All-time weather records — Waterloo, SC

Record high
105.1°F
July 2, 2012
Record low
8.1°F
January 8, 2014
Wettest day
6.25 in
October 4, 2015

Climate change signal in Waterloo

66.9%

of Waterloo's all-time daily heat records were set in the last decade (245 of 366 records since 2015).

53.3%

of all-time daily cold records were set in the last decade (195 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 #
2000s
2
5
2010s
236
256
2020s
128
105

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 2009, the latest in 2026. Period of observation: 2009-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 78.1°F — Jan 14, 2017 8.1°F — Jan 8, 2014 2.60 in — Jan 4, 2023
February 82.0°F — Feb 21, 2026 12.0°F — Feb 20, 2015 2.70 in — Feb 7, 2020
March 86.0°F — Mar 12, 2026 21.9°F — Mar 17, 2017 2.15 in — Mar 7, 2014
April 89.1°F — Apr 6, 2010 32.0°F — Apr 2, 2021 2.25 in — Apr 6, 2022
May 95.0°F — May 26, 2019 39.9°F — May 6, 2011 2.60 in — May 19, 2016
June 104.0°F — Jun 30, 2012 54.0°F — Jun 1, 2021 4.05 in — Jun 21, 2023
July 105.1°F — Jul 2, 2012 61.0°F — Jul 4, 2010 2.00 in — Jul 6, 2022
August 102.0°F — Aug 4, 2011 57.9°F — Aug 24, 2018 3.50 in — Aug 5, 2025
September 98.1°F — Sep 3, 2011 48.9°F — Sep 23, 2020 4.48 in — Sep 14, 2014
October 98.1°F — Oct 4, 2019 30.0°F — Oct 22, 2022 6.25 in — Oct 4, 2015
November 84.0°F — Nov 1, 2016 18.0°F — Nov 19, 2014 4.10 in — Nov 11, 2009
December 78.1°F — Dec 4, 2021 10.0°F — Dec 24, 2022 4.71 in — Dec 31, 2015

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