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 another warm spring month, with temperature in the range of an average low of 72.1°F (22.3°C) and an average high of 75.4°F (24.1°C).

Temperature

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

Humidity

The average relative humidity in April is 76%.

Rainfall

In Kaanapali, Hawaii, during 9.8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. In Kaanapali, during the entire year, the rain falls for 112.6 days and collects up to 7.91" (201mm) of precipitation.

Ocean temperature

In Kaanapali, the average water temperature is 76.8°F (24.9°C).
Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 76.8°F (24.9°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)

Daylight

In April, the average length of the day is 12h and 39min.
On the first day of the month, sunrise is at 6:19 am and sunset at 6:41 pm. On the last day of April, sunrise is at 5:56 am and sunset at 6:51 pm HST.

Sunshine

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

UV index

The months with the lowest UV index are January through June, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 6 in April transform into the following instructions:
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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
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FAQ

What is the average humidity in April in Kaanapali?

In Kaanapali, Hawaii, the average relative humidity in April is 76%.

How many days does it rain in April in Kaanapali?

In Kaanapali, Hawaii, 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, the average seawater temperature in April is 76.8°F (24.9°C). For individuals prone to feeling cold, swimming in 73.4°F (23°C) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 76.8°F (24.9°C).

How many hours of daylight does Kaanapali have in April?

The average day length in April in Kaanapali, Hawaii, is 12h and 39min.

What time are sunrise and sunset in April in Kaanapali?

On the first day of April, sunrise is at 6:19 am and sunset at 6:41 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 6:51 pm HST.

How many hours of sunshine does Kaanapali have in April?

The average sunshine duration in April 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.

How high is the UV index in April in Kaanapali?

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

Average temperature in April
Kaanapali, HI

Average temperature in April - Kaanapali, HI
  • Average high temperature in April: 75.4°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The month with the lowest average high temperature is February (73.9°F).

  • Average low temperature in April: 72.1°F

The months with the highest average low temperature are August and October (76.5°F).
The coldest month (with the lowest average low temperature) is March (70.7°F).

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Average pressure in April
Kaanapali, HI

Average pressure in April - Kaanapali, HI
  • Average pressure in April: 30.06"Hg

The month with the highest atmospheric pressure is April (30.06"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

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Average wind speed in April
Kaanapali, HI

Average wind speed in April - Kaanapali, HI
  • Average wind speed in April: 12.4mph

The windiest month (with the highest average wind speed) is July (13.9mph).
The calmest month (with the lowest average wind speed) is January (10.6mph).

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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%).
The 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: 0.83"

The wettest month (with the highest rainfall) is March (1.1").
The driest month (with the least rainfall) is July (0.35").

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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: 76.8°F

The best month for swimming (with the highest average sea temperature) is September (80.2°F).
The coldest month (with the lowest average sea temperature) is March (76°F).

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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: 12h and 39min

The month with the longest days is June (Average daylight: 13h and 23min).
The month with the shortest days is December (Average daylight: 10h and 53min).

  • Average sunshine in April: 8h and 48min

The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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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

The months with the highest UV index are July, August, September and October (UV index 7).
The 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: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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