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.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Hawaii, check out our Haiku's climate page.

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).

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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Hawaii, check out our Haiku's climate page.

More climate data for Haiku

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Haiku climate overview or explore weather in Hawaii.