All-time weather records — Castle Pines, CO

Record high
102.0°F
July 11, 2022
Record low
-36.9°F
January 6, 1913
Wettest day
7.00 in
June 16, 1965

Climate change signal in Castle Pines

36.9%

of Castle Pines's all-time daily heat records were set in the last decade (135 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 #
1890s
19
47
1900s
22
61
1910s
21
77
1920s
24
56
1940s
·
·
1950s
·
·
1960s
15
30
1970s
25
37
1980s
32
22
1990s
22
16
2000s
39
14
2010s
36
4
2020s
111
2

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 1893, the latest in 2025. Period of observation: 1893-2025.

Records by month

Month Hottest day Coldest day Wettest day
January 73.0°F — Jan 3, 1997 -36.9°F — Jan 6, 1913 0.95 in — Jan 24, 1921
February 75.0°F — Feb 3, 2020 -32.1°F — Feb 6, 1914 1.50 in — Feb 9, 1995
March 82.0°F — Mar 28, 2022 -20.0°F — Mar 19, 1906 3.00 in — Mar 19, 2003
April 91.0°F — Apr 27, 1981 -8.0°F — Apr 8, 1909 2.69 in — Apr 13, 1967
May 93.9°F — May 20, 2020 7.0°F — May 3, 1907 3.55 in — May 12, 2023
June 100.9°F — Jun 12, 2022 25.0°F — Jun 1, 1924 7.00 in — Jun 16, 1965
July 102.0°F — Jul 11, 2022 6.1°F — Jul 25, 1906 2.95 in — Jul 27, 2017
August 99.0°F — Aug 9, 1906 34.0°F — Aug 26, 1910 4.00 in — Aug 3, 1897
September 100.9°F — Sep 12, 2021 10.9°F — Sep 28, 1984 2.80 in — Sep 15, 2013
October 88.0°F — Oct 8, 2020 -5.1°F — Oct 26, 1913 3.00 in — Oct 23, 1906
November 84.9°F — Nov 4, 1995 -18.0°F — Nov 28, 1976 1.27 in — Nov 18, 1985
December 82.0°F — Dec 3, 2021 -29.0°F — Dec 31, 1900 2.00 in — Dec 4, 1913

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