Chattanooga weather in January: Chattanooga, Tennessee: normal highs, lows, rain and records for January
Chattanooga in January has a normal high of 51°F and a normal low of 32°F, a daily mean of 42°F, rising from 51°F on the 1st to 52°F by the 31st. Measurable precipitation falls on 11 days in a normal January, 5.02 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 11°C and low of 0°C, 128 mm of precipitation and 3 cm of snow in January.
- NOAA stationChattanooga Airport
- Station IDUSW00013882
- Location35.03°N 85.20°W
- Elevation671 ft (205 m)
- From the center4 miles
- Population191,496
- Jan 51° 32°
- Feb 56° 36°
- Mar 64° 42°
- Apr 74° 50°
- May 81° 59°
- Jun 88° 67°
- Jul 91° 71°
- Aug 90° 70°
- Sep 84° 64°
- Oct 74° 51°
- Nov 62° 40°
- Dec 53° 35°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Chattanooga in January?
The normal high is 51°F and the normal low 32°F, for a daily mean of 41.7°F. January is 2.6°F cooler than December and 3.9°F cooler than February. January is the 12th warmest month of the year in Chattanooga and the 5th wettest. Across the month the normal high rises 1°F, from 51°F on January 1 to 52°F on January 31. From one year to the next January's mean temperature typically moves about 3.9°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 38°F and 46°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 51°F | 33°F | 37% | 25% |
| January 8 | 51°F | 33°F | 36% | 24% |
| January 15 | 51°F | 32°F | 35% | 24% |
| January 22 | 51°F | 32°F | 35% | 23% |
| January 31 | 52°F | 33°F | 35% | 23% |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 31, coldest night January 16)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 51°F | 33°F | 37% | 25% | 9 h 50 min |
| January 2 | 51°F | 33°F | 37% | 24% | 9 h 50 min |
| January 3 | 51°F | 33°F | 37% | 24% | 9 h 50 min |
| January 4 | 51°F | 33°F | 37% | 24% | 9 h 50 min |
| January 5 | 51°F | 33°F | 36% | 24% | 9 h 50 min |
| January 6 | 51°F | 33°F | 36% | 24% | 9 h 50 min |
| January 7 | 51°F | 33°F | 36% | 24% | 9 h 50 min |
| January 8 | 51°F | 33°F | 36% | 24% | 10 h |
| January 9 | 51°F | 32°F | 36% | 24% | 10 h |
| January 10 | 51°F | 32°F | 36% | 24% | 10 h |
| January 11 | 51°F | 32°F | 36% | 24% | 10 h |
| January 12 | 51°F | 32°F | 36% | 24% | 10 h |
| January 13 | 51°F | 32°F | 35% | 24% | 10 h |
| January 14 | 51°F | 32°F | 35% | 24% | 10 h |
| January 15 | 51°F | 32°F | 35% | 24% | 10 h |
| January 16 | 51°F | 32°F | 35% | 24% | 10 h |
| January 17 | 51°F | 32°F | 35% | 23% | 10 h |
| January 18 | 51°F | 32°F | 35% | 23% | 10 h 10 min |
| January 19 | 51°F | 32°F | 35% | 23% | 10 h 10 min |
| January 20 | 51°F | 32°F | 35% | 23% | 10 h 10 min |
| January 21 | 51°F | 32°F | 35% | 23% | 10 h 10 min |
| January 22 | 51°F | 32°F | 35% | 23% | 10 h 10 min |
| January 23 | 51°F | 32°F | 35% | 23% | 10 h 10 min |
| January 24 | 51°F | 32°F | 35% | 23% | 10 h 10 min |
| January 25 | 52°F | 32°F | 35% | 23% | 10 h 20 min |
| January 26 | 52°F | 32°F | 35% | 23% | 10 h 20 min |
| January 27 | 52°F | 32°F | 35% | 23% | 10 h 20 min |
| January 28 | 52°F | 32°F | 35% | 23% | 10 h 20 min |
| January 29 | 52°F | 33°F | 35% | 23% | 10 h 20 min |
| January 30 | 52°F | 33°F | 35% | 23% | 10 h 20 min |
| January 31 | 52°F | 33°F | 35% | 23% | 10 h 30 min |
- Normal high
- 51°FJanuary average
- Normal low
- 32°FJanuary average
- Precipitation
- 5.02 inmonth total
- Days with precipitation
- 110.01 inch or more
- Snowfall
- 1.0 inmonth total
- Nights at 32°F or colder
- 17
- Daylight
- 9 h 50 min to 10 h 30 minJanuary 1 to January 31
- Days at 70°F or more
- 1
- Sunshine
- 66%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013882; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain or snow in Chattanooga in January?
On a given January day the chance of 0.01 inch or more is 35% on average, highest around January 1 (37%). In all, 5.02 in falls on 11 days of a normal January, 2 of them with an inch or more.
In a normal January in Chattanooga, 17 nights fall to freezing, 1 days stay below freezing all day and snowfall averages 1.0 inches.
Snow falls on 1 day in a normal January, and an inch or more covers the ground on 1 day.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013882.
How humid and windy is Chattanooga in January?
At 3 p.m. the normal temperature is 50°F with 46% relative humidity and a dew point of 30°F; at 6 a.m. it is 36°F with 78% humidity. The wind averages 5.7 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 36°F | 30°F | 78% | 4.3 mph | 41% |
| 9 a.m. | 37°F | 31°F | 76% | 5.0 mph | 34% |
| noon | 45°F | 30°F | 56% | 6.9 mph | 40% |
| 3 p.m. | 50°F | 30°F | 46% | 8.3 mph | 38% |
| 6 p.m. | 48°F | 30°F | 48% | 7.3 mph | 43% |
| 9 p.m. | 42°F | 31°F | 65% | 5.0 mph | 49% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013882. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for January in Chattanooga?
The warmest January temperature on Chattanooga's official record (since 1879) is 78°F, on January 11, 1949; the coldest is −10°F, on January 31, 1966. The wettest January brought 12.67 in (1882); the snowiest, 15.8 inches (1893).
The January mean against the 1991-2020 normal of 41.7°F: 2021 44.3°F (+2.6), 2022 40.3°F (−1.4), 2023 48.2°F (+6.5), 2024 39.1°F (−2.6), 2025 37.1°F (−4.6), 2026 41.0°F (−0.7). 2 of 6 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 44.3°F | +2.6°F | 3.08 in |
| 2022 | 40.3°F | −1.4°F | 4.52 in |
| 2023 | 48.2°F | +6.5°F | 5.57 in |
| 2024 | 39.1°F | −2.6°F | 6.47 in |
| 2025 | 37.1°F | −4.6°F | 3.34 in |
| 2026 | 41.0°F | −0.7°F | 3.64 in |
Source: records: ACIS, NWS threaded record CHAthr; recent months: ACIS, station USW00013882. Records and recent months use complete months only.
How does January in Chattanooga compare across Tennessee?
Across the 116 places PlainClimate covers in Tennessee, January normal highs run from 43°F in Monterey to 52°F in Ardmore; Chattanooga's is 51°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Chattanooga in December53°F by day, 35°F at night
- Chattanooga in February56°F by day, 36°F at night
- Chattanooga through the yearEvery month, frost dates, records and recent years
- Tennessee in JanuaryThe statewide normal and the warmest and coolest places
- Ardmore: Tennessee's warmest Januarynormal high 52°F