December in Waikiki typically marks the beginning of the wet season in Hawaii. Average high temperatures hover around 80F (27C) while average lows dip to a comfortable 70F (21C). Rainfall increases compared to other months, with brief showers being common, particularly in the afternoons. Ocean temperatures remain pleasant, averaging around 76F (24C), making swimming and other water activities enjoyable.
Understanding typical climatic conditions during this period allows travelers to pack appropriately and plan activities accordingly. While the increased rainfall might deter some, it also contributes to lush, vibrant landscapes and fewer crowds compared to the peak summer months. Historically, December has been a shoulder season, offering a balance between pleasant weather and fewer tourists. This presents potential cost savings on accommodations and flights.
