Hawaii Temperatures in August





Typical temperatures for cities, towns, parks and beaches across the Hawaiian Islands during the month of August 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 August temperatures
High °F Low °F Place High °C Low °C
74 56 Hawaii Volcanoes Park 23 13
83 70 Hilo 28 21
87 76 Kailua Kona 31 24
57 41 Mauna Loa Observatory 14 5
78 64 Opihihale 26 18
89 75 Puukohola Heiau 31 24

Kauai

Average daily temperatures for August
High °F Low °F Place High °C Low °C
88 73 Barking Sands 31 23
83 72 Kilauea 29 22
85 75 Lihue 30 24
89 73 Mahaulepu 32 23
87 72 Makaweli 31 22
86 70 Princeville Ranch 30 21
87 70 Waimea 31 21

Lanai

August temperature averages
High °F Low °F Place High °C Low °C
83 67 Lanai Airport 29 19

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 August
High °F Low °F Place High °C Low °C
66 49 Haleakala 19 10
83 72 Hana 28 22
85 71 Kaanapali 29 21
90 72 Kahului 32 22
86 72 Kapalua 30 22
76 59 Kula 24 15
78 69 Makena State Park 25 21
83 73 Ohe'o Gulch Pools 28 23
85 71 Puukolii 29 21

Molokai

Average daily temperatures for August
High °F Low °F Place High °C Low °C
84 71 Halawa 29 22
87 73 Molokai Airport 30 23

Oahu

Average August temperatures
High °F Low °F Place High °C Low °C
87 71 Ewa Beach 31 22
89 76 Honolulu 32 24
83 75 Kahuku 28 24
84 74 Kaneohe 29 23
88 75 Waikiki 31 24
85 74 Waimanalo 29 24
86 70 Waimea Falls Park 30 21
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Hawaii Temperatures
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