Honolulu, 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
Excellent
Best time to visit: January – December
What is the weather like in Honolulu, Hawaii in April?
In April, Honolulu, Hawaii is warm: daytime highs average 25 °C, and even at night it stays warm at around 22 °C. The sea averages 24.5 °C – pleasant for swimming. The sun shines for around 9 hours a day. Rain is frequent, with about 10 rainy days and 31 mm in total. The air is often humid and muggy. All in all, April is an excellent month for a holiday in Honolulu, Hawaii.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 37 min06:13 – 18:50
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 16 daysdew point 18 °C or more
- Wind
- 23 km/haverage daily peak
- Cloud cover
- 51 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC−10Pacific/Honolulu
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %92 %
- Few rainy daysweight 20 %58 %
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
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Honolulu, Hawaii in April: quick answers
Is Honolulu, Hawaii hot in April?
Warm rather than hot: in April, daytime highs in Honolulu, Hawaii average 25 °C and nights cool to about 22 °C.
Can you swim in Honolulu, Hawaii in April?
Yes. In April the sea averages 24.5 °C – pleasant for swimming.
Does it rain much in Honolulu, Hawaii in April?
Rain is frequent, with about 10 rainy days and 31 mm in total.
Honolulu, Hawaii month by month
The whole year in Honolulu, HawaiiAll destinations: USAWhere 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)