Historical weather data, all-time temperature records, and monthly climate averages for Hawai‘i Kai, HI. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Hawai'i Kai runs mild and often damp — there's a 53% chance of rain today, which is more likely than not. Highs typically settle around 79°, though the date has swung from a warm 83° back in 1974 down to a chilly 61° low in 1994.
Hawai'i Kai's weather is remarkably stable, but the edges of its range are still worth knowing. The mercury has topped out at 95° (October 1972) and bottomed at just 52° (January 1998), and a single January day in 1988 dumped an extraordinary 11.15 inches of rain.
Hawai'i Kai barely has seasons — monthly highs range only from 78° in the cool months to a peak of 85° in August and September. If you're chasing the warmest weather, aim for July through October; if you want to dodge the rain, skip late December, which averages nearly 1.8 inches in its final week alone.