Indianapolis weather in July: Indianapolis, Indiana: normal highs, lows, rain and records for July
Indianapolis in July has a normal high of 85°F and a normal low of 66°F, a daily mean of 76°F, holding near 85°F all month. Measurable precipitation falls on 10 days in a normal July, 4.42 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 19°C, 112 mm of precipitation in July.
- NOAA stationIndianapolis International Airport
- Station IDUSW00093819
- Location39.71°N 86.28°W
- Elevation790 ft (241 m)
- From the center9 miles
- Population891,484
- Jan 36° 21°
- Feb 41° 24°
- Mar 52° 33°
- Apr 64° 43°
- May 73° 54°
- Jun 82° 63°
- Jul 85° 66°
- Aug 84° 65°
- Sep 78° 57°
- Oct 66° 46°
- Nov 52° 35°
- Dec 40° 26°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Indianapolis in July?
The normal high is 85°F and the normal low 66°F, for a daily mean of 75.8°F. July is 3.3°F warmer than June and 1.1°F warmer than August. July is the warmest month of the year in Indianapolis and the 3rd wettest. From one year to the next July's mean temperature typically moves about 2.9°F either way (NOAA's standard deviation), so roughly two Julys in three average between 73°F and 79°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 36%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 85°F | 66°F | 36% | 24% |
| July 8 | 85°F | 67°F | 35% | 22% |
| July 15 | 85°F | 67°F | 33% | 21% |
| July 22 | 85°F | 67°F | 32% | 20% |
| July 31 | 85°F | 66°F | 30% | 19% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 12, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 85°F | 66°F | 36% | 24% | 15 h |
| July 2 | 85°F | 66°F | 36% | 23% | 15 h |
| July 3 | 85°F | 66°F | 36% | 23% | 15 h |
| July 4 | 85°F | 66°F | 36% | 23% | 14 h 50 min |
| July 5 | 85°F | 66°F | 36% | 23% | 14 h 50 min |
| July 6 | 85°F | 66°F | 35% | 23% | 14 h 50 min |
| July 7 | 85°F | 66°F | 35% | 23% | 14 h 50 min |
| July 8 | 85°F | 67°F | 35% | 22% | 14 h 50 min |
| July 9 | 85°F | 67°F | 35% | 22% | 14 h 50 min |
| July 10 | 85°F | 67°F | 34% | 22% | 14 h 50 min |
| July 11 | 85°F | 67°F | 34% | 22% | 14 h 50 min |
| July 12 | 85°F | 67°F | 34% | 22% | 14 h 50 min |
| July 13 | 85°F | 67°F | 34% | 21% | 14 h 50 min |
| July 14 | 85°F | 67°F | 33% | 21% | 14 h 50 min |
| July 15 | 85°F | 67°F | 33% | 21% | 14 h 40 min |
| July 16 | 85°F | 67°F | 33% | 21% | 14 h 40 min |
| July 17 | 85°F | 67°F | 33% | 21% | 14 h 40 min |
| July 18 | 85°F | 67°F | 33% | 21% | 14 h 40 min |
| July 19 | 85°F | 67°F | 32% | 21% | 14 h 40 min |
| July 20 | 85°F | 67°F | 32% | 21% | 14 h 40 min |
| July 21 | 85°F | 67°F | 32% | 21% | 14 h 40 min |
| July 22 | 85°F | 67°F | 32% | 20% | 14 h 30 min |
| July 23 | 85°F | 66°F | 32% | 20% | 14 h 30 min |
| July 24 | 85°F | 66°F | 32% | 20% | 14 h 30 min |
| July 25 | 85°F | 66°F | 31% | 20% | 14 h 30 min |
| July 26 | 85°F | 66°F | 31% | 20% | 14 h 30 min |
| July 27 | 85°F | 66°F | 31% | 20% | 14 h 30 min |
| July 28 | 85°F | 66°F | 31% | 20% | 14 h 20 min |
| July 29 | 85°F | 66°F | 31% | 20% | 14 h 20 min |
| July 30 | 85°F | 66°F | 31% | 20% | 14 h 20 min |
| July 31 | 85°F | 66°F | 30% | 19% | 14 h 20 min |
- Normal high
- 85°FJuly average
- Normal low
- 66°FJuly average
- Precipitation
- 4.42 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 7
- Daylight
- 15 h to 14 h 20 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 26
- Sunshine
- 80%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093819; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Indianapolis in July?
On a given July day the chance of 0.01 inch or more is 33% on average, highest around July 1 (36%). In all, 4.42 in falls on 10 days of a normal July, 1 of them with an inch or more.
In a normal July in Indianapolis, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093819.
How humid and windy is Indianapolis in July?
At 3 p.m. the normal temperature is 83°F with 52% relative humidity and a dew point of 64°F; at 6 a.m. it is 67°F with 87% humidity. The wind averages 7.4 mph, most often from the west-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 67°F | 63°F | 87% | 5.3 mph | 39% |
| 9 a.m. | 75°F | 65°F | 71% | 7.3 mph | 43% |
| noon | 81°F | 64°F | 57% | 8.8 mph | 25% |
| 3 p.m. | 83°F | 64°F | 52% | 9.8 mph | – |
| 6 p.m. | 81°F | 64°F | 56% | 9.8 mph | 23% |
| 9 p.m. | 75°F | 64°F | 69% | 6.4 mph | 38% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093819. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for July in Indianapolis?
The warmest July temperature on Indianapolis's official record (since 1871) is 106°F, on July 22, 1901; the coldest is 46°F, on July 21, 1944. The wettest July brought 13.14 in (2015).
The July mean against the 1991-2020 normal of 75.8°F: 2021 74.9°F (−0.9), 2022 78.0°F (+2.3), 2023 76.0°F (+0.3), 2024 75.4°F (−0.4), 2025 79.5°F (+3.7), 2026 78.1°F (+2.3). 4 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 74.9°F | −0.9°F | 6.34 in |
| 2022 | 78.0°F | +2.3°F | 3.10 in |
| 2023 | 76.0°F | +0.3°F | 6.06 in |
| 2024 | 75.4°F | −0.4°F | 6.46 in |
| 2025 | 79.5°F | +3.7°F | 4.30 in |
| 2026 | 78.1°F | +2.3°F | 1.63 in |
Source: records: ACIS, NWS threaded record INDthr; recent months: ACIS, station USW00093819. Records and recent months use complete months only.
How does July in Indianapolis compare across Indiana?
Across the 99 places PlainClimate covers in Indiana, July normal highs run from 82°F in Angola to 89°F in Vincennes; Indianapolis's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.