May Temperature in Hawaii - Current Results

Typical temperatures for cities, towns, parks and beaches across the Hawaiian Islands during the month of May 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 May temperatures
High °F	Low °F	Place	High °C	Low °C
71	53	Hawaii Volcanoes Park	21	12
81	67	Hilo	27	20
84	73	Kailua Kona	29	23
56	39	Mauna Loa Observatory	13	4
75	61	Opihihale	24	16
86	72	Puukohola Heiau	30	22

Kauai

Average daily temperatures for May
High °F	Low °F	Place	High °C	Low °C
84	69	Barking Sands	29	20
80	68	Kilauea	27	20
82	71	Lihue	28	22
86	70	Mahaulepu	30	21
83	69	Makaweli	28	20
83	67	Princeville Ranch	28	19
84	67	Waimea	29	19

Lanai

May temperature averages
High °F	Low °F	Place	High °C	Low °C
80	63	Lanai Airport	27	17

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 May
High °F	Low °F	Place	High °C	Low °C
63	46	Haleakala	17	8
80	68	Hana	27	20
81	67	Kaanapali	27	20
87	68	Kahului	30	20
83	69	Kapalua	28	20
71	56	Kula	22	13
75	66	Makena State Park	24	19
80	70	Ohe'o Gulch Pools	27	21
81	67	Puukolii	27	20

Molokai

Average May temperatures
High °F	Low °F	Place	High °C	Low °C
80	68	Halawa	27	20
83	69	Molokai Airport	28	20

Oahu

Average daily temperatures in May
High °F	Low °F	Place	High °C	Low °C
84	67	Ewa Beach	29	19
85	72	Honolulu	29	22
80	70	Kahuku	26	21
82	70	Kaneohe	28	21
85	71	Waikiki	29	22
81	70	Waimanalo	27	21
83	67	Waimea Falls Park	28	19

Hawaii Temperatures in May