Weather in Chattanooga in December 2024
Average weather
Average temperature in Chattanooga in December
The expected average maximum temperature in December is +13°C with a maximum of +19°C and a minimum of -3°C.
The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +12°C to +14°C.
Is Chattanooga warm or cold in December?
Chattanooga is typically cool in December.
Maximum temperatures go down compared to the previous month from +16°C to +11°C. The minimum temperature also goes down from +6°C to +3°C.
Pack a sweater and a jacket as there will be cooler temperatures.
December is one of the coolest months in Chattanooga, here is the comparison with other months:
Climate in Chattanooga in December
| November | December | January | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +16°C | +11°C | +10°C | ||||
| Min. temperature | ||||||
| -7°C | -19°C | -27°C | ||||
| Max. temperature | ||||||
| +29°C | +24°C | +24°C | ||||
| Rainfall | ||||||
| 100 mm | 120 mm | 109 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 2 m/s | ||||
| Humidity | ||||||
| 71% | 72% | 70% | ||||
| Air pressure | ||||||
| 1020 HPa | 1020 HPa | 1020 HPa | ||||
| Sunny days | ||||||
| 9 | 6 | 6 | ||||
| Cloudy days | ||||||
| 10 | 11 | 11 | ||||
| Rainy days | ||||||
| 10 | 11 | 10 | ||||
| Snowy days | ||||||
| 0 | 1 | 2 | ||||
December typically has worse weather conditions compared to November. It’s getting colder in December. From +16°C in the day, the average maximum temperature lowers to +11°C. Prepare for more rain. Average rainfall goes from 100 mm to 120 mm. Humidity rises from 71% to 72%. The average wind speed doesn’t change much during December, staying around 1 m/s. The days becoming less sunny, going from 9 sunny days in November to 6 in December.
January brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Chattanooga is gradually increasing during December, going from 2 m/s to 2 m/s over the course of the month.
Rain
How was the weather last December in Chattanooga?
Climate Change over Years
The climate in Chattanooga in December has not changed much over the last 43 years.
The average temperature was the lowest in 1979 (+20°C) and the highest in 2016 (+24°C). The driest year was 2007 with only 654 mm of rainfall, and the wettest year was 2019 with 2402 mm.
FAQ
Is December a good time to visit Chattanooga?
Can you sunbathe in Chattanooga in December?
Is Chattanooga rainy in December?
Is it sunny in Chattanooga in December?
Other cities in USA
Monthly weather in Chattanooga
Source of the data
For this page, we’ve looked at the typical weather in Chattanooga, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.