Indianapolis, IN weather and climate in 2024
Day
4 °C
Night
-4 °C
Sea
0 °C
Precipitation
82 mm
in month
Rainy days
12 days
in month
Daylight
9 hours
average
Sunshine
3 hours
average
Humidity
78 %
Day
4 °C
Night
-4 °C
Sea
0 °C
Precipitation
82 mm
in month
Rainy days
12 days
in month
Daylight
9 hours
average
Sunshine
3 hours
average
Humidity
78 %
Overview: Indianapolis, IN
Weather charts for Indianapolis, IN
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Weather overview for Indianapolis, IN
Weather overview
Indianapolis weathers all four seasons, with brisk cold winters that can dip below freezing, transitioning into springs that warm gently. Summers manifest with sunshine and occasional hot streaks, and fall brings a crisp air paired with a kaleidoscope of leaves. Precipitation is spread throughout the year with summertime thunderstorms and snowy winter days. The average daytime temperatures can soar up to the late 30 °C (85 °F) in July, while January sees night temperatures that can plunge to a chilly -7 °C (20 °F). No matter the month, the city has its own unique charm that is complemented by its weather patterns.
January weather
January in Indianapolis feels the brunt of winter with average nighttime lows reaching -7 °C (20 °F). Daytimes bring some respite, though still chilly, at around 2 °C (35 °F). Frequent snowfall contributes to the 11 of precipitation this month, necessitating warm layers when heading out.
February weather
February sees a slight uptick in daytime warmth to 4 °C (39 °F) in Indianapolis, while nights are still cold at -5 °C (22 °F). The city's weather endeavors to shrug off winter with 10 of precipitation and sometimes blustery winds averaging 4 m/s.
March weather
In March, Indianapolis begins to thaw, with the daytime temperature rising to a more comfortable 10 °C (51 °F). Nighttime remains cool at an average of 0 °C (31 °F). The city gets its fair share of spring showers with 12 of precipitation and a gentle breeze averaging 4 m/s.
April weather
April in Indianapolis is truly spring-like with average high temperatures reaching 17 °C (63 °F) and nights warming up to 5 °C (41 °F). The city experiences 12 of wet weather, while the sun graces us more often with 7 hours of sunshine daily.
May weather
May brings warmer breezes to Indianapolis with an average daytime high of 23 °C (73 °F) and a noticeable drop in wind speed to 4 m/s. Nights are comfortable at 11 °C (51 °F), and despite 13 of rain, the sun triumphs with 9 hours of average daily sunshine.
June weather
June in Indianapolis heats up with an average high of 28 °C (82 °F). As summer sets in, nights become balmy at around 16 °C (61 °F). The city encounters 11 of precipitation, mostly from thunderstorms, and a peak of 10 hours of sunshine offers ample opportunity to enjoy the extended days.
July weather
July is the zenith of summer in Indianapolis, with scorching average high temperatures reaching 30 °C (85 °F). Evening relief is mild with averages at 18 °C (65 °F), and the city can expect 11 of rain, typically in the form of brief, intense summer showers.
August weather
August offers a slight reprieve from the heat in Indianapolis with the average high temperature dipping to 29 °C (84 °F). Nights remain warm at 17 °C (63 °F), and with 10 of rain, it's still wise to have a rain plan alongside your outdoor adventures.
September weather
The arrival of September in Indianapolis hints at the coming fall with a noticeable decrease in daytime heat to 26 °C (78 °F). Night temperatures begin to cool to 13 °C (55 °F), and with 9 of rain, the weather remains dynamic.
October weather
October sees a further dip in temperatures in Indianapolis, averaging a daytime high of 19 °C (66 °F). With the fall season in full swing, night temperatures average at 6 °C (43 °F), alongside a moderate 9 of precipitation.
November weather
November introduces the chill of the approaching winter to Indianapolis, with average highs reaching just 11 °C (53 °F). Nights grow colder, averaging at 1 °C (34 °F), and rain over 10 can often turn to early snowflakes.
December weather
December marks the onset of winter in Indianapolis, reverting to colder days with an average high of 4 °C (39 °F) and nights potentially dropping to an average low of -4 °C (24 °F). The city winters are marked by 12 of precipitation, often snow, making the month festive and frosty.
FAQs
How should I dress for a January day in Indianapolis?
Dressing in January in Indianapolis demands warm attire, like thick coats, hats, gloves, and boots. Layering is essential to adapt to the varying 2 °C (35 °F) daytime temps and sub-freezing nights.
Is February much warmer than January in Indianapolis?
February in Indianapolis is marginally warmer during the day than January, increasing to an average of 4 °C (39 °F), but you'll still need to bundle up.
Is March the start of spring in Indianapolis?
March indeed ushers in spring to Indianapolis, with day temperatures averaging 10 °C (51 °F) signaling a softer, more temperate climate.
What kind of temperatures can I expect during the day in April in Indianapolis?
April days in Indianapolis become pleasantly warm, averaging 17 °C (63 °F). It's an inviting time for outdoor activities as the city turns green.
Is May a good month for outdoor activities in Indianapolis?
With daytime highs of 23 °C (73 °F) and plenty of sunshine, May is perfect for hiking, picnics, and enjoying the city's parks and gardens.
How hot does it get in Indianapolis in June?
June welcomes summer heat in Indianapolis with daytime temperatures rising to a toasty average high of 28 °C (82 °F)—ideal for poolside relaxation or early morning jogs.
Can July in Indianapolis be described as hot?
Absolutely, July in Indianapolis is characterized by its hot days averaging 30 °C (85 °F), making it the warmest month of the year.
Is August significantly cooler than July in Indianapolis?
August temperatures in Indianapolis are marginally cooler than July, dropping to an average high of 29 °C (84 °F)—still pleasantly warm for all summer activities.
Does September in Indianapolis feel like autumn?
September does evoke the start of autumn in Indianapolis, with daytime temperatures declining to a comfortable 26 °C (78 °F) and evening chills beginning to set in.
What is the average daytime temperature in Indianapolis during October?
Indianapolis in October offers a moderate climate with an average high of 19 °C (66 °F), ideal for savoring the colorful fall landscapes.
How much does it cool down in November in Indianapolis?
November in Indianapolis witnesses a definite cool down, with daily highs only reaching 11 °C (53 °F), calling for warmer attire.
Is December very cold in Indianapolis?
Indeed, December in Indianapolis is characterized by its cold with an average high of just 4 °C (39 °F), indicating winter's firm grip on the city.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.