Marietta, GA Weather & Climate Normals
What a normal year in Marietta actually looks like
On the 30-year record NOAA keeps for Marietta, GA, the comfort score comes out to 52/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Marietta's weather actually swings
Average temperatures in Marietta run from 43°F in Jan up to 76°F in Jul, a 33.6°F seasonal swing, a middling gap by national standards.
Marietta, month by month
| Month | Avg high | Avg low | Precip | Snow |
|---|---|---|---|---|
| Jan | 53°F | 32°F | 4.94in | 0.7in |
| Feb | 57°F | 35°F | 4.94in | 0.2in |
| Mar | 65°F | 40°F | 4.94in | 0.1in |
| Apr | 72°F | 48°F | 4.03in | 0in |
| May | 77°F | 57°F | 4.18in | 0in |
| Jun | 82°F | 65°F | 4.14in | 0in |
| Jul | 84°F | 68°F | 7.03in | 0in |
| Aug | 84°F | 68°F | 4.81in | 0in |
| Sep | 80°F | 62°F | 3.7in | 0in |
| Oct | 71°F | 51°F | 4.15in | 0in |
| Nov | 63°F | 40°F | 4.46in | 0in |
| Dec | 55°F | 35°F | 4.86in | 0.2in |
If you're timing a visit, Apr, May, Jun, Sep, and Oct are Marietta's mildest stretch; if you're moving there, you should plan around Jul's heat and Jan's cold instead.
How wet Marietta actually gets
Over a typical year, Marietta sees about 56.18in of precipitation a year across roughly 109 days with measurable rain or snow, with 1.2in of snow a year.
Marietta against the rest of the country
Out of 4876 cities scored here, Marietta comes in at 1202; within GA alone it ranks 66 of 148. Population is about 63,122.
Checking the actual forecast
These figures come from Mableton 1 N, GA US, the NOAA station 7.2 miles from Marietta, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why this uses the nearest NOAA station · How the comfort score is calculated