Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average sea temperature in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
Stepping into April, Nānākuli records an average high-temperature of a still warm 77°F (25°C), almost consistent with March. In Nānākuli, the nighttime temperature in April descends gently to an average of 71.6°F (22°C).Humidity
The months with the lowest humidity in Nānākuli are January, April through June, August through November, with an average relative humidity of 74%.Rainfall
In Nānākuli, during April, the rain falls for 18.3 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 196.3 rainfall days, and 14.72" (374mm) of precipitation is accumulated.Ocean temperature
In Nānākuli, Hawaii, the average seawater temperature in April is 77.2°F (25.1°C).Note: Water temperatures between 77°F (25°C) and 84.2°F (29°C) are ideal for all water activities, offering enjoyment without causing discomfort over extended periods.
Daylight
In Nānākuli, the average length of the day in April is 12h and 40min.On the first day of the month, sunrise is at 6:24 am and sunset at 6:47 pm. On the last day of April, sunrise is at 6:01 am and sunset at 6:57 pm HST.
Sunshine
The average sunshine in April in Nānākuli is 8.4h.UV index
The months with the lowest UV index are January through May, October through December, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 6 during April morphs into the following directions:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Experience reduced UV exposure by about half when donning a wide-brim hat. Be attentive! The UV exposure is heightened with reflections from sand and water.
Frequently asked questions
What is the usual temperature for Nānākuli in April?
What are the least humid months in Nānākuli?
What is the average humidity in April in Nānākuli?
How many days does it rain in April in Nānākuli?
How warm is the water in April in Nānākuli?
What is the average length of the day in April in Nānākuli?
When is the sunrise / sunset in April in Nānākuli?
How long on average sun shines in April in Nānākuli?
When is the lowest UV index in Nānākuli?
How high is the UV index in April in Nānākuli?
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 4min
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 2min
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).
Nānākuli, Hawaii, USA
Weather forecast for your location
2. Allow the app to use your location
