Louisville Weather in April
Louisville in April sees pleasant daytime temperatures of 21°C (70°F) and nighttime lows of 9°C (48°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in Louisville in April
With the year's heaviest rain occurring this month, it's best to be equipped with a poncho to handle the frequent downpours. Typically around 13 days of rainfall are expected, averaging 163 mm (6.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Louisville in April
Expect highs of 21°C (70°F) in Louisville in April, with nights dropping to around 9°C (48°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Louisville in April
Expect sunny days throughout the month, with an estimated 224 hours of sunshine. This makes it a pleasant time to visit Louisville.If you're a fan of comfortable temperatures and drier conditions, April is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Louisville's climate page.
Louisville Temperature in April
Min Temperature
9°C (48°F)
Max Temperature
21°C (70°F)
Chance of Rain
43%
Precipitation
163 mm (6.4 in)
Rainy days
13 days
Humidity
61%
Sunshine
224 hours
Percentage Sunshine
55%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Louisville typically rise from around 18°C (64°F) at the start of April to approximately 22°C (72°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 12°C (54°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Louisville in April
Browse day-by-day weather records for Louisville spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Louisville historical weather extremes in April
Based on 50 years of weather observations in Louisville between 1976 and 2026, these are the recorded extremes.
- On April 26, 1989, temperatures climbed to 32°C (90°F), marking the warmest April day on record.
- The coldest night in April in Louisville was on April 7, 1982, with a minimum of -6°C (21°F).
Best Places in the United States of America in April
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in April →
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What to Wear in Louisville in April
For Louisville in April, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Louisville in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Louisville's climate page.
Temperature Rainfall Sunshine Humidity
See the full Louisville climate overview or explore weather in the United States of America.
