Marion (IN) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Marion.

Climate overview of Marion

Marion, Indiana, United States of America, sees big temperature differences between seasons, with July peaking at 29°C (84°F) and February dropping to 1°C (34°F).

Rain/snowfall is high, totalling around 1089 mm (43 in) per year. June is the wettest month and February the driest. July is the sunniest month, averaging 11.5 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

Visitors to Marion can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 29°C (84°F) in July, the warmest time of the year, to a very cold 1°C (34°F) during cooler months like February.

At night, you can expect temperatures ranging from 17°C (63°F) in July to around -8°C (18°F) during February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Marion

Marion is known for its substantial rain/snowfall, with annual precipitation reaching 1089 mm (43 in). While rainfall varies throughout the year, each season offers its own charm. June brings wetter days averaging 135 mm (5.3 in) of precipitation, spread over 14 rainy days.

In contrast, the driest month February experiences a drier climate, with about 64 mm (2.5 in) of snow/rainfall spread across 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

Sunshine Hours in Marion

Seasonal changes in sunshine hours are quite dramatic in Marion. While July receives considerable daily sunshine with up to 11.5 hours, December marks the darkest time of the year, where sunshine is scarce with only 3.5 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Fort Wayne, the United States of America (72 KM, 45 Miles).

Daily hours of sunshine

Data from: Fort Wayne, the United States of America (72 KM, 45 Miles).

Humidity in Marion by Month

Best Time to Visit Marion

During May, June, July, August and September, Marion experiences its most favorable weather, with temperatures between 23°C (73°F) and 29°C (83°F). These mild conditions make it an excellent time for a visit.

The weather does bring rainfall during this period, between 74 mm (2.9 in) and 135 mm (5.3 in).

Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.

Frequently asked questions about the climate in Marion

What is the best time to visit Marion?

July and September typically offer the most optimal weather in Marion. In contrast, January, February, March, November and December tend to have less optimal conditions.

What temperatures can I expect in Marion?

Daytime highs range from 1°C (34°F) in February to 29°C (84°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 1089 mm (43 in). June is the wettest month with 135 mm (5.3 in), while February is the driest with 64 mm (2.5 in).

How sunny is Marion?

Marion receives around 2,779 hours of sunshine per year. July is the sunniest month with 345 hours, while December is the cloudiest with just 106 hours. Overall, Marion enjoys abundant sunshine.

Marion 3-Day Forecast

Marion (IN) 3-Day Forecast

Marion on the map

Marion is highlighted — select any city to see its climate.

Popular this month

Where to go in July — average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.