Marietta, GA
Climate overview — based on NOAA 1991-2020 normals from MABLETON 1 N, GA US.
Year-round temperatures (°F)
Climate summary
Marietta has an annual average temperature of 60.1°F with about 56.2 inches of precipitation per year and 1.2 inches of snow. The warmest month is July (average high 83.8°F), and the coldest is January (average low 31.7°F). July is typically the wettest month (7.03 in) and September the driest (3.70 in). Snow typically falls from December through February.
Best time to visit Marietta
Full guide →Climate change signal
All-time records →0 of 366 (0%) of Marietta's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.
| 1990s | 9 | |
| 2000s | 253 | |
| 2010s | 104 |
Bars: number of all-time daily heat records still standing that were set in each decade.
Monthly averages
| Month | Avg High | Avg Low | Avg Temp | Precipitation | Snow | Rainy days |
|---|---|---|---|---|---|---|
| January | 53.3°F | 31.7°F | 42.5°F | 4.94 in | 0.7 in | 10 |
| February | 57.4°F | 34.6°F | 46.0°F | 4.94 in | 0.2 in | 9 |
| March | 65.4°F | 40.2°F | 52.8°F | 4.94 in | 0.1 in | 10 |
| April | 71.7°F | 48.3°F | 60.0°F | 4.03 in | — | 8 |
| May | 76.5°F | 57.4°F | 66.9°F | 4.18 in | — | 9 |
| June | 82.4°F | 65.1°F | 73.8°F | 4.14 in | — | 10 |
| July | 83.8°F | 68.4°F | 76.1°F | 7.03 in | — | 12 |
| August | 83.6°F | 67.9°F | 75.7°F | 4.81 in | — | 10 |
| September | 79.5°F | 61.8°F | 70.6°F | 3.70 in | — | 7 |
| October | 70.8°F | 50.9°F | 60.9°F | 4.15 in | — | 7 |
| November | 62.9°F | 39.8°F | 51.3°F | 4.46 in | — | 8 |
| December | 55.4°F | 34.9°F | 45.1°F | 4.86 in | 0.2 in | 9 |
Climate twins of Marietta
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).