Koloa
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Koloa Weather in April

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.

Rainfall in Koloa in April

Typically around 18 days of rainfall are expected, averaging 45 mm (1.8 in) for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Koloa in April

Weather in Koloa is at its excellent in April. Highs reach 25°C (77°F), while nights settle around 21°C (70°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With overnight lows of 21°C (70°F), evenings stay pleasantly warm.

Sunshine in Koloa in April

Enjoy a sunny month with about 203 hours of sunshine, the clear skies make Koloa even more beautiful.

Wind Speed in Koloa in April

Average wind conditions reach 5 m/s (10 knots) in April. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in April

The water temperature is 25°C (77°F), which most people find very comfortable. A good month for swimming and water sports.

If you're planning additional trips, our weather planner can help you find destinations that match your weather preferences.

Koloa Temperature in April

Min Temperature
21°C (70°F)
Max Temperature
25°C (77°F)
Water Temperature
25°C (77°F) *
Chance of Rain
59%
Precipitation
45 mm (1.8 in)
Rainy days
18 days
Humidity
75% *
Windspeed
5 m/s (10 knots) *
Sunshine
203 hours *
Percentage Sunshine
53% *
* Data from: Lihue, the United States of America (16 KM, 10 Miles).

Koloa Weather by Month

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

Daily Historical Temperatures

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).

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 Koloa in April

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.

Koloa historical weather extremes in April

Based on 28 years of weather observations in Koloa between 1998 and 2026, these are the recorded extremes.

  • The warmest day in April was on April 5, 2018, with a maximum of 30°C (86°F).
  • On April 1, 2013, Koloa saw its coldest April day with temperatures maxing out at 22°C (72°F).
  • The coldest night in April in Koloa was on April 1, 2013, with a minimum of 15°C (59°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 Koloa in April

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.

What To Do in Koloa in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    10/10

Koloa 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.