All-time weather records — Weslaco, TX

Record high
2304.0°F
December 31, 1946
Record low
0.0°F
July 30, 2014
Wettest day
15.00 in
September 5, 1933

Climate change signal in Weslaco

11.2%

of Weslaco's all-time daily heat records were set in the last decade (41 of 366 records since 2015).

3.3%

of all-time daily cold records were set in the last decade (12 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 #
1910s
27
53
1920s
43
48
1930s
45
54
1940s
79
49
1950s
28
42
1960s
19
30
1970s
16
25
1980s
17
26
1990s
29
14
2000s
17
9
2010s
11
4
2020s
35
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 1914, the latest in 2026. Period of observation: 1914-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 97.0°F — Jan 29, 1929 16.0°F — Jan 12, 1962 6.34 in — Jan 28, 1941
February 100.0°F — Mar 1, 1940 19.9°F — Feb 16, 2021 2.65 in — Feb 25, 1983
March 104.0°F — Mar 27, 1984 18.0°F — Mar 13, 1958 8.60 in — Mar 28, 2025
April 109.9°F — Apr 17, 1920 17.1°F — Apr 5, 1983 4.85 in — Apr 9, 1954
May 108.0°F — May 10, 2024 9.0°F — May 9, 1938 5.20 in — May 29, 1929
June 107.1°F — Jun 22, 2023 21.9°F — Jun 22, 1982 5.07 in — Jun 23, 1942
July 108.0°F — Jul 10, 1939 0.0°F — Jul 30, 2014 7.88 in — Jul 1, 2010
August 106.0°F — Aug 9, 1940 62.1°F — Aug 14, 1967 5.35 in — Aug 12, 1960
September 107.1°F — Sep 6, 2000 48.0°F — Sep 28, 1942 15.00 in — Sep 5, 1933
October 104.0°F — Oct 19, 2012 33.1°F — Oct 31, 1993 6.70 in — Oct 25, 2015
November 99.0°F — Nov 5, 1988 30.0°F — Nov 15, 1940 3.80 in — Nov 11, 1986
December 2304.0°F — Dec 31, 1946 16.0°F — Dec 23, 1989 4.00 in — Dec 22, 1940

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