April weather forecastKaanapali, HI
April
Weather in April
April presents the first noticeable rise in temperature with lows at 72.1°F (22.3°C). The favourable conditions of increased daylight to 12.6 hours, coupled with the envy-inducing sea temperature of 76.8°F (24.9°C), can make beach-goers' delight. With a drop in rainfall to 0.83" (21mm) and frequent sunny days, Kaanapali bathes under the typical Hawaiian sun. Despite cooler evenings, the weather remains balanced, with warm days perfect for outdoor activities.Temperature
Kaanapali's weather in April, with an average high-temperature of a still warm 75.4°F (24.1°C), subtly shifts from March's 74.1°F (23.4°C). Kaanapali, during the April nights, maintains an average temperature of 72.1°F (22.3°C), closely aligned with its daytime readings.Humidity
In April, the average relative humidity is 76%.Rainfall
In Kaanapali, in April, it is raining for 9.8 days, with typically 0.83" (21mm) of accumulated precipitation. 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: If someone is sensitive to cold, the enjoyment of swimming in 76.8°F (24.9°C) water hinges on factors like sunshine, wind, and the current air temperature. (For context: Olympic swimming competitions are held in water temperatures of 77°F (25°C) to 82.4°F (28°C).)
Daylight
In Kaanapali, the average length of the day in April is 12h and 39min.On the first day of the month, sunrise is at 6:18 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
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 exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 6 during April translates into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Attention! The reflection of both water and sand can increase the intensity of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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).
Average daylight in April /
Average sunshine in April
Kaanapali, HI
- Average daylight in April: 12h and 36min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- 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).
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).
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).
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).
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).
