Weather in Chattanooga, Tennessee, United States in December
In an average December, Chattanooga sees a daily high around 50°F and a low around 32°F, based on 1981–2026 of local climate records.
| Average high | 50°F |
|---|---|
| Typical high range | 38°F to 62°F |
| Average low | 32°F |
| Typical low range | 22°F to 45°F |
| Average daily precipitation | 0.20 in |
December records
The most extreme December on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total December accumulation.
High
Highest
74°F
1998-12-04
Lowest
12°F
1989-12-22
Low
Highest
65°F
2015-12-25
Lowest
-1°F
1989-12-22
Feels-like
Highest
73°F
1998-12-07
Lowest
-20°F
1983-12-24
Humidity
Highest
16.5 g/m³
2015-12-25
Lowest
1.1 g/m³
1983-12-25
Wind
Highest
17 mph
2009-12-24
Lowest
3 mph
2023-12-12
Precip
Wettest
13.46 in
1990
Driest
1.91 in
2025
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