Hilo
SpringGood time to go ~78°F highs
Things to do in Hilo in May
May is a good month to visit Hilo, with average highs around 78°F. Blooming parks and mild days make it easy to pack in sights.
Best picks for May
What's famous here, weighted toward what shines in May.
Holidays in May 2027
- Memorial Day · Mon, May 31
Expect busier roads and pricier stays around these dates. See long weekends.
Also great in May in Hawaii
Hilo in May: quick answers
Is May a good time to visit Hilo?
May is a good month to visit Hilo, with average highs around 78°F. Blooming parks and mild days make it easy to pack in sights.
What is the weather like in Hilo in May?
Average daytime highs are around 78°F, compared with 82°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.
What are the best things to do in Hilo in May?
Top picks for May: Hawaiʻi Volcanoes National Park, Hawaiʻi Volcanoes National Park/Kahuku Ranch Cooperative Nene Sanctuary, ʻAkaka Falls State Park, Wailuku River State Park, Hakalau Forest National Wildlife Refuge.
