April weather forecast
Omao, HI

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Weather in April

April is a warm spring month in Omao, Hawaii, with an average temperature ranging between max 74.8°F (23.8°C) and min 70.9°F (21.6°C).

Temperature

Entering April, Omao's average high-temperature reads a moderately hot 74.8°F (23.8°C), indicating a close resemblance to the previous month's climate. Nighttime temperatures during April report a consistent average of 70.9°F (21.6°C).

Humidity

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

Rainfall

April is the month with the least rainfall. Rain falls for 18.3 days and accumulates 1.3" (33mm) of precipitation.

Daylight

In April, the average length of the day is 12h and 40min.
On the first day of the month, sunrise is at 6:29 am and sunset at 6:53 pm. On the last day of April, sunrise is at 6:06 am and sunset at 7:03 pm HST.

Sunshine

In Omao, the average sunshine in April is 7.8h.

UV index

The months with the lowest UV index are January through August, October through December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 6 in April translates into the following instructions:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in April?

The high-temperature, in April, in Omao, is 74.8°F (23.8°C), while the low-temperature averages to 70.9°F (21.6°C).

What is the average humidity in April?

The average relative humidity in April is 76%.

What is the driest month?

The month with the least rainfall is April, when the rain falls for 18.3 days and typically collects 1.3" (33mm) of precipitation.

How much does it rain in April?

In Omao, during April, the rain falls for 18.3 days and regularly aggregates up to 1.3" (33mm) of precipitation.

What is the average length of the day in April?

In April, the average day length is 12h and 40min.

When are sunrise and sunset in April in Omao?

In April, on the first day of the month, sunrise is at 6:29 am and sunset at 6:53 pm. On the last day of the month, sunrise is at 6:06 am and sunset at 7:03 pm HST.

How long on average sun shines in April?

In Omao, the average sunshine duration in April is 7.8h.

What is the month with the lowest UV index?

January through August, October through 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 Omao, the average daily maximum UV index in April is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Omao, HI

Average temperature in April - Omao, HI
  • Average high temperature in April: 74.8°F

The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).

  • Average low temperature in April: 70.9°F

The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).

Average pressure in April
Omao, HI

Average pressure in April - Omao, HI
  • Average pressure in April: 30.07"Hg

The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).

Average wind speed in April
Omao, HI

Average wind speed in April - Omao, HI
  • Average wind speed in April: 11.5mph

The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).

Average humidity in April
Omao, HI

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

The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).

Average rainfall in April
Omao, HI

Average rainfall in April - Omao, HI
  • Average rainfall in April: 1.3"

The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").

Average rainfall days in April
Omao, HI

Average rainfall days in April - Omao, HI
  • Average rainfall days in April: 18.3 days

The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).

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

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

The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).

  • Average sunshine in April: 7h and 5min

The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).

Average sunshine days in April
Omao, HI

Average sunshine days in April - Omao, HI
  • Average sunshine days in April: 5.7 days

The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).

Average UV index in April
Omao, HI

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

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

Average cloud cover in April
Omao, HI

Average cloud cover in April - Omao, HI
  • Average cloud cover in April: 46

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).

Average visibility in April
Omao, HI

Average visibility in April - Omao, 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).

Omao, Hawaii, USA

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