Marietta, NC
Climate overview — based on NOAA 1991-2020 normals from LUMBER RVR SP, NC US.
Year-round temperatures (°F)
Climate summary
Marietta has an annual average temperature of 61.6°F with about 51.4 inches of precipitation per year. The warmest month is July (average high 89.5°F), and the coldest is January (average low 31.5°F). September is typically the wettest month (6.42 in) and October the driest (3.34 in).
Best time to visit Marietta
Full guide →Climate change signal
All-time records →181 of 366 (49.5%) 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.
| 2000s | 70 | |
| 2010s | 202 | |
| 2020s | 94 |
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 | 55.3°F | 31.5°F | 43.4°F | 3.79 in | — | — |
| February | 58.5°F | 34.1°F | 46.3°F | 3.43 in | — | — |
| March | 65.3°F | 39.6°F | 52.5°F | 3.93 in | — | — |
| April | 73.5°F | 47.4°F | 60.5°F | 3.55 in | — | — |
| May | 80.4°F | 57.9°F | 69.2°F | 4.14 in | — | — |
| June | 87.2°F | 65.5°F | 76.3°F | 5.01 in | — | — |
| July | 89.5°F | 69.0°F | 79.3°F | 4.98 in | — | — |
| August | 88.3°F | 68.6°F | 78.4°F | 5.53 in | — | — |
| September | 83.0°F | 62.2°F | 72.6°F | 6.42 in | — | — |
| October | 74.2°F | 49.6°F | 61.9°F | 3.34 in | — | — |
| November | 65.5°F | 40.2°F | 52.8°F | 3.49 in | — | — |
| December | 58.0°F | 34.5°F | 46.2°F | 3.75 in | — | — |
Climate twins of Marietta
Why these? →The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).