All-time weather records — San Jon, NM
Climate change signal in San Jon
of San Jon's all-time daily heat records were set in the last decade (53 of 366 records since 2015).
of all-time daily cold records were set in the last decade (9 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 | # |
|---|---|---|---|---|
| 1900s | 11 | 14 | ||
| 1910s | 17 | 59 | ||
| 1920s | 39 | 52 | ||
| 1930s | 26 | 33 | ||
| 1940s | 23 | 56 | ||
| 1950s | 31 | 39 | ||
| 1960s | 28 | 41 | ||
| 1970s | 37 | 20 | ||
| 1980s | 22 | 16 | ||
| 1990s | 22 | 14 | ||
| 2000s | 34 | 6 | ||
| 2010s | 56 | 10 | ||
| 2020s | 20 | 6 |
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 1907, the latest in 2020. Period of observation: 1907-2021.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 82.9°F — Jan 6, 1927 | -33.0°F — Jan 13, 1963 | 1.73 in — Jan 28, 2010 |
| February | 86.0°F — Feb 28, 2006 | -18.9°F — Feb 8, 1933 | 1.62 in — Feb 4, 1956 |
| March | 91.0°F — Mar 11, 1989 | -9.0°F — Mar 5, 1948 | 1.90 in — Mar 20, 1985 |
| April | 98.1°F — Apr 22, 1965 | 8.1°F — Apr 4, 1945 | 3.64 in — Apr 9, 1919 |
| May | 104.0°F — May 28, 1974 | 21.0°F — May 4, 1935 | 2.62 in — May 22, 2014 |
| June | 109.9°F — Jun 17, 2017 | 35.1°F — Jun 2, 1919 | 3.50 in — Jun 4, 1926 |
| July | 111.0°F — Jul 11, 2020 | 48.0°F — Jul 30, 1922 | 3.50 in — Jul 10, 1996 |
| August | 108.0°F — Aug 6, 1964 | 45.0°F — Aug 5, 1922 | 3.96 in — Aug 23, 1911 |
| September | 105.1°F — Sep 5, 1948 | 30.0°F — Sep 29, 1945 | 3.68 in — Sep 2, 1986 |
| October | 98.1°F — Oct 16, 1921 | 10.9°F — Oct 30, 1993 | 3.55 in — Oct 10, 1930 |
| November | 91.0°F — Nov 5, 1915 | -5.1°F — Nov 23, 1957 | 1.86 in — Nov 24, 1940 |
| December | 80.1°F — Dec 11, 1939 | -15.0°F — Dec 12, 1961 | 2.00 in — Dec 20, 1938 |
Click a month to see every daily record for that month in San Jon.