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Columbia, Tennessee climate
Cfa Humid subtropical
Columbia has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 91°F, while the coldest is January averaging around 29°F at night. Precipitation is fairly even year-round, totalling about 54 inches. Snow is occasional (2 inches of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsColumbia climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 49 | 53 | 62 | 72 | 80 | 87 | 91 | 90 | 85 | 74 | 62 | 53 |
| Avg temp (°F) | 39 | 42 | 50 | 59 | 67 | 76 | 80 | 79 | 72 | 61 | 49 | 42 |
| Avg low (°F) | 29 | 31 | 38 | 46 | 55 | 64 | 69 | 67 | 60 | 47 | 37 | 32 |
| Precipitation (in) | 4.3 | 4.8 | 5.2 | 5.2 | 5.4 | 4.4 | 4.6 | 3.6 | 4.0 | 3.5 | 3.8 | 5.2 |
| Snowfall (in) | 0.9 | 0.3 | 0.4 | — | — | — | — | — | — | — | — | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 49 | 53 | 62 | 72 | 80 | 87 |
| Avg temp (°F) | 39 | 42 | 50 | 59 | 67 | 76 |
| Avg low (°F) | 29 | 31 | 38 | 46 | 55 | 64 |
| Precipitation (in) | 4.3 | 4.8 | 5.2 | 5.2 | 5.4 | 4.4 |
| Snowfall (in) | 0.9 | 0.3 | 0.4 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 91 | 90 | 85 | 74 | 62 | 53 |
| Avg temp (°F) | 80 | 79 | 72 | 61 | 49 | 42 |
| Avg low (°F) | 69 | 67 | 60 | 47 | 37 | 32 |
| Precipitation (in) | 4.6 | 3.6 | 4.0 | 3.5 | 3.8 | 5.2 |
| Snowfall (in) | — | — | — | — | — | 0.1 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 12 | 11 | 13 | 11 | 12 | 11 | 11 | 9 | 8 | 9 | 10 | 12 |
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | 1 | 8 | 16 | 13 | 6 | 0.4 | — | — |
| Days with low ≤ 32°F (days) | 21 | 17 | 11 | 2 | 0.0 | — | — | — | — | 2 | 11 | 18 |
| Days with snowfall ≥ 1 in (days) | 0.3 | 0.2 | 0.1 | — | — | — | — | — | — | — | — | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 12 | 11 | 13 | 11 | 12 | 11 |
| Days with high ≥ 90°F (days) | — | — | — | 0.1 | 1 | 8 |
| Days with low ≤ 32°F (days) | 21 | 17 | 11 | 2 | 0.0 | — |
| Days with snowfall ≥ 1 in (days) | 0.3 | 0.2 | 0.1 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 9 | 8 | 9 | 10 | 12 |
| Days with high ≥ 90°F (days) | 16 | 13 | 6 | 0.4 | — | — |
| Days with low ≤ 32°F (days) | — | — | — | 2 | 11 | 18 |
| Days with snowfall ≥ 1 in (days) | — | — | — | — | — | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 69 | 64 | 59 | 59 | 55 | 55 | 51 | 48 | 49 | 56 | 65 |
| Clear days (≤ 30% cloud) | 5 | 4 | 6 | 7 | 7 | 8 | 7 | 9 | 11 | 12 | 9 | 6 |
| Partly cloudy days (30–70%) | 9 | 8 | 10 | 9 | 10 | 11 | 13 | 13 | 10 | 9 | 9 | 8 |
| Cloudy days (≥ 70%) | 17 | 16 | 15 | 14 | 14 | 11 | 11 | 9 | 9 | 10 | 12 | 17 |
| Relative humidity (%) | 85 | 84 | 82 | 80 | 80 | 78 | 74 | 68 | 68 | 71 | 76 | 84 |
| Wind speed (mph) | 4.8 | 5.0 | 4.8 | 4.5 | 3.6 | 3.0 | 2.7 | 2.7 | 3.2 | 3.5 | 3.9 | 4.3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 69 | 64 | 59 | 59 | 55 |
| Clear days (≤ 30% cloud) | 5 | 4 | 6 | 7 | 7 | 8 |
| Partly cloudy days (30–70%) | 9 | 8 | 10 | 9 | 10 | 11 |
| Cloudy days (≥ 70%) | 17 | 16 | 15 | 14 | 14 | 11 |
| Relative humidity (%) | 85 | 84 | 82 | 80 | 80 | 78 |
| Wind speed (mph) | 4.8 | 5.0 | 4.8 | 4.5 | 3.6 | 3.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 55 | 51 | 48 | 49 | 56 | 65 |
| Clear days (≤ 30% cloud) | 7 | 9 | 11 | 12 | 9 | 6 |
| Partly cloudy days (30–70%) | 13 | 13 | 10 | 9 | 9 | 8 |
| Cloudy days (≥ 70%) | 11 | 9 | 9 | 10 | 12 | 17 |
| Relative humidity (%) | 74 | 68 | 68 | 71 | 76 | 84 |
| Wind speed (mph) | 2.7 | 2.7 | 3.2 | 3.5 | 3.9 | 4.3 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Franklin Sewage Plt (NOAA GHCN station USC00403280), about 39 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.