The climate of Indianapolis, the capital and main city of Indiana, is
, with very cold winters and warm to hot summers, during which there are quite frequent thunderstorms.
The city is located in the Midwest of the United States, at an altitude of 220 meters (720 feet).
of the coldest month (January) is of -1.9 °C (28.5 °F), that of the warmest month (July) is of 24.3 °C (75.8 °F).
amounts to 1,110 millimeters (43.6 inches) per year.
, from late November to early March, is very cold.
are frequent, and at times can be abundant. On average, 65 centimeters (25 inches) of snow fall per year. The heaviest snowfall in one day occurred in January 2014, when 29 cm (11.5 in) of snow fell. However, snow is not as abundant as on the east coast of the United States or in the Great Lakes region.
are intense, in fact, the temperature drops below -20 °C (-4 °F) almost every year. The record cold, -33 °C (-27 °F), was set in January 1994.
However, there can also be short, fairly mild periods, with highs of 12/13 °C (54/55 °F) or more.
, from June to August, is hot and quite sunny, although thunderstorms can break out in the afternoon.
. Typically, the temperature reaches 35 °C (95 °F) on the hottest days of the year, although the record is 40.5 °C (105 °F), set in July 2012.
, from mid-March to May and from September to mid-November, are unsettled seasons, with fairly frequent rains and sudden changes in temperature. However, there are also stable and pleasant periods.
can form, which are more likely in spring, but sometimes can also occur in autumn.
hours per year. Therefore, even though the winter is cold and the summer is rainy, the sun shines for a good number of hours.
The best times to visit Indianapolis are spring and autumn, especially the months of May and September.
In October, you can admire the beautiful colors of the trees losing their leaves (the phenomenon called
. Here are the average temperatures.
January, the coldest month of the year, is generally a very cold month. The average temperature is of
-1.9 °C, with a minimum of
-6.2 °C and a maximum of
2.3 °C.
On the coldest nights of the month, the temperature usually drops to around
-19 °C. However, it dropped to
-32.8 °C in January 1994.
On the warmest days of the month, the temperature usually reaches around
15 °C. However, it reached
20 °C in January 2008.
Precipitation amounts to
80 mm, distributed over 12 days.
The day lasts on average 9 hours and 40 minutes.
There are on average 4.5 hours of sunshine per day. So, the sun shines 44% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of
17.6 kph.
February is generally a cold month. The average temperature is of
0.3 °C, with a minimum of
-4.3 °C and a maximum of
4.9 °C.
On the coldest nights of the month, the temperature usually drops to around
-15 °C. However, it dropped to
-24.5 °C in February 1996.
On the warmest days of the month, the temperature usually reaches around
18 °C. However, it reached
25 °C in February 2018.
Precipitation amounts to
60 mm, distributed over 10 days.
The day lasts on average 10 hours and 40 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 49% of the time.
The average humidity is 72%. Hence, the air is normally humid.
The average wind speed is of
17.4 kph.
March is generally a quite cold month. The average temperature is of
5.8 °C, with a minimum of
0.6 °C and a maximum of
11.1 °C.
On the coldest nights of the month, the temperature usually drops to around
-9.5 °C. However, it dropped to
-16.7 °C in March 1993.
On the warmest days of the month, the temperature usually reaches around
23.5 °C. However, it reached
28.9 °C in March 2012.
Precipitation amounts to
95 mm, distributed over 12 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 6 hours of sunshine per day. So, the sun shines 48% of the time.
The average humidity is 66%.
The average wind speed is of
17.7 kph.
April is generally a mild month. The average temperature is of
12 °C, with a minimum of
6.3 °C and a maximum of
17.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-2.5 °C. However, it dropped to
-8 °C in April 1997.
On the warmest days of the month, the temperature usually reaches around
27 °C. However, it reached
30 °C in April 2007.
Precipitation amounts to
110 mm, distributed over 12 days.
The day lasts on average 13 hours and 20 minutes.
There are on average 7 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 63%.
The average wind speed is of
18.1 kph.
May is generally a very mild month. The average temperature is of
17.5 °C, with a minimum of
12.1 °C and a maximum of
23 °C.
On the coldest nights of the month, the temperature usually drops to around
3 °C. However, it dropped to
-2.8 °C in May 2020.
On the warmest days of the month, the temperature usually reaches around
30.5 °C. However, it reached
35 °C in May 2018.
Precipitation amounts to
120 mm, distributed over 13 days.
The day lasts on average 14 hours and 25 minutes. So the days are long.
