Historical weather data, all-time temperature records, and monthly climate averages for McCully - Moiliili, HI. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Mō'ili'ili typically brings that quintessential Hawaiian warmth, with highs averaging 83° and lows rarely dipping below 68°. There's a 39% chance of rain today — not unusual for Honolulu's windward side — though it'll likely be brief. The date's extremes tell an interesting story: a balmy 87° in 2015 versus a surprisingly crisp 61° low back in 1973.
Mō'ili'ili's all-time records reveal a place with remarkably stable weather — but not without its moments. The thermometer has reached 97° (September 2019) and once plunged to 43° (January 2009), a 54-degree spread that would surprise anyone who thinks Hawaii never gets cold. The wettest single day on record dumped 8.21 inches in December 1967, a reminder that tropical downpours here can be serious.
Mō'ili'ili is as close to year-round perfect as it gets — monthly highs range only from 81° in January to 88° in August, a spread of just 7 degrees. If you want the warmest weather, aim for mid-July through September; for slightly cooler and drier conditions, January and February are your best bet. The holiday stretch is the wettest time of year, with late December averaging over an inch of rain per week.