Marion (OH) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Marion.
Climate overview of Marion
Temperatures in Marion, Ohio, United States of America, vary greatly throughout the year. July is the hottest month at 28°C (82°F), while January is the coldest at 1°C (34°F).
The city receives considerable rain/snowfall, with around 1068 mm (42 in) annually. June is the wettest month. It has warm summers and very cold winters. July is the sunniest month, averaging 8.7 hours of sunshine per day.
Marion Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Marion - and find the best time to visit.
Monthly Temperature in Marion
The climate in Marion is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a comfortable 28°C (82°F) in July to a very cold 1°C (34°F) in the coolest month, January.
Nights vary from 17°C (63°F) in July to around -8°C (18°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Marion
Marion has a notably wet climate with abundant precipitation, recording 1068 mm (42 in) of rain/snowfall per year. The climate in Marion shows significant variation throughout the year. Expect high rainfall in June, the wettest month, with an average of 134 mm (5.3 in) of precipitation over 13 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 58 mm (2.3 in) of snow/rainfall over 11 snowy/rainy days. For more details, please visit our Marion Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Marion
For those who appreciate different seasons, Marion serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 8.7 hours of sunshine daily, and embrace the darker days in December, offering only 2.8 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Marion by Month
The relative humidity is high throughout the year in Marion.
The city experiences its highest humidity in December, reaching 74%. In April, the humidity drops to its lowest level at 62%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Marion
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: August and September
- Warmest weather: June, July and August
- Most sunshine: June and July
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Marion
What is the best time to visit Marion?
August and September typically offer the most optimal weather in Marion. In contrast, January, February, March, November and December tend to have less optimal conditions. Marion has warm summers and very cold winters.
What temperatures can I expect in Marion?
Daytime highs range from 1°C (34°F) in January to 28°C (82°F) in July. Nighttime lows range from -8°C (18°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Marion get?
Annual rainfall is around 1068 mm (42 in). June is the wettest month with 134 mm (5.3 in), while February is the driest with 58 mm (2.3 in).
How sunny is Marion?
Marion receives around 2,178 hours of sunshine per year. July is the sunniest month with 260 hours, while December is the cloudiest with just 84 hours. Overall, Marion enjoys abundant sunshine.
Marion 3-Day Forecast
Marion (OH) 3-Day Forecast
Marion on the map
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