All-time weather records — Atascadero, CA

Record high
111.9°F
June 30, 2013
Record low
17.1°F
December 6, 2013
Wettest day
8.83 in
October 14, 2009

Climate change signal in Atascadero

10.4%

of Atascadero's all-time daily heat records were set in the last decade (38 of 366 records since 2015).

3.8%

of all-time daily cold records were set in the last decade (14 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
·
·
1960s
6
5
1970s
27
118
1980s
5
18
1990s
·
·
2000s
·
·
2010s
328
225
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 1963, the latest in 2015. Period of observation: 1942-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 86.0°F — Jan 17, 2014 19.9°F — Jan 18, 2012 6.50 in — Jan 25, 1969
February 84.0°F — Feb 15, 2014 25.0°F — Feb 27, 2011 5.10 in — Feb 25, 1969
March 95.0°F — Mar 27, 2015 26.1°F — Mar 8, 2012 5.43 in — Mar 11, 1995
April 98.1°F — Apr 21, 2012 27.0°F — Apr 1, 1976 3.78 in — Apr 14, 2024
May 105.1°F — May 16, 2014 35.1°F — May 28, 1976 3.22 in — May 19, 1957
June 111.9°F — Jun 30, 2013 42.1°F — Jun 23, 2012 0.96 in — Jun 5, 2011
July 111.9°F — Jul 1, 2013 45.0°F — Jul 27, 2012 0.91 in — Jul 10, 1950
August 111.9°F — Aug 7, 2012 44.1°F — Aug 4, 2013 0.98 in — Aug 20, 1976
September 107.1°F — Sep 7, 2011 41.0°F — Sep 26, 2013 2.44 in — Sep 19, 1959
October 108.0°F — Oct 2, 2012 26.1°F — Oct 28, 1970 8.83 in — Oct 14, 2009
November 95.0°F — Nov 6, 2012 26.1°F — Nov 18, 1980 4.20 in — Nov 9, 2002
December 79.0°F — Dec 3, 2013 17.1°F — Dec 6, 2013 7.90 in — Dec 6, 1966

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