Historical weather data, all-time temperature records, and monthly climate averages for Kīhei, HI. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th is a mild, mostly dry day in Kīhei's history — across 42 years of records, highs have averaged 70° with rain falling less than 1 in 5 years. The date's range tells the full story: a balmy 75° in 1984, and a chilly 46° low in 1985.
Kīhei's all-time temperature range spans just 50 degrees — from a record low of 38° in January 1997 to a peak of 88° in March 2023 — which speaks to how stable this South Maui climate really is. The wettest single day on record, 7.04" on December 7, 1988, is a reminder that when it does rain here, it can rain hard.
Kīhei barely breaks a sweat year-round, with average highs ranging from a 'cool' 68° in early January to a warm 75° in late July and August. If you're chasing peak warmth, aim for mid-summer through September; if you want to avoid the rare rainy stretch, skip the last week of December, the wettest of the year.