All-time weather records — Guernsey, WY

Record high
104.0°F
June 23, 2012
Record low
-23.1°F
January 6, 2017
Wettest day
2.67 in
May 21, 2014

Climate change signal in Guernsey

47%

of Guernsey's all-time daily heat records were set in the last decade (172 of 366 records since 2015).

48.4%

of all-time daily cold records were set in the last decade (177 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
352
344
2020s
14
22

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 2012, the latest in 2024. Period of observation: 2012-2024.

Records by month

Month Hottest day Coldest day Wettest day
January 70.0°F — Jan 27, 2015 -23.1°F — Jan 6, 2017 0.56 in — Jan 27, 2017
February 69.1°F — Feb 16, 2017 -16.1°F — Feb 5, 2014 0.64 in — Feb 5, 2015
March 81.0°F — Mar 18, 2017 -5.1°F — Mar 2, 2014 0.97 in — Mar 31, 2017
April 84.9°F — Apr 24, 2012 10.0°F — Apr 11, 2013 1.51 in — Apr 26, 2016
May 91.9°F — May 22, 2012 24.1°F — May 2, 2013 2.67 in — May 21, 2014
June 104.0°F — Jun 23, 2012 39.9°F — Jun 15, 2014 1.78 in — Jun 11, 2015
July 102.9°F — Jul 20, 2012 46.9°F — Jul 2, 2014 0.73 in — Jul 16, 2014
August 99.0°F — Aug 26, 2015 41.0°F — Aug 23, 2015 0.62 in — Aug 5, 2014
September 97.0°F — Sep 4, 2013 30.9°F — Sep 13, 2014 0.83 in — Sep 11, 2013
October 88.0°F — Oct 10, 2015 17.1°F — Oct 30, 2017 1.25 in — Oct 11, 2013
November 75.9°F — Nov 3, 2015 -13.0°F — Nov 13, 2014 0.25 in — Nov 22, 2016
December 70.0°F — Dec 12, 2014 -23.1°F — Dec 17, 2016 0.28 in — Dec 19, 2016

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