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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.

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%

Louisville Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Louisville - and find the best time to visit.

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 records 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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    7/10
  • Camping
    3/10

Louisville 3-Day Forecast

Popular in April

Where to go in April - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.