December on the island of Kauai typically marks the beginning of the wetter season. Average temperatures range from highs in the low 80s Fahrenheit (high 20s Celsius) to lows in the low 70s Fahrenheit (low 20s Celsius). Rainfall increases compared to the summer months, and visitors can expect more cloud cover and occasional showers. Ocean temperatures remain pleasant for swimming, generally hovering in the upper 70s Fahrenheit (mid 20s Celsius). These conditions contribute to lush, green landscapes.
Understanding the typical climate during this period is crucial for travelers planning a visit. Packing accordingly, with rain gear and layers, ensures comfort. The increased rainfall contributes to Kauai’s renowned natural beauty, replenishing waterfalls and rivers. Historically, December was a period of transition for native Hawaiians, marking the shift from the drier summer months to the wetter winter season, influencing agricultural practices and cultural observances. This time of year often sees larger waves on the north shore, attracting experienced surfers.
