WEATHER IN Chattanooga
Monthly temperature
| Month | Record low | Average low | Average | Average high | Record high |
| january | -10 (1985) | 32.4 | 41.7 | 51.0 | 78 (1949) |
| february | -10 (1899) | 35.6 | 45.6 | 55.6 | 79 (1989) |
| march | 2 (1899) | 42.2 | 53.2 | 64.1 | 89 (1907) |
| april | 25 (1881) | 49.9 | 61.7 | 73.6 | 93 (1942) |
| may | 34 (1971) | 59.0 | 70.0 | 81.0 | 99 (1941) |
| june | 39 (1889) | 67.3 | 77.4 | 87.6 | 107 (2012) |
| july | 51 (1972) | 71.0 | 80.7 | 90.5 | 107 (2012) |
| august | 50 (1946) | 70.2 | 80.0 | 89.8 | 105 (1947) |
| september | 36 (1967) | 63.6 | 73.9 | 84.3 | 104 (1925) |
| october | 22 (1952) | 51.4 | 62.7 | 74.1 | 94 (1954) |
| november | 4 (1950) | 40.3 | 51.2 | 62.0 | 84 (1961) |
| december | -2 (1962) | 35.3 | 44.3 | 53.2 | 78 (1951) |
| year | -10 (1985) | 50.1 | 60.8 | 71.6 | 107 (2012) |
Monthly precipitation
| Month | Average | Record low | Record high | Daily high |
| january | 5.02 | 0.90 (1986) | 14.74 (1882) | 3.79 (2009) |
| february | 5.03 | 0.62 (1941) | 12.30 (1939) | 3.35 (1948) |
| march | 5.34 | 0.93 (1910) | 16.32 (1980) | 6.19 (1994) |
| april | 4.87 | 0.44 (1942) | 15.29 (1911) | 3.36 (1983) |
| may | 3.94 | 0.54 (1941) | 12.00 (1929) | 3.41 (1964) |
| june | 4.18 | 0.29 (1931) | 9.40 (1949) | 4.85 (1949) |
| july | 5.08 | 0.20 (1957) | 13.49 (1916) | 4.64 (1979) |
| august | 3.67 | 0.01 (2011) | 12.36 (1920) | 3.63 (1941) |
| september | 4.23 | 0.04 (1919) | 14.18 (1977) | 9.49 (2011) |
| october | 3.59 | 0.08 (1938) | 11.91 (1925) | 4.04 (1932) |
| november | 4.80 | 0.16 (1890) | 13.59 (1948) | 4.53 (1948) |
| december | 5.25 | 0.44 (1889) | 13.68 (1961) | 4.85 (1942) |
| year | 52.48 | 32.68 (1904) | 73.70 (1994) | 9.49 (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 |