Marietta (OH) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Marietta.
Climate overview of Marietta
Marietta, Ohio, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 29°C (84°F) in August, while winters cool to 4°C (39°F) in February.
The city receives considerable rain/snowfall, with around 1111 mm (44 in) annually. June is the wettest month.
Marietta Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Marietta — and find the best time to visit.
Monthly Temperature in Marietta
Depending on the time of the year, temperatures range from comfortable to chilly in Marietta. Typically, average maximum daytime temperatures range from a comfortable 29°C (84°F) in August to a chilly 4°C (39°F) in the coolest month, February.
Nights vary from 18°C (64°F) in August to around -6°C (21°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Marietta
Marietta has a relatively rain/snowy climate with high precipitation levels, averaging 1111 mm (44 in) of rain/snowfall annually. Marietta offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month June (125 mm (4.9 in)) and the driest month November (65 mm (2.6 in)) is not too significant. For more details, please visit our Marietta Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Marietta
Rainfall during this time ranges from 77 mm (3 in) in September to 125 mm (4.9 in) in June. This means you can expect a mix of sunny days and occasional showers. Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.
Frequently asked questions about the climate in Marietta
What is the best time to visit Marietta?
August and September typically offer the most optimal weather in Marietta. In contrast, January, February and December tend to have less optimal conditions.
What temperatures can I expect in Marietta?
Daytime highs range from 4°C (39°F) in February to 29°C (84°F) in August. Nighttime lows range from -6°C (21°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Marietta get?
Annual rainfall is around 1111 mm (44 in). June is the wettest month with 125 mm (4.9 in), while November is the driest with 65 mm (2.6 in).
Marietta 3-Day Forecast
Marietta (OH) 3-Day Forecast
Marietta on the map
Marietta is highlighted — select any city to see its climate.
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