Marion, IN weather and climate in 2025
Day
25 °C
Night
12 °C
Sea
0 °C
Precipitation
73 mm
in month
Rainy days
9 days
in month
Daylight
12 hours
average
Sunshine
8 hours
average
Humidity
73 %
Day
25 °C
Night
12 °C
Sea
0 °C
Precipitation
73 mm
in month
Rainy days
9 days
in month
Daylight
12 hours
average
Sunshine
8 hours
average
Humidity
73 %
Overview: Marion, IN
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Weather overview for Marion, IN
Weather overview
Marion, Indiana experiences a typical Midwestern climate with considerable seasonal variations. Winter months bring average high temperatures hovering just above freezing, from 0 °C (33 °F) in January to 3 °C (37 °F) in December, and snowfall is common. Summertime, on the other hand, can be quite hot, with average highs reaching 29 °C (84 °F) in July. Rain is spread throughout the year, but the wettest months tend to be in the spring, seeing as much as 115 mm (4.51 in) in May. The transition seasons, spring and fall, provide a mix of mild and crisp weather. With the absence of a designated wet or dry season, residents can expect varied weather conditions year-round.
January weather
January in Marion sees the coldest night temperatures dipping to -8 °C (17 °F) with the potential for snow accumulation. Day temperatures are chilly, reaching only 0 °C (33 °F) on average, while precipitation is moderate at 59 mm (2.34 in).
February weather
February remains cold in Marion with a slight uptick in day temperatures compared to January, reaching 3 °C (37 °F). Nights are still very cold with -7 °C (20 °F) on average, while there's marginally less precipitation at 54 mm (2.11 in).
March weather
March sees the arrival of spring with a noticeable temperature rise; days reach a more tolerable 9 °C (48 °F), though nights remain cool averaging -2 °C (29 °F). The wettest days are behind us, but expect 74 mm (2.90 in) of rain.
April weather
April in Marion, IN brings a fresh breath of spring with average day temperatures reaching a comfortable 16 °C (61 °F). However, April showers are in full swing with a monthly average of 92 mm (3.64 in) of precipitation.
May weather
May temperatures continue to rise in Marion, with the heat of the day reaching an appealing 22 °C (72 °F) average. The May skies also bring the highest average precipitation of the year, with 115 mm (4.51 in).
June weather
June in Marion, IN signifies the beginning of summer with warmer days averaging 27 °C (81 °F) and nights around 15 °C (59 °F). Expect the sun to shine for nearly 11 hours a day with a reasonable 102 mm (4.01 in) of rain.
July weather
July in Marion, IN sees the peak of summer heat with average daytime highs of 29 °C (84 °F), while nighttime temperatures are cozy at 17 °C (63 °F). The rain doesn't give up, with an average of 115 mm (4.54 in) expected.
August weather
August in Marion may suggest a hint of moderation with average maximum temperatures dipping slightly to 28 °C (83 °F). Evening temperatures remain warm, and the skies grant us around 10 hours of sunshine daily.
September weather
With the arrival of September, Marion observes the onset of fall. Daytime averages settle at 25 °C (77 °F) and nights begin to cool off. Ample sunshine at 8 hours per day still marks the month, and the rainfall starts to taper off somewhat.
October weather
October in Marion, IN ushers in the heart of fall with day temperatures cooling to 18 °C (64 °F). The crisp air is complemented by 9 days of rainfall, which adds to the fall feeling.
November weather
November's chill arrives in Marion with day temperatures dropping to 10 °C (51 °F). The likelihood of frost increases as nights get colder, and the rainfall of 85 mm (3.34 in) begins to switch into winter precipitation.
December weather
December in Marion, IN embraces the onset of winter with short days of sunshine lasting only 3 hours and temperatures peaking at 3 °C (37 °F). Expect consistent cold and the possibility of snow amid the 12 days of rainfall.
FAQs
How cold does it get in Marion, IN at night in January?
The January night’s can get quite cold in Marion with temperatures averaging -8 °C (17 °F). Make sure to bundle up if you're venturing out after dark.
Are the days in Marion, IN starting to warm up by February?
Warming is a relative term; the average daytime temperatures in February climb to a chilly 3 °C (37 °F), which does feel a bit warmer compared to January.
How does the weather begin to change in Marion, IN during March?
March is a transitional month in Marion, IN, with daily temperatures climbing to 9 °C (48 °F), signaling the onset of spring, though the evenings remain brisk.
Is April pleasant in Marion, IN in terms of temperature?
Absolutely, April sees a significant warming trend in Marion, with daytime temperatures averaging a pleasant 16 °C (61 °F).
What are the typical temperatures in Marion, IN during the day in May?
May daytime temperatures in Marion are quite inviting, averaging a wonderful 22 °C (72 °F), perfect for enjoying outdoor spring activities.
How warm does it get during the day in Marion, IN in June?
June brings the warmth of early summer to Marion, with daytime temperatures reaching an average of 27 °C (81 °F), hinting at the hotter days just ahead.
Is July the hottest month in Marion, IN?
Yes, July is typically the hottest month of the year in Marion, with average highs reaching a sultry 29 °C (84 °F). An air conditioner and cold beverages are most people's best friends.
What is the weather typically like in Marion, IN during August?
August in Marion stays warm and summery, with daytime temperatures comfortably warm, signaling the onset of the end of summer.
Does September weather in Marion, IN reflect the change of seasons?
Definitely, September brings a noticeable shift towards autumn with pleasant day temperatures and slightly cooler nights as leaves start to turn.
What should I expect from October temperatures in Marion, IN?
October sees a further drop in temperatures in Marion, IN to an average daytime high of 18 °C (64 °F), bringing out the sweaters and light jackets.
How quickly do temperatures drop in Marion, IN during November?
The temperature drop in November is prompt, as the average daytime highs fall to 10 °C (51 °F), hinting that winter is just around the corner.
With winter beginning, how cold is December usually in Marion, IN?
December marks the arrival of winter with daytime highs just above freezing at 3 °C (37 °F), while nights can be quite cold, with the potential for icy conditions.
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