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.
Thinking of visiting Koloa in April? Expect high temperatures reaching 25°C (77°F) during the day, dropping to 21°C (70°F) at night, with some rainfall likely.
If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.
Pick a month to see the average temperature, rainfall and sunshine in Koloa - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Koloa typically stay consistent throughout April, with daily highs averaging around 25°C (77°F). Nights are warm, with lows around 21°C (70°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 Koloa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 28 years of weather observations in Koloa between 1998 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 Koloa 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. Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 25°C (77°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Koloa 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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