DUNCAN, OK US
GHCN ID: USC00342660 · OK, US · 342.9 m elevation · Records 1936-2025 (89 years)
Primary station for Duncan, OK.
Monthly climate normals (1991-2020)
| Month | High | Low | Mean | Precip | Snow |
|---|---|---|---|---|---|
| January | 51.9°F | 28.4°F | 40.2°F | 1.52 in | 1.1 in |
| February | 56.5°F | 31.9°F | 44.2°F | 1.84 in | 0.4 in |
| March | 64.8°F | 41.2°F | 53.0°F | 2.76 in | 0.2 in |
| April | 73.4°F | 49.0°F | 61.2°F | 3.45 in | — |
| May | 80.5°F | 59.0°F | 69.7°F | 5.58 in | — |
| June | 88.5°F | 68.0°F | 78.2°F | 4.49 in | — |
| July | 93.5°F | 71.6°F | 82.6°F | 2.58 in | — |
| August | 93.2°F | 70.8°F | 82.0°F | 2.90 in | — |
| September | 85.8°F | 63.3°F | 74.6°F | 3.79 in | — |
| October | 75.5°F | 50.8°F | 63.1°F | 3.86 in | — |
| November | 63.5°F | 39.2°F | 51.3°F | 2.33 in | 0.3 in |
| December | 53.6°F | 30.7°F | 42.1°F | 2.04 in | 0.8 in |