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 1981 to 2010 by the US National Climatic Data Center.
Island of Hawaii (Big Island)
Places with weather information on Hawaii's Big Island include Kainaliu, Kailua Kona and Captain Cook in South Kona; Naalehu at the island's south end; 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 |
| 78 |
69 |
Captain Cook |
25 |
21 |
| 71 |
53 |
Hawaii Volcanoes Park |
21 |
12 |
| 81 |
67 |
Hilo |
27 |
19 |
| 84 |
72 |
Kailua Kona |
29 |
22 |
| 76 |
62 |
Kainaliu |
24 |
17 |
| 56 |
38 |
Mauna Loa Observatory |
13 |
4 |
| 79 |
65 |
Naalehu |
26 |
19 |
| 76 |
61 |
Opihihale |
25 |
16 |
| 81 |
67 |
Puukohola Heiau |
27 |
19 |
| 84 |
69 |
Upolu Point |
29 |
21 |
Kauai
Average daily temperatures for May
| High °F |
Low °F | Place | High °C |
Low °C |
| 80 |
67 |
Kilauea |
27 |
19 |
| 81 |
70 |
Lihue |
27 |
21 |
| 83 |
67 |
Mahaulepu |
28 |
19 |
| 83 |
68 |
Makaweli |
28 |
20 |
| 81 |
66 |
Princeville Ranch |
27 |
19 |
| 84 |
66 |
Waimea |
29 |
19 |
| 79 |
63 |
Wainiha |
26 |
17 |
Lanai
May temperature averages
| High °F |
Low °F | Place | High °C |
Low °C |
| 80 |
63 |
Lanai Airport |
26 |
17 |
Maui
Temperature records for Maui include Lahaina 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 |
45 |
Haleakala National Park |
17 |
7 |
| 80 |
68 |
Hana |
27 |
20 |
| 84 |
67 |
Kahului |
29 |
20 |
| 82 |
69 |
Kapalua |
28 |
20 |
| 72 |
55 |
Kula |
22 |
13 |
| 85 |
68 |
Lahaina |
29 |
20 |
| 75 |
66 |
Makena State Park |
24 |
19 |
| 80 |
70 |
Ohe'o Gulch Pools |
27 |
21 |
| 82 |
67 |
Puukolii |
28 |
19 |
Molokai
Average May temperatures
| High °F |
Low °F | Place | High °C |
Low °C |
| 80 |
68 |
Halawa |
27 |
20 |
| 82 |
67 |
Molokai Airport |
28 |
19 |
Oahu
Average daily temperatures in May
| High °F |
Low °F | Place | High °C |
Low °C |
| 85 |
71 |
Honolulu |
29 |
22 |
| 80 |
68 |
Kahuku |
27 |
20 |
| 83 |
71 |
Kaneohe |
28 |
22 |
| 85 |
70 |
Waikiki |
29 |
21 |
| 82 |
70 |
Waimanalo |
28 |
21 |
| 84 |
66 |
Waimea Falls Park |
29 |
19 |