All-time weather records — Elm Grove, WI
Climate change signal in Elm Grove
of Elm Grove's all-time daily heat records were set in the last decade (26 of 366 records since 2015).
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 | # |
|---|---|---|---|---|
| 1940s | 29 | 42 | ||
| 1950s | 36 | 112 | ||
| 1960s | 24 | 86 | ||
| 1970s | 41 | 43 | ||
| 1980s | 68 | 31 | ||
| 1990s | 58 | 17 | ||
| 2000s | 49 | 23 | ||
| 2010s | 61 | 12 |
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 1946, the latest in 2018. Period of observation: 1946-2019.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 60.1°F — Jan 30, 2013 | -27.0°F — Jan 30, 1951 | 1.57 in — Jan 30, 1947 |
| February | 72.0°F — Feb 1, 1998 | -25.1°F — Feb 3, 1996 | 1.66 in — Feb 12, 2019 |
| March | 86.0°F — Mar 22, 2012 | -15.0°F — Mar 1, 1962 | 2.22 in — Mar 30, 1960 |
| April | 90.0°F — Apr 18, 2002 | 10.9°F — Apr 3, 1954 | 3.85 in — Apr 21, 1973 |
| May | 95.0°F — May 28, 2018 | 19.9°F — May 9, 1947 | 2.91 in — May 13, 1978 |
| June | 104.0°F — Jun 21, 1988 | 32.0°F — Jun 2, 1956 | 5.55 in — Jun 21, 1997 |
| July | 108.0°F — Jul 13, 1995 | 39.9°F — Jul 6, 1965 | 6.37 in — Jul 18, 1964 |
| August | 108.0°F — Aug 1, 1988 | 41.0°F — Aug 1, 1947 | 3.80 in — Aug 7, 1998 |
| September | 100.0°F — Sep 1, 1953 | 27.0°F — Sep 20, 1956 | 3.08 in — Sep 18, 1972 |
| October | 90.0°F — Oct 6, 1963 | 16.0°F — Oct 18, 1948 | 2.35 in — Oct 4, 1991 |
| November | 78.1°F — Nov 1, 1950 | -8.0°F — Nov 25, 1950 | 2.46 in — Nov 1, 1982 |
| December | 68.0°F — Dec 5, 2001 | -22.0°F — Dec 24, 1983 | 1.64 in — Dec 15, 1971 |
Click a month to see every daily record for that month in Elm Grove.