May · United States
Best time to visit Honolulu in May Weather, crowds & prices
Weather in Honolulu in May
Average temperature 25°C, 53 mm of rain, about 31 days with 6+ hours of sunshine and 76% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
9.4/10
Ranked #7 of 12 months
- Avg temp
- 25°C
- Rainfall
- 53 mm
- Humidity
- 76%
- Days with 6h+ sun
- 31
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
May in Honolulu scores 9.4/10 for beach and coastal travel - ranked #7 of 12. Expect around 25°C, 53 mm of rain, and roughly 31 days with 6+ hours of sunshine this month.
Honolulu pairs Waikiki's sheltered surf with Diamond Head, Pearl Harbor, and a compact, walkable downtown.
May ranks 7th of 12 for Honolulu — one of the best windows
May averages 25°C (76°F) — warm enough for beach and boat plans, still short of the heat that pushes sightseeing into early morning.
Rainfall runs 53 mm, so plan one flexible day in three; you still get about 31 days with 6+ hours of sunshine and 13 hours of daylight.
A 9.4/10 puts this among the year's best months in Honolulu (7th of 12); only July scores higher, at 9.9/10.
Pack light clothing, swimwear and real sun protection, a packable rain layer.
Plan for mid-season pricing, with crowds are moderate.
Frequently asked
- What is the weather like in Honolulu in May?
- In May, Honolulu averages 25°C, 53 mm of rain, and about 31 days with 6+ hours of sunshine. Its climate-comfort score is 9.4/10.
- Is May a good time to visit Honolulu?
- May earns a 9.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Honolulu in May?
- Expect about 53 mm of rain in May. Average humidity is 76% and there are about 31 days with 6+ hours of sunshine.
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Honolulu, United States. Live activities and tours from GetYourGuide, matched to this destination.