April weather forecast
Kaanapali, HI

Palm trees on green grass overlooking the famous Kaanapali beach in Hawaii
Palm trees on green grass overlooking the famous Kaanapali beach in Hawaii

Weather in April

April, like March, in Kaanapali, Hawaii, is a moderately hot spring month, with average temperature varying between 75.4°F (24.1°C) and 72.1°F (22.3°C).

Temperature

In Kaanapali, the average high-temperature is essentially the same as in March - a still warm 75.4°F (24.1°C). In April, the average low-temperature is 72.1°F (22.3°C).

Humidity

In April, the average relative humidity is 76%.

Rainfall

In Kaanapali, in April, during 9.8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 112.6 rainfall days, and 7.91" (201mm) of precipitation is accumulated.

Ocean temperature

In April, the average ocean temperature is 76.8°F (24.9°C).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.8°F (24.9°C) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 77°F (25°C) to 82.4°F (28°C).)

Daylight

In April, the average length of the day is 12.7h.

Sunshine

In Kaanapali, Hawaii, the average sunshine in April is 8.8h.

UV index

January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in April in Kaanapali?

In April, the average relative humidity is 76%.

How many days does it rain in April in Kaanapali?

In Kaanapali, in April, it is raining for 9.8 days, with typically 0.83" (21mm) of accumulated precipitation.

How warm is the water in April in Kaanapali?

In Kaanapali, Hawaii, the average seawater temperature in April is 76.8°F (24.9°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.8°F (24.9°C) water may be enjoyable.

What is the average length of the day in April in Kaanapali?

In April, the average length of the day in Kaanapali, Hawaii, is 12.7h.

How many hours of sunshine does Kaanapali have in April?

The average sunshine in April in Kaanapali is 8.8h.

When is the lowest UV index in Kaanapali?

January through June, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Kaanapali.

How high is the UV index in April in Kaanapali?

In April, the average daily maximum UV index in Kaanapali, Hawaii, is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in April
Kaanapali, HI

Average temperature in April - Kaanapali, HI
  • Average high temperature in April: 24.1°C

The warmest month (with the highest average high temperature) is September (26.5°C).
The month with the lowest average high temperature is February (23.3°C).

  • Average low temperature in April: 22.3°C

Months with the highest average low temperature are August and October (24.7°C).
The coldest month (with the lowest average low temperature) is March (21.5°C).

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Average pressure in April
Kaanapali, HI

Average pressure in April - Kaanapali, HI
  • Average pressure in April: 1017.8mbar

The month with the highest atmospheric pressure is April (1017.8mbar).
The month with the lowest atmospheric pressure is October (1014.9mbar).

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Average wind speed in April
Kaanapali, HI

Average wind speed in April - Kaanapali, HI
  • Average wind speed in April: 20km/h

The windiest month (with the highest average wind speed) is July (22.3km/h).
The calmest month (with the lowest average wind speed) is January (17.1km/h).

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Average humidity in April
Kaanapali, HI

Average humidity in April - Kaanapali, HI
  • Average humidity in April: 76%

The month with the highest relative humidity is July (77%).
Months with the lowest relative humidity are January, February, March, September and November (75%).

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Average rainfall in April
Kaanapali, HI

Average rainfall in April - Kaanapali, HI
  • Average rainfall in April: 21mm

The wettest month (with the highest rainfall) is March (28mm).
The driest month (with the least rainfall) is July (9mm).

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Average rainfall days in April
Kaanapali, HI

Average rainfall days in April - Kaanapali, HI
  • Average rainfall days in April: 9.8 days

The month with the highest number of rainy days is March (13.4 days).
The month with the least rainy days is November (7.7 days).

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Average sea temperature in April
Kaanapali, HI

Average sea temperature in April - Kaanapali, HI
  • Average sea temperature in April: 24.9°C

The best month for swimming (with the highest average sea temperature) is September (26.8°C).
The coldest month (with the lowest average sea temperature) is March (24.4°C).

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Average daylight in April /
Average sunshine in April
Kaanapali, HI

Average daylight in April / Average sunshine in April - Kaanapali, HI
  • Average daylight in April: 12.7h

The month with the longest days is June (Average daylight: 13.4h).
The month with the shortest days is December (Average daylight: 10.9h).

  • Average sunshine in April: 8.8h

The month with the most sunshine is June (Average sunshine: 11.2h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in April
Kaanapali, HI

Average sunshine days in April - Kaanapali, HI
  • Average sunshine days in April: 14.7 days

The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is March (12.6 days).

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Average UV index in April
Kaanapali, HI

Average UV index in April - Kaanapali, HI
  • Average UV index in April: 6

Months with the highest UV index are July, August, September and October (UV index 7).
Months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).

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Average cloud cover in April
Kaanapali, HI

Average cloud cover in April - Kaanapali, HI
  • Average cloud cover in April: 33

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).

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Average visibility in April
Kaanapali, HI

Average visibility in April - Kaanapali, HI
  • Average visibility in April: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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