
Severe thunderstorms which can bring large hail, damaging winds, and isolated tornadoes will be possible over parts of the central U.S. through this weekend. Thunderstorms with heavy to excessive rainfall moving from Texas into the mid-Mississippi Valley through this weekend may produce areas of flooding. Read More >
McAlester, Oklahoma Climatology
| McAlester, OK | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |
| Average High Temperature | 52.0 | 56.7 | 65.3 | 73.3 | 80.0 | 88.2 | 93.2 | 93.2 | 85.8 | 75.2 | 63.3 | 53.6 | 73.3 | |
| Average Low Temperature | 30.2 | 34.2 | 42.4 | 50.1 | 59.8 | 68.2 | 72.0 | 70.7 | 62.9 | 51.5 | 40.9 | 32.9 | 51.3 | |
| Average Mean Temperature | 41.1 | 45.5 | 53.9 | 61.7 | 69.9 | 78.2 | 82.6 | 81.9 | 74.3 | 63.3 | 52.1 | 43.3 | 62.3 | |
| Record High Temperature | 81 2009 | 92 1996 | 94 2020 1974 | 97 2006 | 98 1998 | 106 1953 | 112 1954 | 113 2011 | 110 1998 | 99 1953 | 90 2017 | 83 2025 | 113 Aug 2011 | |
| Record Low Temperature | -14 1977 |
-11 2021 |
6 2002 | 24 2009 |
34 2011 |
45 1983 | 51 1967 | 51 1989 | 34 1984 | 19 1993 |
9 1976 |
-5 1989 | -14 Jan 1977 | |
| Average Days At or Above 100 Degrees | 0 | 0 | 0 | 0 | 0 | 0.2 | 4.8 | 5.9 | 0.8 | 0 | 0 | 0 | 11.7 | |
| Average Days At or Above 90 Degrees | 0 | 0.1 | 0.1 | 0.2 | 1.8 | 12.9 | 23.6 | 22.5 | 10.2 | 1.4 | 0 | 0 | 72.8 | |
| Average Days At or Below 32 Degrees | 19.9 | 13.4 | 6.3 | 0.9 | 0 | 0 | 0 | 0 | 0 | 0.8 | 7.8 | 16.6 | 65.7 | |
| Average Days At or Below 0 Degrees | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | |
| Average Rainfall | 2.23 | 2.39 | 3.41 | 4.63 | 5.30 | 4.46 | 3.37 | 2.96 | 3.66 | 4.17 | 3.01 | 3.02 | 42.61 | |
| Record Rainfall | 7.78 1998 | 7.83 2018 | 8.90 1985 | 14.18 1957 | 22.98 2015 | 8.86 1975 | 13.31 1953 | 9.54 1964 | 12.53 1967 | 17.43 1981 | 9.99 2024 | 10.50 2015 | 78.65 2015 | |
| Average Number of Rain Days | 6.4 | 6.4 | 9.2 | 8.5 | 10.8 | 8.3 | 6.3 | 7.0 | 6.8 | 7.9 | 6.6 | 7.1 | 91.3 | |
| ***Average Snowfall | 3.2 | 1.1 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.8 | 5.5 | |
| * Record Snowfall | 14.0 1977 | 13.4 1979 | 7.0 1989 | T 1973 | 0 | 0 | 0 | 0 | 0 |
T 1993 |
3.0 1980 | 6.0 1975 | 22.4 | |
| Average Heating Degree Days | 742 | 551 | 364 | 158 | 34 | 0 | 0 | 0 | 14 | 140 | 399 | 676 | 3078 | |
| Average Cooling Degree Days | 1 | 3 | 19 | 59 | 186 | 396 | 546 | 525 | 295 | 89 | 12 | 2 | 2133 | |
| Average Date Of 32 Degrees**: | Last: March 26 | First: November 5 | ||||||||||||
| Freezing Temperature: | Latest Recorded: April 25 (31°F in 2013) | Earliest Recorded: October 9 (26°F in 2000) | ||||||||||||
| Station Information | Elevation: 760 ft / Latitude: 34 53N / Longitude: 95 47W | |||||||||||||
| Temperatures are reported in Fahrenheit and Rainfall/Snowfall totals are reported in inches. Temperature and Precipitation records are for the period 1953-present. Data is missing from August 1996-December 1997, December 2018-January 2019.
Averages are for the period 1991-2020. (Annual totals may be slightly different than monthly totals due to rounding) |
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Updated: May 11, 2026