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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the BuzzLayer Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
December in Hawaii brings warm, pleasant weather with daytime highs averaging 27–29°C across the islands, though the live forecast above for Hawaiian Gardens shows a different local pattern. Expect more frequent rain, especially on windward coasts, but plenty of sunshine between showers.
What is the typical temperature range for Hawaii in December?
Daytime temperatures in Honolulu and along leeward coasts usually sit around 28°C, while nights cool to about 21°C. In Kona, Hawaii weather in December stays similar, with highs near 27°C and lows near 19°C. The average temperature in Hawaii in December and January holds steady, rarely dipping below 18°C even at night. For reference, Honolulu weather December Celsius readings typically show a mean of 24°C.
Can you swim in Hawaii in December?
Yes, ocean temperatures remain comfortable at about 24–26°C, making swimming, snorkelling, and surfing very popular. December brings bigger north-shore swells, so check local conditions before heading out. The weather in Honolulu in December and January is generally calm on south-facing beaches, ideal for a dip.
Is December a good time to visit Hawaii?
Yes, it is a popular time with warm weather and festive events. Expect higher prices and crowds, especially around Christmas. Rain is more likely, but sunny spells are frequent, particularly on leeward coasts like Kona.
Does it rain all day in Hawaii in December?
No, rain usually comes in brief, heavy showers, often in the morning or overnight. The sun often returns quickly. Windward areas get more rain, while leeward spots like Waikiki and Kona stay drier.
What should I pack for Hawaii in December?
Light clothing, a light jacket or sweater for cooler evenings, and a rain jacket or umbrella. Reef-safe sunscreen, a hat, and swimwear are essential. Water shoes can help on rocky shores.
Sources
For broader Canadian conditions, check our Canada weather hub. If you are comparing tropical getaways, see our Aruba Weather page for another warm December option.