jul 20, 2015
August 109.0°F — Aug 12, 2012 48.9°F — Aug 25, 1919 4.47 in — Aug 21, 2023
September 111.9°F — Sep 15, 2012 39.9°F — Sep 26, 1929 3.84 in — Sep 25, 1986
October 109.9°F — Oct 2, 2012 39.9°F — Oct 11, 1924 4.28 in — Oct 20, 2004
November 98.1°F — Nov 6, 2012 32.0°F — Nov 28, 1919 3.53 in — Nov 22, 1996
December 90.0°F — Dec 18, 1929 35.1°F — Dec 19, 1924 8.25 in — Dec 31, 1933

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