Weather in Honolulu, United States in May

So you're interested in going to Honolulu, United States in May

May is a hot and slightly rainy time for sunbathing in Honolulu. May is an excellent month for swimming in Honolulu with very warm sea temperatures. Consider visiting Honolulu in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for May.

Temperature in Honolulu in May

The average maximum temperature in Honolulu in May is 27°. The average maximum temperature is 26° in the previous month and 28° in the next month.

The average temperature in Honolulu in May is 24°. The average temperature ranges is 23° in the previous month and 25° in the next month.

The average minimum temperature in Honolulu in May is 21°. The minimum temperature is 20° in the previous month and 22° in the next month.

Sunshine in Honolulu in May

The average day light hours per day in Honolulu in May are 13.2 and there are 7.1 hours of sunshine per day on average during May making it a quite sunny month with some cloud cover.

The ultraviolet index in Honolulu in May is typically 12.6 during May. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Honolulu in May

The average sea water temperature in Honolulu in May is 25.9° which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Honolulu in May

The average total rainfall in Honolulu in May is 10.7cm and on average there are 14.7 rainy days in May making it a slightly wet time to visit the beach.

Humidity in Honolulu in May

The maximum dew point (an indicator of humidity) in Honolulu in May is 20° which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 19° in the previous month and 20° in the next month.

The average maximum relative humidity in Honolulu in May is typically 85.9%. The maximum relative humidity is 85.7% in the previous month and 84.3% in the next month.

The average relative humidity in Honolulu in May is typically 72.5%. The average relative humidity is 72.7% in the previous month and 71.1% in the next month.

Wind Speed in Honolulu in May

The average maximum wind speed in Honolulu in May is typically 26kmh. The average maximum wind speed is 28kmh in the previous month and 29kmh in the next month.

The average wind speed in Honolulu in May is typically 14kmh. The average wind speed is 15kmh in the previous month and 16kmh in the next month.

The average wind direction in Honolulu in May is from the East-Northeast.

Monthly Averages

Suggested Beaches in May

Book Accomodation Deals