April weather forecast
Wainaku, HI

englishespañol中文
Share

Weather in April

April, like March, is an agreeable spring month in Wainaku, Hawaii, with an average temperature fluctuating between 64.9°F (18.3°C) and 70.9°F (21.6°C).

Temperature

Wainaku starts April with an average high-temperature of a still agreeable 70.9°F (21.6°C), a minor shift from March's 69.6°F (20.9°C). Wainaku documents a consistent average low-temperature of 64.9°F (18.3°C) at night during April.

Humidity

The average relative humidity in April is 79%.

Rainfall

In Wainaku, in April, during 21.3 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, there are 227.7 rainfall days, and 27.83" (707mm) of precipitation is accumulated.

Ocean temperature

In Wainaku, Hawaii, the average seawater temperature in April is 76.3°F (24.6°C).
Note: Consideration of an individual's cold resistance, combined with conditions like sunshine, wind, and temperature, suggests that swimming in 76.3°F (24.6°C) water can be delightful. (Olympic swimming is usually in 77°F (25°C) to 82.4°F (28°C) water.)

Daylight

The average length of the day in April is 12h and 37min.
On the first day of April in Wainaku, sunrise is at 6:13 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 6:43 pm HST.

Sunshine

The average sunshine in April is 8.8h.

UV index

January through April, with an average maximum UV index of 5, are months with the lowest UV index in Wainaku, Hawaii. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The UV index of 5 during April leads to these advisories:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Heads up! UV intensity is amplified by reflections from water and sand.
[Resources]

Frequently asked questions

What is the average April temperature in Wainaku?

April temperatures in Wainaku vary between a high-temperature of 70.9°F (21.6°C) and a low-temperature of 64.9°F (18.3°C).

What is the average humidity in April in Wainaku?

In Wainaku, the average relative humidity in April is 79%.

How much does it rain in Wainaku in April?

In Wainaku, Hawaii, during April, the rain falls for 21.3 days and regularly aggregates up to 1.97" (50mm) of precipitation.

What is the ocean temperature in April in Wainaku?

In April, the average ocean temperature is 76.3°F (24.6°C). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 76.3°F (24.6°C) water may be enjoyable.

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

The average day length in April in Wainaku is 12h and 37min.

When is the sunrise / sunset in April in Wainaku?

On the first day of April in Wainaku, sunrise is at 6:13 am and sunset at 6:34 pm. On the last day of the month, sunrise is at 5:51 am and sunset at 6:43 pm HST.

How many hours of sunshine does Wainaku have in April?

The average sunshine duration in April in Wainaku, Hawaii, is 8.8h.

What is the month with the lowest UV index in Wainaku?

The months with the lowest UV index in Wainaku are January through April, with an average maximum UV index of 5.

What is the UV index intensity in April in Wainaku?

In April, the average daily maximum UV index in Wainaku is 5. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Wainaku, HI

Average temperature in April - Wainaku, HI
  • Average high temperature in April: 70.9°F

The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).

  • Average low temperature in April: 64.9°F

The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).

[Resources]

Average pressure in April
Wainaku, HI

Average pressure in April - Wainaku, HI
  • Average pressure in April: 30.05"Hg

The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).

[Resources]

Average wind speed in April
Wainaku, HI

Average wind speed in April - Wainaku, HI
  • Average wind speed in April: 7.5mph

The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).

[Resources]

Average humidity in April
Wainaku, HI

Average humidity in April - Wainaku, HI
  • Average humidity in April: 79%

The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).

[Resources]

Average rainfall in April
Wainaku, HI

Average rainfall in April - Wainaku, HI
  • Average rainfall in April: 1.97"

The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").

[Resources]

Average rainfall days in April
Wainaku, HI

Average rainfall days in April - Wainaku, HI
  • Average rainfall days in April: 21.3 days

The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).

[Resources]

Average sea temperature in April
Wainaku, HI

Average sea temperature in April - Wainaku, HI
  • Average sea temperature in April: 76.3°F

The best month for swimming (with the highest average sea temperature) is September (79.3°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).

[Resources]

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

Average daylight in April / Average sunshine in April - Wainaku, HI
  • Average daylight in April: 12h and 4min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in April: 8h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).

[Resources]

Average sunshine days in April
Wainaku, HI

Average sunshine days in April - Wainaku, HI
  • Average sunshine days in April: 1.9 days

The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).

[Resources]

Average UV index in April
Wainaku, HI

Average UV index in April - Wainaku, HI
  • Average UV index in April: 5

The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).

[Resources]

Average cloud cover in April
Wainaku, HI

Average cloud cover in April - Wainaku, HI
  • Average cloud cover in April: 38

The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).

[Resources]

Average visibility in April
Wainaku, HI

Average visibility in April - Wainaku, 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).

[Resources]

Wainaku, Hawaii, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location