Historical Weather in Indianapolis, IN
See 55+ years of weather history for any date in Indianapolis going back to 1970.
Part of Indiana weather history · Indiana temperature records
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Monthly Climate Averages
Historical temperature and precipitation averages for Indianapolis, IN, based on 55+ years of weather data.
Warmest MonthJulyAvg High: 85°F / Low: 65°F
Coldest MonthJanuaryAvg High: 34°F / Low: 18°F
Jan
34°/ 18°
💧 6.3"
❄️ 1.7"
Feb
39°/ 22°
💧 6.8"
❄️ 2.0"
Mar
50°/ 31°
💧 7.9"
❄️ 1.6"
Apr
62°/ 41°
💧 8.5"
❄️ 0.5"
May
73°/ 52°
💧 9.8"
Jun
81°/ 61°
💧 11.5"
Jul
85°/ 65°
💧 11.9"
Aug
83°/ 63°
💧 11.0"
Sep
77°/ 55°
💧 10.1"
Oct
65°/ 43°
💧 9.2"
❄️ 1.6"
Nov
51°/ 34°
💧 9.0"
❄️ 0.9"
Dec
39°/ 24°
💧 7.4"
❄️ 1.6"
Temperatures in Fahrenheit. Precipitation and snowfall in inches.
Indianapolis, IN Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Avg high Avg low
Indianapolis, IN Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rain (in) Snow (in)
Indianapolis, IN Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
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Best Time to Visit Indianapolis, IN
Indianapolis, IN has no months that meet our "pleasant" threshold — every season has tradeoffs.
Jan
Feb
Mar
Apr
May
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Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal
Indianapolis Temperature Records
- Record High: The hottest temperature ever recorded in Indianapolis, IN is 109°F, set on June 28, 2012.
- Record Low: The coldest temperature ever recorded in Indianapolis, IN is -27°F, set on January 19, 1994.
- Data Coverage: Based on 17 years of data from NOAA weather station: CASTLETON 2 S.
All-Time Record High
109°F
June 28, 2012
All-Time Record Low
-27°F
January 19, 1994
Monthly Temperature Records in Indianapolis
| Month | Record High | Record Low |
|---|---|---|
| January | 68°F(2008) | -27°F(1994) |
| February | 77°F(2018) | -21°F(1982) |
| March | 86°F(2012) | -7°F(1980) |
| April | 89°F(1970) | 18°F(1972) |
| May | 96°F(2018) | 25°F(2020) |
| June | 109°F(2012) | 37°F(1992) |
| July | 109°F(2012) | 46°F(2001) |
| August | 102°F(1988) | 42°F(2000) |
| September | 100°F(2011) | 22°F(1999) |
| October | 93°F(2019) | 20°F(1976) |
| November | 82°F(2016) | 6°F(2019) |
| December | 74°F(1982) | -23°F(1989) |
Indianapolis Snow RecordsSee the top 10 snowiest days ever recorded
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Holiday Weather in Indianapolis
Weather Analysis & Trends
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