Kapaa, Kauai weather in June
Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Excellent
Best time to visit: January – December
What is the weather like in Kapaa, Kauai in June?
In June, Kapaa, Kauai is warm: daytime highs average 26 °C, and even at night it stays warm at around 23 °C. The sea averages 25.6 °C – pleasant for swimming. The sun shines for around 9 hours a day. It is the rainy season: rain falls on about 14 days, totalling 42 mm. The air is often humid and muggy. All in all, June is an excellent month for a holiday in Kapaa, Kauai.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 13 h 28 min05:53 – 19:21
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 48 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Time zone
- UTC−10Pacific/Honolulu
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %98 %
- Few rainy daysweight 20 %27 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in June
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Kapaa, Kauai in June: quick answers
Is Kapaa, Kauai hot in June?
Warm rather than hot: in June, daytime highs in Kapaa, Kauai average 26 °C and nights cool to about 23 °C.
Can you swim in Kapaa, Kauai in June?
Yes. In June the sea averages 25.6 °C – pleasant for swimming.
Does it rain much in Kapaa, Kauai in June?
It rains often – on about 14 days, adding up to 42 mm.
Kapaa, Kauai month by month
The whole year in Kapaa, KauaiAll destinations: USAHawaii weather in JuneWhere to go in JuneSea temperature in June
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