Indianapolis Climatological
Information

 

Daily/Monthly Summaries | Normals
Records | Holidays and Events

NOTE:

The climate information on this page is PRELIMINARY. CERTIFIED climate data is available from the National Climatic Data Center (828-271-4800) or from the Midwest Climate Center (217-244-8226). For questions regarding climate information on this page, send an e-mail to our Webmaster, or call our public service line at 317-856-0664 (weekdays, 800am-430pm)

Daily/Monthly Summaries 1996-2008

Indianapolis Daily and Monthly Climate Summaries (F6's and CLM's)

 

 

 

Normals and Averages

Monthly Climate Averages for Indianapolis
Month Average High Average Low Average Precip Average Snowfall
January 34 .5 18.5 2.48 9.3
February 39.9 22.5 2.41 6.1
March 51.4 32.0 3.44 3.1
April 62.9 41.2 3.61 0.4
May 73.5 51.8 4.36Trace
June 82.1 61.3 4.130.0
July 85.6 65.2 4.420.0
August 83.7 63.3 3.820.0
September 77.4 55.2 2.880.0
October 65.6 43.6 2.76 0.4
November 51.6 34.1 3.61 1.3
December 39.2 24.0 3.03 6.4
Annual 62.3 42.7 40.95 27.0

 

Records

Daily Records:

Temperature, Preciptation, Snowfall/Snowdepth, Lowest Maximum/Highest Minimum

Please choose the month and the type of data you are interested in:

   

Monthly Temperature and Precipitation Extremes:

Click on the month to get the top ten temperature and precipitation extremes for that month.

January February March April May June
July August September October November December

(Updated as records occur)

Seasonal Temperature and Precipitation Extremes

Click on a season to get extreme temperature and precipitation data.

Winter Spring Summer Fall Annual

(Updated as records occur)

Holidays and Events Extremes and Normals

New Years Christmas Thanksgiving  Easter

 

Other Records and Averages of Interest:

Temperature

Highest Temperature ever recorded: 107 on July 25, 1934
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 22
Earliest First Freeze Date on Record: September 30, 1899
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: 13.12 in July 1875
Minimum in 1 Month: 0.07 in March 1910
Maximum in 1 Year: 57.65 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: 15.5 on January 25-27, 1978
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 8, 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: January 15, 1965 and January 26, 1978 with 10.3 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 (Sea Level, in inches)

Highest: 30.97 on February 12, 1981

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