Louisville, Kentucky, experiences a wide range of weather throughout the year, making it a city of diverse climates.
The hottest month in Louisville is July, with an average high of 87°F and a low of 70°F. This hot season typically lasts from May 24 to September 18.
For more details, visit Climate and Average Weather Year Round in Louisville.
Cooling down significantly, the cold season runs from November 26 to February 27.
The coldest month is January, where temperatures range from an average low of 28°F to a high of 43°F.
Louisville’s weather can vary considerably by hour of the day and by season, offering a mix of sunny days and chilly nights.
Rainfall in Louisville peaks in May and July, adding to the seasonal variation.
With humidity levels staying between 73% to 80% year-round, the city’s weather can be quite unpredictable.
To learn more, check out the Yearly & Monthly weather in Louisville, KY.
Average Temperature In Louisville, Kentucky
Louisville experiences a wide range of temperatures throughout the year.
January is the coldest month, with average lows around 28°F and highs near 43°F.
February brings slightly warmer temperatures, with lows averaging 30°F and highs around 46°F.
By March, temperatures climb, with lows around 37°F and highs reaching about 56°F.
April sees more warmth, with lows averaging 46°F and highs reaching 67°F.
May brings even warmer days, with lows around 56°F and highs near 77°F.
The hot season starts in June, with average highs around 85°F and lows near 65°F.
July is the hottest month, with peaks at 87°F and lows around 70°F.
August remains warm, with highs about 86°F and lows near 68°F.
By September, temperatures start to cool, with highs averaging 79°F and lows around 61°F.
Finally, October brings crisp fall weather, with highs near 67°F and lows around 49°F.
November temperatures drop further, with highs around 55°F and lows near 38°F.
And December rounds out the year with lows averaging 32°F and highs reaching about 45°F.
Louisville’s temperatures range from chilly in winter to quite warm in summer. This variation contributes to a dynamic climate, influencing everything from daily activities to vegetation growth.
For more information on temperatures, you can refer to climate details.
Average Precipitation In Louisville, Kentucky
Louisville experiences significant rainfall throughout the year, with higher precipitation levels in certain months. Snowfall does occur, mainly in the winter months.
Average Rainfall In Louisville, Kentucky
Louisville sees a fair amount of rain each year. The city gets about 44.9 inches of rain annually.
May tends to be the wettest month, often receiving around 5.3 inches of rainfall, making it crucial for residents to be prepared for wetter conditions.
Rainfall is fairly spread throughout the year, though the spring and summer months are generally wetter.
July sees another peak in rain, with an average of around 4.5 inches.
By contrast, October is usually the driest month with roughly 2.8 inches of rain.
Louisville experiences frequent rainy days, contributing to a lush and vibrant environment but also requiring good drainage systems to manage the water flow.
Average Snow In Louisville, Kentucky
Snowfall in Louisville is mainly confined to the winter months.
On average, the city receives about 12.5 inches of snow each year, with the majority falling between December and February.
January typically experiences the heaviest snowfall, averaging around 4.3 inches.
November and March may also see some snow, but it is usually less significant, with averages of about 1 inch each month.
Snow days can disrupt the routine, making it important for residents to stay informed about weather conditions, especially during the colder months.
Proper winter gear and preparedness are key to handling Louisville’s winter weather efficiently.
Average Sun In Louisville, Kentucky
Louisville experiences varying amounts of sunlight throughout the year. The city sees notable changes in daylight hours, cloud cover, and solar energy, which impact daily sunshine.
Average Daily Shortwave Solar Energy In Louisville, Kentucky
Louisville receives different levels of solar energy depending on the time of year.
During summer, the longest day is around June 21 with up to 14.8 hours of daylight.
The clearest month tends to be August, featuring the maximum average sunlight. The sky is often partly cloudy, allowing more sun exposure.
In winter, the shortest day is approximately December 21 with just about 9.5 hours of daylight.
January is often the cloudiest month, meaning more clouds cover the sky, limiting solar energy.
On average, approximately 4.2 kWh per square meter of solar energy reaches Louisville daily, peaking in mid-summer.
Average Humidity In Louisville, Kentucky
Louisville experiences varying humidity levels throughout the year. The mean annual relative humidity is about 67%.
Monthly Humidity Levels:
- January: 71%
- April: 61%
- August: 70%
- September: 72%
- December: 71%
Humidity and Dew Point:
The dew point provides a clearer sense of how humid it feels.
Louisville’s dew point can range from the mid-20s in winter to the mid-60s in summer.
Muggy Conditions:
Summers in Louisville can feel particularly muggy. The city often experiences high humidity paired with temperatures in the 80s and 90s (°F).
For detailed humidity data, you can refer to the average humidity levels throughout the year.
Average Wind In Louisville, Kentucky
Louisville experiences moderate wind throughout the year.
Average Wind Speeds:
- January: 8.5 mph
- February: 8.9 mph
- March: 10.2 mph
- April: 9.7 mph
- May: 8.7 mph
Windiest Month:
March is the windiest month with an average wind speed of 10.2 mph.
In summer, wind speeds tend to decrease.
June to August:
- June: 7.5 mph
- July: 6.8 mph
- August: 6.7 mph
Winter Months:
- November: 7.4 mph
- December: 8.2 mph
Average Air Quality In Louisville, Kentucky
The average air quality in Louisville, Kentucky, varies throughout the year. Louisville experiences some challenges with air quality, particularly in the summer months when temperatures are higher.
