Click on a day for an hourly weather forecast
The weather in Louisville in August is hot. The average temperatures are between 19°C and 30°C. Usually the days in August are hot while the nights are a bit cooler.
You can expect about 3 to 8 days of rain in Louisville during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Louisville in August 2025.
If you’re planning to visit Louisville in the near future, we highly recommend that you review the 14 day weather forecast for Louisville before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -3° | 6 | 16 | 9 | 55 mm | Awful | Louisville in January |
| February | 6° / -2° | 6 | 14 | 9 | 72 mm | Awful | Louisville in February |
| March | 13° / 4° | 7 | 20 | 4 | 72 mm | Awful | Louisville in March |
| April | 18° / 8° | 6 | 23 | 1 | 93 mm | Good | Louisville in April |
| May | 24° / 14° | 7 | 24 | 0 | 96 mm | Good | Louisville in May |
| June | 29° / 18° | 5 | 25 | 0 | 86 mm | Good | Louisville in June |
| July | 31° / 20° | 6 | 25 | 0 | 93 mm | Good | Louisville in July |
| August | 30° / 19° | 4 | 27 | 0 | 74 mm | Good | Louisville in August |
| September | 27° / 16° | 4 | 26 | 0 | 58 mm | Perfect | Louisville in September |
| October | 20° / 10° | 4 | 27 | 0 | 66 mm | Good | Louisville in October |
| November | 12° / 4° | 4 | 24 | 2 | 56 mm | Bad | Louisville in November |
| December | 7° / 1° | 6 | 18 | 6 | 62 mm | Bad | Louisville in December |