December Temperature in Hawaii

Typical temperatures for cities, towns, parks and beaches across the Hawaiian Islands during the month of December are listed below in degrees Fahrenheit and Celsius.

You'll find separate tables for each island: Hawaii (Big Island), Kauai, Lanai, Maui, Molokai and Oahu.

The tables give the normal maximum and minimum daily temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Island of Hawaii (Big Island)

Places with weather information on Hawaii's Big Island include Kailua Kona in South Kona and Puukohola Heiau in the Kohala region at the north end. Plus there are records from two stations high on the mountain slopes where temperatures are cooler, the Hawaii Volcanoes Park Visitor Center at 3,970 feet (1,210 metres) and the Mauna Loa Slope Observatory at 11,152 feet (3,399 metres) elevation.

Average daily temperatures in °F for December
High °F	Low °F	Place	High °C	Low °C
68	52	Hawaii Volcanoes Park	20	11
79	66	Hilo	26	19
82	70	Kailua Kona	28	21
51	36	Mauna Loa Observatory	11	2
75	58	Opihihale	24	15
84	70	Puukohola Heiau	29	21

Kauai

Average December temperatures
High °F	Low °F	Place	High °C	Low °C
82	67	Barking Sands	28	19
78	66	Kilauea	25	19
79	69	Lihue	26	20
83	68	Mahaulepu	28	20
81	67	Makaweli	27	19
78	65	Princeville Ranch	25	18
81	64	Waimea	27	18

Lanai

December temperature averages
High °F	Low °F	Place	High °C	Low °C
77	62	Lanai Airport	25	16

Maui

Temperature records for Maui include Kaanapali and Kapalua in West Maui, Makena on the South Shore, and Hana and Ohe'o Gulch Pools at the island's east end. The Haleakala weather station, at 6,960 feet (2,121 metres) elevation, is higher and cooler than the rest.

Normal temperatures for December
High °F	Low °F	Place	High °C	Low °C
61	45	Haleakala	16	7
79	68	Hana	26	20
78	66	Kaanapali	25	19
83	66	Kahului	29	19
80	68	Kapalua	27	20
70	55	Kula	21	13
75	66	Makena State Park	24	19
80	69	Ohe'o Gulch Pools	27	21
78	66	Puukolii	25	19

Molokai

Average December temperatures
High °F	Low °F	Place	High °C	Low °C
79	66	Halawa	26	19
80	67	Molokai Airport	27	19

Oahu

Average daily temperatures for December
High °F	Low °F	Place	High °C	Low °C
81	65	Ewa Beach	27	18
82	69	Honolulu	28	21
78	69	Kahuku	25	20
79	69	Kaneohe	26	20
82	69	Waikiki	28	20
79	68	Waimanalo	26	20
79	65	Waimea Falls Park	26	18

Hawaii Temperatures in December