Oklahoma City weather in December
December is one of the least pleasant months in Oklahoma City: highs of 9°C (49°F) and about 38 mm (1.5 in) of rain on average. Nights average -2°C (29°F) and cloud cover 51% (NASA POWER, 2001–2025 averages). It is the 2nd driest month of the year and the 2nd coolest. Compared with November, it is cooler and about as wet; January brings highs of 9°C (47°F) and 32 mm (1.3 in) of rain.
Is December a good time to visit Oklahoma City?
least pleasant month Weather score 52/100.
December is one of the least pleasant months for weather in Oklahoma City. For better conditions, consider Apr, Sep–Nov.
Does it rain a lot in Oklahoma City in December?
No, it is usually dry: about 38 mm (1.5 in) falls in an average December. It is the 2nd driest month of the year.
How warm is Oklahoma City in December?
Days average 9°C (49°F) and nights -2°C (29°F).
Oklahoma City weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 9°C (47°F) | -3°C (27°F) | 32 mm | 48% | least pleasant |
| February | 11°C (51°F) | -1°C (29°F) | 39 mm | 56% | least pleasant |
| March | 17°C (63°F) | 4°C (40°F) | 62 mm | 55% | fair |
| April | 23°C (73°F) | 9°C (49°F) | 89 mm | 52% | best |
| May | 27°C (81°F) | 15°C (59°F) | 129 mm | 55% | fair |
| June | 32°C (89°F) | 20°C (69°F) | 113 mm | 44% | fair |
| July | 35°C (94°F) | 23°C (73°F) | 85 mm | 39% | fair |
| August | 34°C (93°F) | 22°C (72°F) | 94 mm | 40% | fair |
| September | 29°C (85°F) | 17°C (63°F) | 77 mm | 38% | best |
| October | 23°C (73°F) | 10°C (50°F) | 81 mm | 40% | best |
| November | 16°C (61°F) | 4°C (38°F) | 39 mm | 43% | best |
| December | 9°C (49°F) | -2°C (29°F) | 38 mm | 51% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months