Climate in Marietta (Ohio), United States of America

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

The mean monthly precipitation over the year, including rain, snow, hail etc.

The average number of days each month with rain, snow, hail etc.

Tue Apr 30

23°C | 13°C

11 km/h

7.6 mm

overcast and heavy rain

hourly forecast

Wed May 01

28°C | 10°C

14 km/h

clear and no rain

hourly forecast

Thu May 02

29°C | 12°C

7 km/h

partly cloudy and no rain

hourly forecast

Other facts from our historical weather data:

When is summer in Marietta?
The hottest season / summer takes place in June, July, August and September.

Which is the warmest month in Marietta?
August has an average maximum temperature of 29°C and is the warmest month of the year.

Which is the coldest month in Marietta?
The coldest month is February with an average maximum temperature of 4°C.

Which is the wettest month in Marietta?
June tops the wettest month list with 125 mm of rainfall.

Which is the driest month in Marietta?
November is the driest month with 65 mm of precipitation.

No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.