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Haiku Weather in April

April in Haiku typically sees daytime highs of 25°C (77°F) and nighttime lows of 21°C (70°F). Rainfall is also possible this month, so it's worth packing an umbrella.

Rainfall in Haiku in April

Looking at the last 30 years, the data shows about 12 days with rain, averaging 82 mm (3.2 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Haiku in April

April is one of the better months to visit Haiku. Expect 25°C (77°F) during the day and 21°C (70°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. At 21°C (70°F) overnight, nights are warm enough to sit outside comfortably in light clothing.

Sunshine in Haiku in April

With approximately 236 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Wind Speed in Haiku in April

Wind speeds average 5 m/s (10 knots) during April. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

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.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

Haiku Temperature in April

Min Temperature
21°C (70°F)
Max Temperature
25°C (77°F)
Water Temperature
25°C (77°F) *
Chance of Rain
41%
Precipitation
82 mm (3.2 in)
Rainy days
12 days
Humidity
72% *
Windspeed
5 m/s (10 knots) *
Sunshine
236 hours *
Percentage Sunshine
62% *
* Data from: Kahului, the United States of America (11 KM, 7 Miles).

Haiku Weather by Month

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

Best Places in Hawaii in April

Find out more about the weather in Hawaii and which places have the best travel conditions in this month. See all of Hawaii 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 Haiku in April

Warm weather calls for comfortable, breathable clothing in April. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 25°C (77°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Haiku in April

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

  • Swimming
    9/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    8/10
  • Outdoor sports
    7/10

Haiku 3-Day Forecast

Popular in April

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

Bucket list

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