All-time weather records — Rio Grande City, TX
Climate change signal in Rio Grande City
of Rio Grande City's all-time daily heat records were set in the last decade (44 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 | # |
|---|---|---|---|---|
| 1890s | · | 3 | ||
| 1900s | 29 | 20 | ||
| 1910s | · | · | ||
| 1920s | 6 | · | ||
| 1930s | 33 | 41 | ||
| 1940s | 52 | 53 | ||
| 1950s | 49 | 31 | ||
| 1960s | 31 | 58 | ||
| 1970s | 17 | 86 | ||
| 1980s | 23 | 35 | ||
| 1990s | 43 | 16 | ||
| 2000s | 33 | 6 | ||
| 2010s | 19 | 9 | ||
| 2020s | 31 | 8 |
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 1900, the latest in 2026. Period of observation: 1892-2026.
Records by month
| Month | Hottest day | Coldest day | Wettest day |
|---|---|---|---|
| January | 97.0°F — Jan 2, 2022 | 1.9°F — Jan 10, 2013 | 3.30 in — Jan 4, 1915 |
| February | 104.0°F — Feb 26, 1902 | 1.0°F — Feb 13, 2014 | 3.21 in — Feb 2, 1948 |
| March | 108.0°F — Mar 14, 1902 | 25.0°F — Mar 4, 1971 | 3.44 in — Mar 28, 2025 |
| April | 111.9°F — Apr 10, 1963 | 25.0°F — Apr 1, 1987 | 4.34 in — Apr 21, 1968 |
| May | 111.9°F — May 2, 1948 | 44.1°F — May 1, 1944 | 6.30 in — May 4, 1904 |
| June | 116.1°F — Jun 14, 1998 | 8.1°F — Jun 18, 1998 | 6.13 in — Jun 21, 1993 |
| July | 111.0°F — Jul 6, 1998 | 0.0°F — Jul 19, 2014 | 4.32 in — Jul 31, 1938 |
| August | 115.0°F — Aug 13, 1947 | 60.1°F — Aug 5, 1942 | 4.97 in — Aug 29, 1981 |
| September | 111.0°F — Sep 6, 2000 | 45.0°F — Sep 29, 1942 | 12.51 in — Sep 22, 1967 |
| October | 104.0°F — Oct 1, 1905 | 28.9°F — Oct 31, 1993 | 5.00 in — Oct 12, 2003 |
| November | 99.0°F — Nov 1, 1947 | 21.9°F — Nov 21, 1969 | 4.10 in — Nov 2, 1914 |
| December | 97.0°F — Dec 6, 1977 | 15.1°F — Dec 21, 1973 | 2.60 in — Dec 11, 2011 |
Click a month to see every daily record for that month in Rio Grande City.