Common Pollutants
Louisville’s air quality is primarily affected by the following pollutants:
- Ozone (O3)
- Particulate Matter (PM2.5 and PM10)
- Nitrogen Dioxide (NO2)
- Sulfur Dioxide (SO2)
Air Quality Index (AQI)
The Air Quality Index (AQI) measures daily air quality. Here are typical AQI values in Louisville:
| Season | Average AQI | Description |
|---|---|---|
| Spring | 50-100 | Moderate |
| Summer | 70-150 | Moderate to Unhealthy |
| Fall | 50-100 | Moderate |
| Winter | 40-90 | Good to Moderate |
Health Impacts
People with respiratory conditions may feel effects more during high AQI days, especially in summer.
It’s essential to stay informed about daily air quality reports if you fall into sensitive groups.
Mitigation Efforts
Louisville has initiatives to improve air quality, such as promoting public transportation and reducing industrial emissions.
These efforts aim to decrease the levels of harmful pollutants in the air.
Topography Of Louisville, Kentucky
Louisville is located in Jefferson County. The city is situated at the Falls of the Ohio River, which is the only man-made portion of the river.
Coordinates:
- Latitude: Approximately 38.25° N
- Longitude: Approximately 85.75° W
The elevation in Louisville varies, ranging from a minimum of 374 feet to a maximum of 1,004 feet.
Elevation Table:
| Minimum Elevation | Average Elevation | Maximum Elevation |
|---|---|---|
| 374 feet | 617 feet | 1,004 feet |
In January 1937, Louisville experienced a significant flood when the Ohio River rose to a record height of 57.15 feet due to 19.17 inches of rain throughout the month.
The city’s terrain includes hills as well as flat areas, with much of the built environment influenced by its proximity to the river.
This geography has played a crucial role in shaping the city’s development and layout.
The topography of Louisville, with its diverse elevation range, provides a unique setting within the region, contributing to its distinct landscape and character.
Extreme Weather Events That Occur In Louisville, Kentucky
Louisville, Kentucky experiences a variety of extreme weather events throughout the year. These events can range from severe thunderstorms to heatwaves and even snowstorms.
Understanding these events helps in preparing for their potential impact.
Heatwaves
Louisville often faces intense heatwaves, especially during the summer months.
For instance, in August 2012, the city recorded temperatures exceeding 100°F.
Severe Thunderstorms
Severe thunderstorms are common in Louisville, bringing heavy rain, strong winds, and hail.
At times, these storms can escalate into tornadoes. Damages from such storms can be significant, as seen in severe weather impacts in 2023.
Flash Flooding
Flash floods occur due to heavy rainfall over a short period.
Louisville has experienced notable flooding events, such as the historic flooding in Eastern Kentucky in July 2022.
Snowstorms
While not as frequent, snowstorms do hit Louisville, mainly in the winter months.
Snow can cause disruptions in daily life, including travel and transportation issues.
Drought
Drought conditions can also affect the region, leading to water restrictions and impacting agriculture.
The year 2023 was notably the warmest and driest on record for Louisville.
Best Time Of The Year To Visit Louisville, Kentucky
Louisville offers unique experiences throughout the year. The best time to visit may depend on your preference for events, weather, and activities.
What Is Louisville, Kentucky Like In Spring
Spring in Louisville is a lively and inviting season.
From March to June, temperatures range between 59°F and 78°F. Weather is crisp and ideal for outdoor activities.
Gardens and parks burst into bloom, making it a picturesque time for visitors.
The city also gears up for the Kentucky Derby, held on the first Saturday in May. The two weeks leading up to the race are filled with events like the Great Balloonfest.
Spring is perfect for those who enjoy festivals and mild temperatures.
What Is Louisville, Kentucky Like In Summer
Summers in Louisville can be quite warm.
July is the hottest month, with highs reaching around 87°F and lows around 70°F.
While it’s a good time for indoor attractions like the Muhammad Ali Center and Louisville Slugger Museum, the heat can make outdoor activities less comfortable.
Despite the high temperatures, summer features events such as the 4th of July fireworks show.
If you don’t mind the heat, summer offers a vibrant atmosphere. Rainfall is common in July, so plan your visit accordingly.
What Is Louisville, Kentucky Like In Fall
Fall in Louisville brings cooler weather and stunning foliage.
From September to November, temperatures can range between 43°F and 75°F. This makes it a great time for hiking and exploring the scenic beauty of the area.
Harvest festivals and local events abound during the fall.
The cooler climate is ideal for outdoor activities without the summer heat. Visitors can enjoy apple picking, hayrides, and other seasonal attractions.
What Is Louisville, Kentucky Like In Winter
Winters in Louisville can be chilly but manageable.
From December to February, temperatures drop, with January being the coldest month.
Average highs are around 43°F and lows dip to 28°F. Snowfall is occasional but not heavy.
Winter is a quieter season in terms of tourism.
It’s an excellent time for visiting museums and indoor galleries.
Restaurants and bars offer cozy spots to warm up, and some seasonal events bring a festive feel to the city.
Louisville’s diverse weather through the seasons ensures there’s always something unique to experience.
Whether you prefer a bustling spring festival, a warm summer day, crisp fall air, or a quiet winter escape, Louisville has it all.