The weather in Indianapolis is characterised by distinct seasons and a humid continental climate. Summers are typically hot, humid and wet, with average highs peaking at around 85°F (29.4°C) in July, while winters are usually quite frosty and often snowy, with the average lows dropping to a crisp 20°F (-6.7°C) in January.
The absence of mountain ranges to the north of Indy, which allows frigid winds from Canada to strike the city unhindered, exacerbates the cold. As a result, Indy experiences less than 24 snowy days during the year, registering around 20 inches (50.8 cm) of snow. Spring and autumn are typically fairly pleasant but unpredictable, with occasional rainfall.
With an average annual precipitation of 45 inches (114.3 cm), rainfall is spread throughout the year but is heaviest during late spring and summer. The city's average humidity hovers around 78 percent through the year, peaking in December when cloud coverage is at its densest.
Those who enjoy getting out of the house will want to do so from late spring in May to autumn in September, when Indy experiences its most pleasant conditions. These months are mostly sunny with temperatures ranging from 56°F (13°C) to 85°F (29.4°C), affording plenty of opportunities to get outdoors and explore the city’s many attractions.
December to February will become clear that it’s time to batten down the hatches. Sunshine is generally in short supply at this time of the year, and temperatures drop below freezing. Snowstorms are also common. Indianapolis isn’t prone to weather hazards but does experience snowstorms, thunderstorms and rainstorms, which could lead to flood situations.
►For a list of the Circle City's top events throughout the year check out the Lifestyle in Indianapolis page.
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