Historical weather data, all-time temperature records, and monthly climate averages for Palolo, HI. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4 is a wet one in Palolo — historically, there's an 84% chance of rain on this date, the highest of any season. Temperatures tend to be mild, with an average high of 76° and low of 65°, though the date has swung from a warm 84° in 1983 to a chilly 58° in 1985.
Palolo's weather is remarkably tame for a Hawaiian valley, but it does have its extremes. The all-time high of 92° came on September 4, 1987, while the coldest ever recorded was 49° on December 22, 1983. The most dramatic day in the books was March 25, 1994, when a staggering 13.25 inches of rain fell in a single day.
Palolo is one of the most stable climates on Earth — monthly average highs barely budge, ranging from 76° in the coolest weeks of mid-March to 82° in early September. If you're chasing sunshine, summer and early fall are your best bet; if you want to avoid the heaviest rain, steer clear of late October through early November, when the valley averages nearly 4 inches in a single week.