December weather in Amarillo, TX
The average temperature in Amarillo in December is 36.8°F (22.7°F–50.8°F). Average precipitation: inches.
December is a winter month in Amarillo, and is cooler than the annual average of 56.9°F. Daily temperatures swing about 28.1°F between overnight low and afternoon high. Daylight averages about 9h 38m. For travel, December is cool.
Avg High
50.8°F
Avg Low
22.7°F
Precipitation
in
Daylight
9h 38m
December records in Amarillo
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 73.0°F (2021) | 19.9°F (2025) | 0.00 in (2019) |
| December 2 | 77.0°F (2021) | 21.0°F (2025) | 0.04 in (2020) |
| December 3 | 64.9°F (2021) | 21.9°F (2020) | 0.07 in (2022) |
| December 4 | 59.0°F (2021) | 21.0°F (2018) | 0.02 in (2022) |
| December 5 | 73.0°F (2021) | 21.0°F (2018) | 0.00 in (2019) |
| December 6 | 68.0°F (2022) | 21.9°F (2021) | 0.00 in (2019) |
| December 7 | 73.9°F (2023) | 27.0°F (2018) | 0.00 in (2019) |
| December 8 | 68.0°F (2019) | 1.9°F (2018) | 0.00 in (2019) |
| December 9 | 68.0°F (2020) | 18.0°F (2018) | 0.01 in (2023) |
| December 10 | 69.1°F (2020) | 17.1°F (2023) | 0.00 in (2019) |
| December 11 | 78.1°F (2025) | 21.0°F (2021) | 0.00 in (2019) |
| December 12 | 70.0°F (2021) | 21.0°F (2020) | 0.00 in (2019) |
| December 13 | 71.1°F (2021) | 15.1°F (2020) | 0.44 in (2023) |
| December 14 | 75.9°F (2021) | 15.1°F (2020) | 0.71 in (2023) |
| December 15 | 71.1°F (2021) | 16.0°F (2022) | 0.05 in (2020) |
| December 16 | 64.0°F (2025) | 10.9°F (2020) | 0.01 in (2022) |
| December 17 | 72.0°F (2025) | 12.0°F (2022) | 0.00 in (2019) |
| December 18 | 60.1°F (2018) | 15.1°F (2021) | 0.01 in (2022) |
| December 19 | 70.0°F (2025) | 17.1°F (2021) | 0.00 in (2019) |
| December 20 | 66.0°F (2025) | 19.0°F (2022) | 0.00 in (2019) |
| December 21 | 64.0°F (2018) | 21.0°F (2018) | 0.00 in (2019) |
| December 22 | 82.0°F (2025) | -2.9°F (2022) | 0.00 in (2019) |
| December 23 | 73.9°F (2025) | 1.0°F (2022) | 0.49 in (2023) |
| December 24 | 84.0°F (2025) | 9.0°F (2022) | 0.00 in (2019) |
| December 25 | 79.0°F (2025) | 19.0°F (2022) | 0.00 in (2019) |
| December 26 | 73.9°F (2021) | 19.0°F (2023) | 0.00 in (2019) |
| December 27 | 75.9°F (2025) | 27.0°F (2018) | 0.06 in (2019) |
| December 28 | 64.9°F (2022) | 17.1°F (2018) | 0.93 in (2019) |
| December 29 | 64.0°F (2024) | 10.9°F (2018) | 0.00 in (2019) |
| December 30 | 68.0°F (2024) | 17.1°F (2018) | 0.00 in (2019) |
| December 31 | 64.9°F (2025) | 12.0°F (2020) | 0.00 in (2019) |