Louisville (KY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Louisville.
Climate overview of Louisville
The climate in Louisville, Kentucky, United States of America, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in August to 6°C (43°F) in January.
The city receives considerable rain/snowfall, with around 1351 mm (53 in) annually. April is the wettest month. It has very warm summers and cold winters. Sunshine peaks in July, when the city sees around 9.8 hours of sunshine per day.
Louisville Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Louisville - and find the best time to visit.
Monthly Temperature in Louisville
In Louisville, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in August to a chilly 6°C (43°F) in the coolest month, January.
Nights vary from 21°C (70°F) in August to around -4°C (25°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Louisville
Louisville experiences significant rain/snowfall throughout the year, averaging 1351 mm (53 in) of precipitation annually. Louisville offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month April (163 mm (6.4 in)) and the driest month August (79 mm (3.1 in)) is not too significant. For more details, please visit our Louisville Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Louisville
For those who appreciate different seasons, Louisville serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 9.8 hours of sunshine daily, and embrace the darker days in December, offering only 4.0 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Louisville by Month
The relative humidity is high throughout the year in Louisville.
The city experiences its highest humidity in September, reaching 72%. In April, the humidity drops to its lowest level at 61%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Louisville
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, September and October
- Warmest weather: June, July and August
- Most sunshine: June and July
- Fewer rainy days: February, August, September, October and November
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Louisville
What is the best time to visit Louisville?
April, May, September and October typically offer the most optimal weather in Louisville. In contrast, January, February and December tend to have less optimal conditions. Louisville has very warm summers and cold winters.
What temperatures can I expect in Louisville?
Daytime highs range from 6°C (43°F) in January to 31°C (88°F) in August. Nighttime lows range from -4°C (25°F) to 21°C (70°F). Temperatures vary considerably through the year.
How much rain does Louisville get?
Annual rainfall is around 1351 mm (53 in). April is the wettest month with 163 mm (6.4 in), while August is the driest with 79 mm (3.1 in).
How sunny is Louisville?
Louisville receives around 2,535 hours of sunshine per year. July is the sunniest month with 295 hours, while December is the cloudiest with just 119 hours. Overall, Louisville enjoys abundant sunshine.
Louisville 3-Day Forecast
Louisville (KY) 3-Day Forecast
Louisville on the map
Louisville is highlighted - select any city to see its climate.
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