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Monthly Precipitation Table (20 years)
Indianapolis International Airport Daily and Monthly Climate Summaries (CF6)
| Month | Average High |
Average Low
|
Average Precip
|
Average Snowfall
|
| January | 35 .6 | 20.5 | 2.66 | 8.6 |
| February | 40.2 | 23.9 | 2.32 | 6.5 |
| March | 51.7 | 32.8 | 3.56 | 2.6 |
| April | 63.4 | 42.7 | 3.81 | 0.2 |
| May | 72.8 | 52.6 | 5.05 | Trace |
| June | 81.9 | 62.1 | 4.25 | 0.0 |
| July | 85.0 | 65.8 | 4.55 | 0.0 |
| August | 84.0 | 64.4 | 3.13 | 0.0 |
| September | 77.6 | 56.2 | 3.12 | 0.0 |
| October | 65.3 | 44.7 | 3.12 | 0.4 |
| November | 52.2 | 35.1 | 3.70 | 0.7 |
| December | 38.9 | 24.4 | 3.17 | 6.9 |
| Annual | 62.5 | 43.9 | 42.44 | 25.9 |
Temperature, Precipitation, Snowfall/Snow Depth, Lowest Maximum/Highest Minimum Temperature
Please choose the month and the type of data you are interested in:
(Updated as records occur)
Click on a season to get extreme temperature and precipitation data.
| Winter | Spring | Summer | Fall | Annual |
(Updated as records occur)
| New Years | Christmas | Thanksgiving | Easter |
Highest Temperature ever recorded: 106 on July 14, 1936 (last of several dates)
Lowest Temperature ever recorded: -27 on January 19, 1994
Greatest temperature change during a calendar day: 58 degrees on January 12, 1916
The high was 68 degrees while the low was 10 degrees.
Average First Freeze Date: October 16
Average Last Freeze Date: April 17
Earliest First Freeze Date on Record: September 30, 1899 and 1993
Latest Last Freeze Date on Record: May 27, 1961
Precipitation (in inches)
Maximum in 24 hours: 7.20 on September 1, 2003
Maximum in 1 Month: 13.14 in July 2015
Minimum in 1 Month: 0.07 in March 1910
Maximum in 1 Year: 57.50 in 1876
Minimum in 1 Year: 24.97 in 1934
Most consecutive days with measurable precipitation: 13; from April 9-21, 1893
Most consecutive days without measurable precipitation: 39; from August 14-September 22, 1908
Snowfall (in inches)
Maximum in 24 hours: 12.5 on February 24-25, 1965
Maximum in a single storm: 16.1 on February 16-17, 1910
Maximum in 1 month: 30.6 in January 1978
Maximum in 1 season: 58.2 on 1981-82
Maximum Depth Measured: 20 on January 26-28, 1978
Average Date of First Measurable Snowfall: November 19
Average Date of Last Measurable Snowfall: March 30
Earliest Date of First Measurable Snowfall: October 18, 1989
Latest Date of Last Measurable Snowfall: May 9, 1923
Since 1948...
Day of the Year which has Received the Most Snow: February 25 with 40.8 inches
Maximum Snowfall in a Calendar Day: March 19, 1906 with 12.1 inches
Day of the Year with the Greatest Average Snow Depth: January 31 with 1.7 inches on the ground
Day(s) of the Year with the Most Number of Snow Days of a Trace or Greater: January 9, 15 and 30 with 29 Days
Wind (miles-per-hour)
Average direction and speed: 9.6 from the Southwest
Highest wind gust on record: 111 from the Northwest on June 29, 1929
Pressure (inches of Mercury, reduced to sea level)
Highest: 30.96 on February 12, 1981
Lowest: 28.78 on February 28, 1902
| January | February | March | April |
| May | June | July | August |
| September | October | November | December |
| Spring | Summer | Fall | Annual |
| Winter (2020-21) |
| January | February | March | April |
| May | June | July | August |
| September | October | November | December |
| Winter (2019-20) | Spring | Summer | Fall |
| Annual |
Indianapolis Observed Monthly Precipitation Table
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