April typically marks the transition from Hawaii’s wetter season to its drier summer months. Visitors can expect daytime temperatures ranging from the mid-70s to low 80s Fahrenheit (low to mid-20s Celsius), with slightly cooler temperatures at higher elevations. Ocean temperatures are generally pleasant for swimming, averaging in the mid-70s Fahrenheit (low to mid-20s Celsius). Rainfall decreases significantly compared to the winter months, though brief showers are still possible, particularly on windward sides of the islands.
Understanding typical climate conditions during this period is crucial for travelers planning trips. This information allows for appropriate packing and activity planning. Historically, April has offered a balance of pleasant weather with fewer crowds than the peak summer and winter holiday seasons, making it an attractive time for those seeking a more relaxed experience. Accurate weather information also assists local businesses and residents in preparing for seasonal shifts in tourism and resource management.