April weather forecastNānākuli, HI
April
Weather in April
The arrival of April witnesses a slight shift in Nānākuli's weather pattern. A soft transition in terms of temperature occurs, while other elements maintain a constant trend. The element that stands out the most is the amount of rainfall, which is recorded to be 1.1in. The shift is not drastic, having to maintain the delicate balance of consistency and change. As the city transitions into May, a slightly warmer climate can be expected.Temperature
With the advent of April, Nānākuli experiences an average high-temperature of a still moderately hot 77°F (25°C), mirroring a close resemblance to the previous month. Nānākuli consistently logs a low temperature averaging a pleasant 71.6°F (22°C) during April, a modest drop from daytime temperatures.Humidity
The months with the lowest humidity are January, April through June, August through November, with an average relative humidity of 74%.Rainfall
In Nānākuli, in April, it is raining for 18.3 days, with typically 1.1" (28mm) of accumulated precipitation. Throughout the year, there are 196.3 rainfall days, and 14.72" (374mm) of precipitation is accumulated.Ocean temperature
In April, the average ocean temperature is 77.2°F (25.1°C).Note: Water temperature ranging between 77°F (25°C) and 84.2°F (29°C) is considered very warm and pleasing for everyone. It allows for enjoyable water activities over extended periods without discomfort.
Daylight
In Nānākuli, the average length of the day in April is 12h and 40min.On the first day of April in Nānākuli, sunrise is at 6:24 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 6:57 pm HST.
Sunshine
In April, the average sunshine is 8.4h.UV index
January through May, October through December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 6 in April suggests the following recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Nānākuli, HI
- Average high temperature in April: 77°F
The warmest months (with the highest average high temperature) are August and September (81.7°F).
The month with the lowest average high temperature is February (75°F).
- Average low temperature in April: 71.6°F
The months with the highest average low temperature are August and September (75.9°F).
The coldest month (with the lowest average low temperature) is February (69.1°F).
Average pressure in April
Nānākuli, 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
Nānākuli, HI
- Average wind speed in April: 10.6mph
The windiest month (with the highest average wind speed) is July (11.6mph).
The calmest month (with the lowest average wind speed) is October (8.8mph).
Average humidity in April
Nānākuli, HI
- Average humidity in April: 74%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are January, April, May, June, August, September, October and November (74%).
Average rainfall in April
Nānākuli, HI
- Average rainfall in April: 1.1"
The wettest month (with the highest rainfall) is March (1.81").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in April
Nānākuli, HI
- Average rainfall days in April: 18.3 days
The month with the highest number of rainy days is September (18.9 days).
The month with the least rainy days is January (13.8 days).
Average sea temperature in April
Nānākuli, HI
- Average sea temperature in April: 77.3°F
The best month for swimming (with the highest average sea temperature) is September (80.6°F).
The coldest month (with the lowest average sea temperature) is March (75.7°F).
Average daylight in April /
Average sunshine in April
Nānākuli, HI
- Average daylight in April: 12h and 42min
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 24min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days in April
Nānākuli, HI
- Average sunshine days in April: 6.8 days
The month with the most sunshine days is January (11.8 days).
The month with the least sunshine days is November (6.4 days).
Average UV index in April
Nānākuli, HI
- Average UV index in April: 6
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 6).
Average cloud cover in April
Nānākuli, HI
- Average cloud cover in April: 37
The month with the most cloud cover is March (Cloud cover 38).
The months with the least cloud cover are January and September (Cloud cover 32).
Average visibility in April
Nānākuli, 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).
