Weather information for the Tucumcari area is provided below. Average temperatures, climate details and current forecasts are included.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
| Avg. High | 53 | 58 | 65 | 72 | 81 | 90 | 93 | 91 | 84 | 74 | 62 | 53 | |
| Avg. Low | 23 | 27 | 34 | 42 | 51 | 60 | 64 | 63 | 55 | 44 | 32 | 24 | |
| Precipitation | 0.4 | 0.4 | 0.8 | 1.1 | 1.8 | 2.2 | 2.6 | 2.7 | 1.7 | 1.4 | 0.8 | 0.5 | |


