Kailua-Kona, Hawaii weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Good
Best time to visit: April – November
What is the weather like in Kailua-Kona, Hawaii in April?
In April, Kailua-Kona, Hawaii is warm: daytime highs average 23 °C, and nights cool down to about 18 °C. The sea averages 25.1 °C – pleasant for swimming. The sun shines for around 8 hours a day. It rains often – on about 26 days, adding up to 210 mm. All in all, April is a good month for a holiday in Kailua-Kona, Hawaii.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 35 min06:07 – 18:41
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 1 daydew point 18 °C or moreAll months
- Wind
- 9 km/haverage daily peakAll months
- Cloud cover
- 60 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−10Pacific/Honolulu
How the score comes together
- Temperatureweight 35 %70 %
- Seaweight 25 %100 %
- Sunshineweight 20 %77 %
- Few rainy daysweight 20 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in April
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Kailua-Kona, Hawaii in April: quick answers
Is Kailua-Kona, Hawaii hot in April?
Warm rather than hot: in April, daytime highs in Kailua-Kona, Hawaii average 23 °C and nights cool to about 18 °C.
Can you swim in Kailua-Kona, Hawaii in April?
Yes. In April the sea averages 25.1 °C – pleasant for swimming.
Does it rain much in Kailua-Kona, Hawaii in April?
It rains often – on about 26 days, adding up to 210 mm.
Kailua-Kona, Hawaii month by month
The whole year in Kailua-Kona, HawaiiAll destinations: USAHawaii weather in AprilWhere to go in AprilSea temperature in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences