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Louisville in April: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Louisville in April will be like? Take a look at our weather guide for Louisville, based on historical data.
Check flight prices to Louisville on Avionero:
April

Weather in Louisville in April 2026

Good Weather
Mild
🌧️
Rainy
Planning a trip to Louisville in April? You are in luck! The weather is generally good, with an average maximum temperature of +20°C and approximately 5 sunny days. Just be prepared for some rain, as there are usually around 16 rainy days and 136 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.
Good to know:
  • April is usually the driest month of the year in Louisville

Average weather

☀️
+20°C
Avg. max. temperature
-5°C
Min.
+31°C
Max.
136 mm
Total precipitation
62%
Avg. humidity
3 m/s
Avg. wind
5 ☀️
Sunny Days
8 ⛅️
Cloudy
16 🌦
Rainy
Our opinion: Louisville has good weather in April.

Average temperature in Louisville in April

Here are the expected maximum, average and minimum temperatures in Louisville for April based on the historical data.
Last Year
Historical Data

Going from a maximum of +29°C during the day to a minimum of 0°C during the night, the temperature in April averages around +21°C.

The average maximum temperature goes down 10% by the end of the month, compared with the beginning of the month, from +20°C to +17°C.

Is Louisville warm or cold in April?

Louisville is typically mild in April.

Maximum temperatures go up compared to the previous month from +14°C to +20°C. The minimum temperature also goes up from +4°C to +9°C.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how April is compared to other months in Louisville:

Climate in Louisville in April

Louisville weather looks like this, on average, in April and the surrounding months.
MarchAprilMay
Avg. temperature
+14°C+20°C+25°C
Min. temperature
-18°C-5°C0°C
Max. temperature
+29°C+31°C+34°C
Rainfall
118 mm136 mm154 mm
Wind
3 m/s3 m/s2 m/s
Humidity
64%62%68%
Air pressure
1017 HPa1014 HPa1014 HPa
Sunny days
455
Cloudy days
1088
Rainy days
141617
Snowy days
200

April often has better weather than March. It’s getting warmer as April arrives. The average maximum temperature goes up from +14°C to +20°C during the day. Prepare for more rain. Average rainfall goes from 118 mm to 136 mm. It feels drier, as humidity decreases from 64% to 62%. The average wind speed doesn’t change much during April, staying around 3 m/s. The good news is there are likely to be more sunny days in April, from 4 to 5.

May brings much the same weather, it remains good.

Wind

Wind speed in Louisville in April based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Louisville is gradually decreasing during April, going from 9 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during April in Louisville based on historical data.
Last Year
Historical Data
Typically, there is a 40% chance of rain on an average day in April, with total rainfall of approximately 94 mm. The maximum amount of rainfall per day is around 25 mm, which is moderate rain. April is a pretty wet month with over 12 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
April is one of the rainiest months in Louisville, here is a comparison with other months, total mm:
Louisville wettest month is May, where a typical day has a 55% chance of precipitation and 154 mm of rainfall per day. January, on the other hand, is the driest month with a mere 26% chance of precipitation and 75 mm of rainfall per day.

How was the weather last April in Louisville?

This is the weather in Louisville in April 2024:
1 April
☁️
+20°C
2 April
☁️
+17°C
3 April
☀️
+24°C
4 April
☁️
+27°C
5 April
☀️
+28°C
6 April
☁️
+17°C
7 April
☀️
+14°C
8 April
☀️
+16°C
9 April
☀️
+20°C
10 April
☀️
+23°C
11 April
☀️
+25°C
12 April
☀️
+26°C
13 April
☀️
+28°C
14 April
☀️
+26°C
15 April
☀️
+27°C
16 April
🌧️
+24°C
17 April
☁️
+16°C
18 April
☀️
+22°C
19 April
☀️
+28°C
20 April
☀️
+29°C
21 April
☀️
+27°C
22 April
☁️
+16°C
23 April
☁️
+10°C
24 April
☀️
+13°C
25 April
☀️
+19°C
26 April
☀️
+20°C
27 April
☀️
+21°C
28 April
🌫️
+17°C
29 April
☀️
+19°C
30 April
🌧️
+17°C
In April 2024 Louisville had 20 sunny days, 7 cloudy days, and 2 rainy days. The average maximum temperature was +21°C, with an absolute maximum of +29°C and a minimum of +10°C. The average humidity was 58%, with a maximum of 95% and a minimum of 21%. The average wind speed was 3 m/s, with a maximum of 15 m/s and a minimum of 0 m/s.
Are you planning a trip in April?

Climate Change over Years

This is how Louisville climate have been changing during last 43 years period.

The climate in Louisville in April has not changed much over the last 43 years.

The average temperature was the lowest in 1979 (+17°C) and the highest in 2012 (+21°C). The driest year was 1987 with only 957 mm of rainfall, and the wettest year was 2011 with 1944 mm.

FAQ

Frequently asked questions about the weather in Louisville in April:

Is April a good time to visit Louisville?

April is a really good time to go to Louisville. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Louisville.

Can you sunbathe in Louisville in April?

April has mild temperatures in Louisville. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Louisville rainy in April?

Louisville is often rainy in April. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Louisville in April?

Usually, it’s not very sunny in Louisville in April, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in USA

Check out the weather for other cities in USA.

Monthly weather in Louisville

Source of the data

For this page, we’ve looked at the typical weather in Louisville, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.