Hilo weather in May (Hawaii, United States of America)

Is May a good time to explore Hilo weather-wise? Is now the perfect time to visit? Find all the weather insights for this month on this page.

Temperatures

In May, Hilo typically experiences high temperatures and heavy rainfall. Daytime temperatures generally settle around 24°C, while nighttime can see a dip to about 18°C.

Precipitation

Hilo in May falls under the rainy season with heavy rainfall, averaging around 171 mm for the month. Past climate data indicates that roughly 19 days will see rain.

Average sunshine

The month experiences a moderate amount of sunlight, with 158 hours hours. A nice balance between sunshine and clouds.

So this is a great month to visit if you prefer dry days with pleasant temperatures. January, May, June, July, August, September and October typically offer the most optimal weather. In contrast, March tends to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Hilo climate page with graphs.

 

Hilo, monthly averages in May

Min Temperature 18°C  

Max Temperature 24°C  

Chance of Rain 63%  

Precipitation 171 mm  

Rainy days 19 days  

Humidity 78%  

Sunshine 158 hours  

Percentage Sunshine 37%  

Where to go in the United States of America in May

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Hilo, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Camping

6/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Hilo.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.