April weather forecastKealakekua, HI

April

Weather in April

April, the same as March, in Kealakekua, Hawaii, is an agreeable spring month, with an average temperature varying between 64.9°F (18.3°C) and 69.3°F (20.7°C).

Temperature

Kealakekua observes an average high-temperature of a still pleasant 69.3°F (20.7°C) in April, the same as March. April nights reveal a minor deviation from daytime highs, with a mean low-temperature of 64.9°F (18.3°C).

Humidity

The average relative humidity in April is 79%.

Rainfall

In Kealakekua, during April, the rain falls for 19.3 days and regularly aggregates up to 1.42" (36mm) of precipitation. Throughout the year, there are 216.1 rainfall days, and 16.57" (421mm) of precipitation is accumulated.

Daylight

The average length of the day in April is 12h and 37min.
On the first day of the month, sunrise is at 6:16 am and sunset at 6:38 pm. On the last day of April, sunrise is at 5:55 am and sunset at 6:46 pm HST.

Sunshine

In April, the average sunshine is 9.1h.

UV index

The months with the lowest UV index are January through April, November and December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 5 during April leads to these instructions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Kealakekua, 69.3°F (20.7°C) is the average high-temperature and 64.9°F (18.3°C) is the average low-temperature during April.

The average relative humidity in April is 79%.

In Kealakekua, during April, the rain falls for 19.3 days and regularly aggregates up to 1.42" (36mm) of precipitation.

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

On the first day of April, sunrise is at 6:16 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 5:55 am and sunset at 6:46 pm HST.

In April, the average sunshine duration is 9.1h.

January through April, November and December, with an average maximum UV index of 5, are months with the lowest UV index.

In Kealakekua, the average daily maximum UV index in April is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Kealakekua, HI

  • Average high temperature in April: 69.3°F

The warmest months (with the highest average high temperature) are August and October (73.2°F).
The month with the lowest average high temperature is February (68.9°F).

  • Average low temperature in April: 64.9°F

The month with the highest average low temperature is October (70°F).
The coldest month (with the lowest average low temperature) is March (64.8°F).

Average pressure in April
Kealakekua, HI

  • Average pressure in April: 30.04"Hg

The month with the highest atmospheric pressure is April (30.04"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).

Average wind speed in April
Kealakekua, HI

  • Average wind speed in April: 6.1mph

The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is December (5.3mph).

Average humidity in April
Kealakekua, HI

  • Average humidity in April: 79%

The months with the highest relative humidity are June, July, August and September (81%).
The month with the lowest relative humidity is February (73%).

Average rainfall in April
Kealakekua, HI

  • Average rainfall in April: 1.42"

The wettest month (with the highest rainfall) is September (1.81").
The driest month (with the least rainfall) is January (0.75").

Average rainfall days in April
Kealakekua, HI

  • Average rainfall days in April: 19.3 days

The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is January (10.8 days).

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

  • Average daylight in April: 12h and 36min

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: 9h and 6min

The month with the most sunshine is May (Average sunshine: 10h and 42min).
The months with the least sunshine are November and December (Average sunshine: 7h and 18min).

Average sunshine days in April
Kealakekua, HI

  • Average sunshine days in April: 3.5 days

The month with the most sunshine days is January (12.7 days).
The month with the least sunshine days is May (3.2 days).

Average UV index in April
Kealakekua, HI

  • Average UV index in April: 5

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

Average cloud cover in April
Kealakekua, HI

  • Average cloud cover in April: 27

The month with the most cloud cover is June (Cloud cover 31).
The month with the least cloud cover is January (Cloud cover 15).

Average visibility in April
Kealakekua, 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).