Chattanooga, Sunday, 9 August, 05:20
Partly cloudy. Feels like 73°. High 86°, low 72°.
In December, Chattanooga, TN averages a high of 51.2° and a low of 35.8°. About 4.6 inches of precipitation fall over the month (10 wet days). The record high is 73.8° (2007) and the record low 1.4° (1983). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 54.5° | 37.8° | 30% | 66.9° (1970) | 22.3° (1964) |
| 2 | 54.5° | 37.6° | 27% | 69.3° (1970) | 24.1° (1960) |
| 3 | 54.5° | 37.6° | 28% | 71.1° (2021) | 23.9° (1979) |
| 4 | 53.6° | 37.9° | 33% | 72.7° (1998) | 23° (1989) |
| 5 | 52.7° | 37.2° | 42% | 71.8° (1998) | 25.3° (1991) |
| 6 | 51.8° | 35.6° | 27% | 72° (1998) | 21.4° (1984) |
| 7 | 51.3° | 35.8° | 30% | 68.9° (2004) | 16.7° (1977) |
| 8 | 51.8° | 37° | 28% | 72.3° (1978) | 20.5° (2006) |
| 9 | 52.9° | 37.8° | 47% | 69.4° (2007) | 22.1° (2010) |
| 10 | 52.3° | 37.4° | 47% | 72.1° (2007) | 14° (1995) |
| 11 | 51.3° | 35.8° | 27% | 73.8° (2007) | 16.9° (1962) |
| 12 | 51.4° | 36° | 25% | 69.1° (2015) | 7.9° (1962) |
| 13 | 51.8° | 36.9° | 28% | 70.2° (2015) | 7.5° (1962) |
| 14 | 51.6° | 36.5° | 28% | 69.1° (1984) | 14.7° (2010) |
| 15 | 51.8° | 36° | 33% | 67.8° (1984) | 16.2° (2025) |
| 16 | 51.6° | 35.6° | 38% | 67.8° (2021) | 8.6° (1989) |
| 17 | 50.7° | 35.4° | 33% | 67.1° (2021) | 18.3° (1972) |
| 18 | 50.2° | 33.8° | 20% | 68.2° (1990) | 19.8° (2000) |
| 19 | 49.8° | 33.3° | 30% | 68.4° (1984) | 12.9° (1963) |
| 20 | 49.8° | 35.4° | 33% | 68° (1978) | 14° (2000) |
| 21 | 49.6° | 35.4° | 40% | 70.5° (1967) | 17.2° (1989) |
| 22 | 50° | 35.4° | 37% | 66.6° (1970) | 2.5° (1989) |
| 23 | 50.7° | 34.3° | 35% | 66.6° (1970) | 2.8° (1989) |
| 24 | 48.9° | 34° | 45% | 71.4° (2015) | 3.9° (1983) |
| 25 | 46.8° | 33.4° | 35% | 69.8° (2016) | 1.4° (1983) |
| 26 | 48° | 32.7° | 20% | 73.2° (2015) | 9.1° (1983) |
| 27 | 49.8° | 34.5° | 30% | 72.5° (2025) | 20.8° (2010) |
| 28 | 51.4° | 36° | 45% | 70.5° (2025) | 18.9° (1977) |
| 29 | 50.5° | 35.6° | 30% | 69.6° (2021) | 16.7° (1983) |
| 30 | 50.2° | 35.6° | 38% | 71.2° (2021) | 8.4° (1983) |
| 31 | 50.5° | 36.3° | 43% | 70.3° (1984) | 14° (1983) |