All-time weather records — Portales, NM

Record high
109.0°F
June 15, 1924
Record low
-18.0°F
January 4, 1947
Wettest day
5.15 in
August 12, 1952

Climate change signal in Portales

23.2%

of Portales's all-time daily heat records were set in the last decade (85 of 366 records since 2015).

3.8%

of all-time daily cold records were set in the last decade (14 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
3
14
1910s
15
69
1920s
39
43
1930s
25
22
1940s
35
45
1950s
26
37
1960s
48
37
1970s
25
32
1980s
14
25
1990s
8
10
2000s
19
10
2010s
47
12
2020s
62
10

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 1905, the latest in 2026. Period of observation: 1905-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 80.1°F — Jan 21, 1950 -18.0°F — Jan 4, 1947 1.90 in — Jan 18, 1987
February 84.9°F — Feb 12, 1962 -15.0°F — Feb 1, 1951 1.45 in — Feb 25, 1912
March 98.1°F — Mar 25, 2026 -4.0°F — Mar 2, 1922 1.94 in — Mar 23, 1919
April 100.0°F — Apr 22, 1965 10.0°F — Apr 7, 1980 2.75 in — Apr 16, 1915
May 102.9°F — May 24, 2000 23.0°F — May 3, 2013 3.64 in — May 19, 1914
June 109.0°F — Jun 15, 1924 33.1°F — Jun 2, 1919 5.00 in — Jun 12, 1913
July 109.0°F — Jul 13, 2016 39.0°F — Jul 18, 1985 4.36 in — Jul 23, 1948
August 107.1°F — Aug 17, 1969 21.9°F — Aug 25, 1982 5.15 in — Aug 12, 1952
September 104.0°F — Sep 5, 1945 28.9°F — Sep 17, 1929 2.88 in — Sep 15, 1963
October 95.0°F — Oct 3, 1967 10.9°F — Oct 31, 2019 4.37 in — Oct 5, 1919
November 90.0°F — Nov 6, 1950 -0.9°F — Nov 25, 1979 2.86 in — Nov 4, 1978
December 87.1°F — Dec 5, 1906 -11.9°F — Dec 9, 1978 2.41 in — Dec 19, 1911

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