MilBases
Weather & Climate at McAlester Army Ammunition
Mcalester, OK
Summary of the weather and climate in Mcalester, OK:
- The average high is 72.6°F and the average low is 51°F.
- The hottest month is August with a high of 93.4°F.
- The coldest month is January with a low of 29.6°F.
- Annual rainfall is 42.04 inches; the rainiest month is May (5.17 in).
- Annual snowfall is 5.5 inches; the snowiest month is January (3.2 in).
Source: NOAA climate normals.
Temperatures through the year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Bars span each month's average low to average high (20°F – 100°F scale).
Monthly averages
| Month | High (°F) | Low (°F) | Rain (in) | Snow (in) | |
|---|---|---|---|---|---|
| January | 50.9 | 29.6 | 2.36 | 3.2 | |
| February | 55.6 | 33.8 | 2.62 | 1.1 | |
| March | 64.3 | 42.1 | 3.55 | 0.3 | |
| April | 72.8 | 49.9 | 3.9 | 0 | |
| May | 79.5 | 59.4 | 5.17 | 0 | |
| June | 87.3 | 67.5 | 4.49 | 0 | |
| July | 92.6 | 71.5 | 2.65 | 0 | |
| August | 93.4 | 70.7 | 2.64 | 0 | |
| September | 85.1 | 62.4 | 3.97 | 0 | |
| October | 74.6 | 51.5 | 4.35 | 0 | |
| November | 63 | 41.4 | 3.36 | 0.1 | |
| December | 52.3 | 31.8 | 2.98 | 0.8 |