Honolulu weather

Our guide to the weather in Honolulu during May

26

Average high

6

UV Index

65mm

Monthly rainfall

74%

Humidity

We've looked at the most up-to-date weather data for Honolulu, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Honolulu weather in May.

How warm is it in Honolulu during May?

The temperature is extremely stable in May with average highs of 26℃ and lows just 4℃ lower at 23℃. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Honolulu during May?

On average, there will be 2 rainy days during the month, amounting to 65.2mm in total. That's broadly comparable with the amount of rain we see in England during the summer months, and would be considered dry. You're not likely to see a thunderstorm during your trip.

Is it windy in Honolulu during May?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during May. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

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Weather in Honolulu

Our month-by-month guide to the weather and climate in Honolulu

24.5

Honolulu weather in

January
24.2

Honolulu weather in

February
24.3

Honolulu weather in

March
25.0

Honolulu weather in

April
26.0

Honolulu weather in

May
26.7

Honolulu weather in

June
27.2

Honolulu weather in

July
27.7

Honolulu weather in

August
28.0

Honolulu weather in

September
27.5

Honolulu weather in

October
26.2

Honolulu weather in

November
24.9

Honolulu weather in

December