weather in kona july
Average Weather in July in Kailua-Kona Hawaii, United States. In Kailua-Kona, the month of July is characterized by essentially constant daily high temperatures, with daily highs around 86Â°F throughout the month, rarely exceeding 89Â°F or dropping below 83Â°F. Daily low temperatures are around 75Â°F, rarely falling below 72Â°F or exceeding 78Â°F.