Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
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.
If you're a fan of comfortable temperatures and drier conditions, April is a great time to visit.
Pick a month to see the average temperature, rainfall and sunshine in Louisville - and find the best time to visit.
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).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
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.
Based on 50 years of weather observations in Louisville between 1976 and 2026, these are the recorded extremes.
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 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).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Louisville climate overview or explore weather in the United States of America.
Where to go in April - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
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