WEATHER IN Chattanooga
Climate tables. Data for Chattanooga.
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -23.3 (1985) | 0.2 | 5.4 | 10.6 | 25.6 (1949) |
| february | -23.3 (1899) | 2.0 | 7.6 | 13.1 | 26.1 (1989) |
| march | -16.7 (1899) | 5.7 | 11.8 | 17.8 | 31.7 (1907) |
| april | -3.9 (1881) | 9.9 | 16.5 | 23.1 | 33.9 (1942) |
| may | 1.1 (1971) | 15.0 | 21.1 | 27.2 | 37.2 (1941) |
| june | 3.9 (1889) | 19.6 | 25.2 | 30.9 | 41.7 (2012) |
| july | 10.6 (1972) | 21.7 | 27.1 | 32.5 | 41.7 (2012) |
| august | 10.0 (1946) | 21.2 | 26.7 | 32.1 | 40.6 (1947) |
| september | 2.2 (1967) | 17.6 | 23.3 | 29.1 | 40.0 (1925) |
| october | -5.6 (1952) | 10.8 | 17.1 | 23.4 | 34.4 (1954) |
| november | -15.6 (1950) | 4.6 | 10.7 | 16.7 | 28.9 (1961) |
| december | -18.9 (1962) | 1.8 | 6.8 | 11.8 | 25.6 (1951) |
| year | -23.3 (1985) | 10.1 | 16.0 | 22.0 | 41.7 (2012) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 128 | 23 (1986) | 374 (1882) | 96 (2009) |
| february | 128 | 16 (1941) | 312 (1939) | 85 (1948) |
| march | 136 | 24 (1910) | 415 (1980) | 157 (1994) |
| april | 124 | 11 (1942) | 388 (1911) | 85 (1983) |
| may | 100 | 14 (1941) | 305 (1929) | 87 (1964) |
| june | 106 | 7 (1931) | 239 (1949) | 123 (1949) |
| july | 129 | 5 (1957) | 343 (1916) | 118 (1979) |
| august | 93 | 0.3 (2011) | 314 (1920) | 92 (1941) |
| september | 107 | 1 (1919) | 360 (1977) | 241 (2011) |
| october | 91 | 2 (1938) | 303 (1925) | 103 (1932) |
| november | 122 | 4 (1890) | 345 (1948) | 115 (1948) |
| december | 133 | 11 (1889) | 348 (1961) | 123 (1942) |
| year | 1333 | 830 (1904) | 1872 (1994) | 241 (2011) |
Number of days with solid, liquid, and mixed precipitation
| Type of precipitation | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Wind speed, m/s
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different wind directions, %
| direction | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Air humidity, %
| jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
Snow cover
| Month | jul | aug | sep | oct | nov | dec | jan | feb | mar | apr | may | jun | Year |
| number of days | |||||||||||||
| height (sm) | |||||||||||||
| max height (sm) |
Cloudy, score
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| total | |||||||||||||
| low |
Number of clear, cloudy and cloudy days
| month | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
| Total cloud | |||||||||||||
| Low cloud | |||||||||||||
Number of days with different phenomena
| phenomenon | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |
The frequency of different types of clouds, %
| type of clouds | jan | feb | mar | apr | may | jun | jul | aug | sep | oct | nov | dec | Year |