Best time to visit Kailua, Big Island

Find the best time to visit Kailua, Big Island and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Kailua, Big Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Kailua, Big Island?

The best time to visit Kailua, Big Island is June, July, August, September and October based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • 20°C maximum daytime temperature in January in Kailua, Big Island20
    Jan
  • 20°C maximum daytime temperature in February in Kailua, Big Island20
    Feb
  • 20°C maximum daytime temperature in March in Kailua, Big Island20
    Mar
  • 20°C maximum daytime temperature in April in Kailua, Big Island20
    Apr
  • 21°C maximum daytime temperature in May in Kailua, Big Island21
    May
  • 22°C maximum daytime temperature in June in Kailua, Big Island22
    Jun
  • 23°C maximum daytime temperature in July in Kailua, Big Island23
    Jul
  • 23°C maximum daytime temperature in August in Kailua, Big Island23
    Aug
  • 23°C maximum daytime temperature in September in Kailua, Big Island23
    Sep
  • 22°C maximum daytime temperature in October in Kailua, Big Island22
    Oct
  • 21°C maximum daytime temperature in November in Kailua, Big Island21
    Nov
  • 21°C maximum daytime temperature in December in Kailua, Big Island21
    Dec

Which is the hottest month in Kailua, Big Island?

The hottest time of year in Kailua, Big Island is normally September. Expect maximum daytime temperatures to reach 23°C.

Which month has the most rain in Kailua, Big Island?

In terms of rainfall, April is usually the wettest month in Kailua, Big Island with 64mm on average. There are normally 16 days in April with some rain.

When is the sea warmest in Kailua, Big Island?

The sea is usually at its warmest in Kailua, Big Island in September when the water temperature reaches 27°C.

Best time to visit

The weather guide for Hawaii (Kailua, Big Island) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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