There are on average 8.5 hours of sunshine per day. So, the sun shines 59% of the time.
The average humidity is 67%.
The average wind speed is of
15.3 kph.
June is generally a warm month. The average temperature is of
22.5 °C, with a minimum of
17.2 °C and a maximum of
27.8 °C.
On the coldest nights of the month, the temperature usually drops to around
9.5 °C. However, it dropped to
2.8 °C in June 1992.
On the warmest days of the month, the temperature usually reaches around
33 °C. However, it reached
40 °C in June 2012.
Precipitation amounts to
125 mm, distributed over 12 days.
The day lasts on average 14 hours and 55 minutes. So the days are long. June 21, the summer solstice, is the longest day of the year in the Northern Hemisphere.
There are on average 9.5 hours of sunshine per day. So, the sun shines 64% of the time.
The average humidity is 68%.
The average wind speed is of
13.7 kph.
July, the warmest month of the year, is generally a warm to hot month. The average temperature is of
24.3 °C, with a minimum of
19.1 °C and a maximum of
29.6 °C.
On the coldest nights of the month, the temperature usually drops to around
13.5 °C. However, it dropped to
8.9 °C in July 2001.
On the warmest days of the month, the temperature usually reaches around
34 °C. However, it reached
40.6 °C in July 2012.
Precipitation amounts to
110 mm, distributed over 10 days.
The day lasts on average 14 hours and 35 minutes. So the days are long.
There are on average 9.5 hours of sunshine per day. So, the sun shines 65% of the time.
The average humidity is 69%.
The average wind speed is of
12.4 kph.
August is generally a warm to hot month. The average temperature is of
23.7 °C, with a minimum of
18.3 °C and a maximum of
29.1 °C.
On the coldest nights of the month, the temperature usually drops to around
13 °C. However, it dropped to
8 °C in August 2004.
On the warmest days of the month, the temperature usually reaches around
33.5 °C. However, it reached
36.7 °C in August 2010.
Precipitation amounts to
80 mm, distributed over 8 days.
The day lasts on average 13 hours and 35 minutes.
There are on average 9 hours of sunshine per day. So, the sun shines 65% of the time.
The average humidity is 70%.
The average wind speed is of
11.8 kph.
September is generally a warm month. The average temperature is of
19.9 °C, with a minimum of
14.1 °C and a maximum of
25.7 °C.
On the coldest nights of the month, the temperature usually drops to around
6 °C. However, it dropped to
0 °C in September 1993.
On the warmest days of the month, the temperature usually reaches around
32.5 °C. However, it reached
37.8 °C in September 2011.
Precipitation amounts to
80 mm, distributed over 8 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 8 hours of sunshine per day. So, the sun shines 62% of the time.
The average humidity is 67%.
The average wind speed is of
12.6 kph.
October is generally a mild month. The average temperature is of
13.1 °C, with a minimum of
7.5 °C and a maximum of
18.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-1 °C. However, it dropped to
-3.9 °C in October 1992.
On the warmest days of the month, the temperature usually reaches around
28.5 °C. However, it reached
33.3 °C in October 2019.
Precipitation amounts to
80 mm, distributed over 9 days.
The day lasts on average 11 hours and 5 minutes.
There are on average 6.5 hours of sunshine per day. So, the sun shines 57% of the time.
The average humidity is 68%.
The average wind speed is of
14.7 kph.
November is generally a quite cold month. The average temperature is of
6.3 °C, with a minimum of
1.6 °C and a maximum of
11 °C.
On the coldest nights of the month, the temperature usually drops to around
-6.5 °C. However, it dropped to
-13.3 °C in November 2019.
On the warmest days of the month, the temperature usually reaches around
21.5 °C. However, it reached
26.1 °C in November 2016.
Precipitation amounts to
90 mm, distributed over 10 days.
The day lasts on average 10 hours and 0 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 39% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
16.2 kph.
December is generally a cold month. The average temperature is of
0.7 °C, with a minimum of
-3.2 °C and a maximum of
4.7 °C.
On the coldest nights of the month, the temperature usually drops to around
-14 °C. However, it dropped to
-20.6 °C in December 2000.
On the warmest days of the month, the temperature usually reaches around
16.5 °C. However, it reached
22 °C in December 1998.
Precipitation amounts to
75 mm, distributed over 12 days.
The day lasts on average 9 hours and 25 minutes. December 21, the winter solstice, is the shortest day of the year in the Northern Hemisphere.
There are on average 3.5 hours of sunshine per day. So, the sun shines 35% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of
16.5 kph.