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The Big Island weather in May

Are you planning a trip to The Big Island in May and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in The Big Island in May?

The Big Island is a region in the United States of America. May in The Big Island generally has temperatures that range from pleasant to warm, with precipitation levels ranging from moderate to heavy.

During the day temperatures vary from pleasant in Volcano at 22°C to warm in Pahoa at 26°C. At night it cools down to 21°C in Pahoa and 16°C in Volcano.

In May, precipitation varies across different areas. From moderate rainfall in Hawi with an average of 34 mm to heavy rainfall in Captain Cook with 393 mm. Meanwhile, Kailua-Kona enjoys approximately 275 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

To learn more about the conditions in specific areas of The Big Island in May, check out the map below. For more details on the yearly weather, visit our The Big Island climate page.

Where to go in The Big Island in May

Find the average weather conditions in May for the most popular destinations in The Big Island on the map below. Click on a destination dot for more detailed information.

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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).

Popular destinations in The Big Island

What is the weather like in May for the 5 most popular destinations in The Big Island?

Average weather in Kailua-Kona

In May Kailua-Kona generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 20°C and heavy monthly rainfall. So on average the conditions are poor that month.

Kailua-Kona
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
23°C 
20°C 
240 hours 
278 mm 
19 days 
poor 
24°C 
20°C 
275 hours 
303 mm 
18 days 
poor 
June   >> June
>>  
25°C 
21°C 
290 hours 
412 mm 
17 days 
poor 
Climate in Kailua-Kona

Average weather in Waikoloa

In May Waikoloa generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 18°C and heavy monthly rainfall. So on average the conditions are poor that month.

Waikoloa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
25°C 
18°C 
240 hours 
254 mm 
20 days 
25°C 
18°C 
275 hours 
276 mm 
18 days 
poor 
June   >> June
>>  
26°C 
19°C 
290 hours 
344 mm 
17 days 
poor 
Climate in Waikoloa

Average weather in Hapuna Beach

In May Hapuna Beach generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 19°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Hapuna Beach
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
25°C 
18°C 
240 hours 
208 mm 
20 days 
26°C 
19°C 
275 hours 
224 mm 
18 days 
June   >> June
>>  
27°C 
20°C 
290 hours 
269 mm 
17 days 
poor 
Climate in Hapuna Beach

Average weather in Kaupulehu

In May Kaupulehu generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 20°C and heavy monthly rainfall. So on average the conditions are poor that month.

Kaupulehu
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
24°C 
20°C 
240 hours 
256 mm 
19 days 
25°C 
20°C 
275 hours 
281 mm 
17 days 
poor 
June   >> June
>>  
26°C 
21°C 
290 hours 
367 mm 
16 days 
poor 
Climate in Kaupulehu

Average weather in Kalaoa

In May Kalaoa generally has high temperatures with maximum daytime temperatures around 24°C, minimum nighttime temperatures around 20°C and heavy monthly rainfall. So on average the conditions are poor that month.

Kalaoa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
24°C 
19°C 
240 hours 
291 mm 
19 days 
poor 
24°C 
20°C 
275 hours 
319 mm 
18 days 
poor 
June   >> June
>>  
25°C 
21°C 
290 hours 
422 mm 
17 days 
poor 
Climate in Kalaoa

Is your destination not in the list? Have a look at other destinations in The Big Island, in the United States of America.

Is May the best time to visit The Big Island?

Given the typically poor weather conditions in Kailua-Kona, May may not be the ideal time to visit The Big Island.

Generally speaking, the best visiting conditions can be found in January, February and December offering mostly pleasant weather in Kailua-Kona. In contrast, April, May, June, July, August, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in The Big Island. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed 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 climate conditions. Find out where to go with our weather planner.