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Kennesaw, Georgia climate
Cfa Humid subtropical
Kennesaw has a seasonal mild-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is July with an average daily high near 29°C, while the coldest is January averaging around 0°C at night. Precipitation is fairly even year-round, totalling about 1427 mm. Snow is occasional (3 cm 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 countsKennesaw climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 14 | 19 | 22 | 25 | 28 | 29 | 29 | 26 | 22 | 17 | 13 |
| Avg temp (°C) | 6 | 8 | 12 | 16 | 19 | 23 | 25 | 24 | 21 | 16 | 11 | 7 |
| Avg low (°C) | 0 | 1 | 5 | 9 | 14 | 18 | 20 | 20 | 17 | 11 | 4 | 2 |
| Precipitation (mm) | 125 | 125 | 125 | 102 | 106 | 105 | 179 | 122 | 94 | 105 | 113 | 123 |
| Snowfall (cm) | 2 | 1 | 0 | — | — | — | — | — | — | — | — | 1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°C) | 12 | 14 | 19 | 22 | 25 | 28 |
| Avg temp (°C) | 6 | 8 | 12 | 16 | 19 | 23 |
| Avg low (°C) | 0 | 1 | 5 | 9 | 14 | 18 |
| Precipitation (mm) | 125 | 125 | 125 | 102 | 106 | 105 |
| Snowfall (cm) | 2 | 1 | 0 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 26 | 22 | 17 | 13 |
| Avg temp (°C) | 25 | 24 | 21 | 16 | 11 | 7 |
| Avg low (°C) | 20 | 20 | 17 | 11 | 4 | 2 |
| Precipitation (mm) | 179 | 122 | 94 | 105 | 113 | 123 |
| Snowfall (cm) | — | — | — | — | — | 1 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 8 | 9 | 7 | 8 | 10 | 11 | 9 | 6 | 7 | 7 | 8 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | 1 | 2 | 3 | 0.3 | — | — | — |
| Days with low ≤ 0°C (days) | 12 | 9 | 4 | 0.3 | — | — | — | — | — | 0.4 | 3 | 11 |
| Days with snowfall ≥ 2.5 cm (days) | 0.1 | 0.0 | 0.0 | — | — | — | — | — | — | — | — | 0.1 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 8 | 9 | 7 | 8 | 10 |
| Days with high ≥ 32°C (days) | — | — | — | — | — | 1 |
| Days with low ≤ 0°C (days) | 12 | 9 | 4 | 0.3 | — | — |
| Days with snowfall ≥ 2.5 cm (days) | 0.1 | 0.0 | 0.0 | — | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 11 | 9 | 6 | 7 | 7 | 8 |
| Days with high ≥ 32°C (days) | 2 | 3 | 0.3 | — | — | — |
| Days with low ≤ 0°C (days) | — | — | — | 0.4 | 3 | 11 |
| Days with snowfall ≥ 2.5 cm (days) | — | — | — | — | — | 0.1 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 61 | 58 | 53 | 53 | 57 | 57 | 55 | 49 | 44 | 49 | 59 |
| Clear days (≤ 30% cloud) | 8 | 6 | 8 | 10 | 9 | 6 | 6 | 7 | 11 | 13 | 11 | 8 |
| Partly cloudy days (30–70%) | 10 | 9 | 10 | 9 | 11 | 12 | 14 | 13 | 10 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 13 | 13 | 13 | 11 | 11 | 11 | 11 | 11 | 9 | 9 | 10 | 14 |
| Relative humidity (%) | 83 | 83 | 81 | 79 | 77 | 74 | 71 | 70 | 70 | 72 | 76 | 83 |
| Wind speed (m/s) | 1.3 | 1.3 | 1.3 | 1.2 | 1.1 | 0.9 | 0.9 | 0.9 | 1.0 | 1.1 | 1.1 | 1.2 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 58 | 61 | 58 | 53 | 53 | 57 |
| Clear days (≤ 30% cloud) | 8 | 6 | 8 | 10 | 9 | 6 |
| Partly cloudy days (30–70%) | 10 | 9 | 10 | 9 | 11 | 12 |
| Cloudy days (≥ 70%) | 13 | 13 | 13 | 11 | 11 | 11 |
| Relative humidity (%) | 83 | 83 | 81 | 79 | 77 | 74 |
| Wind speed (m/s) | 1.3 | 1.3 | 1.3 | 1.2 | 1.1 | 0.9 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 57 | 55 | 49 | 44 | 49 | 59 |
| Clear days (≤ 30% cloud) | 6 | 7 | 11 | 13 | 11 | 8 |
| Partly cloudy days (30–70%) | 14 | 13 | 10 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 11 | 11 | 9 | 9 | 10 | 14 |
| Relative humidity (%) | 71 | 70 | 70 | 72 | 76 | 83 |
| Wind speed (m/s) | 0.9 | 0.9 | 1.0 | 1.1 | 1.1 | 1.2 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Mableton 1 N (NOAA GHCN station USC00095404), about 19 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.