Louisville weather in July: Louisville, Kentucky: normal highs, lows, rain and records for July
Louisville in July has a normal high of 89°F and a normal low of 71°F, a daily mean of 80°F, holding near 89°F all month. Measurable precipitation falls on 10 days in a normal July, 4.05 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 22°C, 103 mm of precipitation in July.
- NOAA stationLouisville International Airport
- Station IDUSW00093821
- Location38.18°N 85.74°W
- Elevation488 ft (149 m)
- From the center5 miles
- Population640,796
- Jan 44° 28°
- Feb 48° 31°
- Mar 58° 39°
- Apr 70° 49°
- May 78° 59°
- Jun 86° 67°
- Jul 89° 71°
- Aug 88° 70°
- Sep 82° 62°
- Oct 71° 50°
- Nov 58° 39°
- Dec 47° 32°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Louisville in July?
The normal high is 89°F and the normal low 71°F, for a daily mean of 79.9°F. July is 3.5°F warmer than June and 1.0°F warmer than August. July is the warmest month of the year in Louisville and the 6th wettest. From one year to the next July's mean temperature typically moves about 2.5°F either way (NOAA's standard deviation), so roughly two Julys in three average between 77°F and 82°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 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 89°F | 70°F | 34% | 24% |
| July 8 | 89°F | 71°F | 34% | 23% |
| July 15 | 89°F | 71°F | 33% | 23% |
| July 22 | 89°F | 71°F | 32% | 22% |
| July 31 | 89°F | 71°F | 30% | 21% |
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 | 89°F | 70°F | 34% | 24% | 14 h 50 min |
| July 2 | 89°F | 70°F | 34% | 24% | 14 h 50 min |
| July 3 | 89°F | 70°F | 34% | 24% | 14 h 50 min |
| July 4 | 89°F | 70°F | 34% | 24% | 14 h 50 min |
| July 5 | 89°F | 71°F | 34% | 24% | 14 h 40 min |
| July 6 | 89°F | 71°F | 34% | 24% | 14 h 40 min |
| July 7 | 89°F | 71°F | 34% | 23% | 14 h 40 min |
| July 8 | 89°F | 71°F | 34% | 23% | 14 h 40 min |
| July 9 | 89°F | 71°F | 34% | 23% | 14 h 40 min |
| July 10 | 89°F | 71°F | 34% | 23% | 14 h 40 min |
| July 11 | 89°F | 71°F | 33% | 23% | 14 h 40 min |
| July 12 | 89°F | 71°F | 33% | 23% | 14 h 40 min |
| July 13 | 89°F | 71°F | 33% | 23% | 14 h 40 min |
| July 14 | 89°F | 71°F | 33% | 23% | 14 h 40 min |
| July 15 | 89°F | 71°F | 33% | 23% | 14 h 40 min |
| July 16 | 89°F | 71°F | 33% | 22% | 14 h 30 min |
| July 17 | 89°F | 71°F | 33% | 22% | 14 h 30 min |
| July 18 | 89°F | 71°F | 32% | 22% | 14 h 30 min |
| July 19 | 89°F | 71°F | 32% | 22% | 14 h 30 min |
| July 20 | 89°F | 71°F | 32% | 22% | 14 h 30 min |
| July 21 | 89°F | 71°F | 32% | 22% | 14 h 30 min |
| July 22 | 89°F | 71°F | 32% | 22% | 14 h 30 min |
| July 23 | 89°F | 71°F | 31% | 22% | 14 h 20 min |
| July 24 | 89°F | 71°F | 31% | 22% | 14 h 20 min |
| July 25 | 89°F | 71°F | 31% | 21% | 14 h 20 min |
| July 26 | 89°F | 71°F | 31% | 21% | 14 h 20 min |
| July 27 | 89°F | 71°F | 31% | 21% | 14 h 20 min |
| July 28 | 89°F | 71°F | 30% | 21% | 14 h 20 min |
| July 29 | 89°F | 71°F | 30% | 21% | 14 h 10 min |
| July 30 | 89°F | 71°F | 30% | 21% | 14 h 10 min |
| July 31 | 89°F | 71°F | 30% | 21% | 14 h 10 min |
- Normal high
- 89°FJuly average
- Normal low
- 71°FJuly average
- Precipitation
- 4.05 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 14
- Daylight
- 14 h 50 min to 14 h 10 minJuly 1 to July 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 30
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093821; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Louisville in July?
On a given July day the chance of 0.01 inch or more is 32% on average, highest around July 1 (34%). In all, 4.05 in falls on 10 days of a normal July, 1 of them with an inch or more.
In a normal July in Louisville, 14 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093821.
How humid and windy is Louisville in July?
At 3 p.m. the normal temperature is 86°F with 49% relative humidity and a dew point of 65°F; at 6 a.m. it is 71°F with 84% humidity. The wind averages 6.2 mph, most often from the west in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 71°F | 66°F | 84% | 4.1 mph | – |
| 9 a.m. | 77°F | 67°F | 70% | 5.4 mph | – |
| noon | 84°F | 66°F | 55% | 7.5 mph | – |
| 3 p.m. | 86°F | 65°F | 49% | 8.7 mph | – |
| 6 p.m. | 85°F | 65°F | 52% | 8.8 mph | – |
| 9 p.m. | 79°F | 66°F | 63% | 6.0 mph | 43% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00093821. 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 Louisville?
The warmest July temperature on Louisville's official record (since 1872) is 107°F, on July 24, 1901; the coldest is 49°F, on July 23, 1947. The wettest July brought 16.46 in (1875).
The July mean against the 1991-2020 normal of 79.9°F: 2021 79.7°F (−0.2), 2022 82.0°F (+2.0), 2023 80.5°F (+0.5), 2024 80.3°F (+0.4), 2025 83.0°F (+3.1), 2026 79.9°F (at normal). 4 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 79.7°F | −0.2°F | 5.16 in |
| 2022 | 82.0°F | +2.0°F | 5.71 in |
| 2023 | 80.5°F | +0.5°F | 3.77 in |
| 2024 | 80.3°F | +0.4°F | 5.91 in |
| 2025 | 83.0°F | +3.1°F | 5.93 in |
| 2026 | 79.9°F | at normal | 7.18 in |
Source: records: ACIS, NWS threaded record SDFthr; recent months: ACIS, station USW00093821. Records and recent months use complete months only.
How does July in Louisville compare across Kentucky?
Across the 68 places PlainClimate covers in Kentucky, July normal highs run from 82°F in Whitesburg to 90°F in Glasgow; Louisville's is 89°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.