United States Honolulu Weather in May — Climate Guide
May in Honolulu is very-high
May is very-high for Honolulu.
Korean Golden Week peak — Korean honeymoon. Hotels surge.
Travel score
Honolulu May Weather Stats
Avg High
28°C
Avg Low
22°C
Rainy Days
5
30mm total
Sunshine
10h
Daily avg
Humidity
65%
moderate
UV Index
11
Extreme
Wind
14 km/h
Gusts 30
Sea Temp
26°C
swimming
Crowds
Very busy
At attractions
May Sunrise & Sunset
Air Quality
PM2.5
6 μg/m³
PM10
15 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
30°C
Nighttime
22°C
Humidity and wind affect how the actual temperature feels.
Wind
14 km/h
Max gust 30 km/h
Activities Recommended for May
May Travel Pros & Cons
Pros
- Ideal weather
- Korean Golden Week
Cons
- Korean Golden Week peak
- Memorial Day surge
May Events & Festivals
- Korean Golden Week
- Memorial Day weekend US
Honolulu in May — Full Picture
Korean Golden Week peak — Korean honeymoon. Hotels surge.
What to Wear & What to Pack
Tropical light + UV.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current27.7°C
21°C
6/mo
Summer (Jun·Jul·Aug)
30°C
23.7°C
3.7/mo
Autumn (Sep·Oct·Nov)
29.7°C
23°C
7/mo
Winter (Dec·Jan·Feb)
27°C
20.3°C
10.3/mo
Honolulu Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 27° | 20° | 11d·100mm | 7h | 70% | 8 | Very busy | Peak | |
| February (Best) | 27° | 20° | 9d·80mm | 8h | 68% | 9 | Very busy | Peak |
| March (Best) | 27° | 20° | 7d·60mm | 8h | 67% | 9 | Busy | Shoulder |
| April (Best) | 28° | 21° | 6d·30mm | 9h | 65% | 10 | Busy | Shoulder |
| May (Best) | 28° | 22° | 5d·30mm | 10h | 65% | 11 | Very busy | Peak |
| June (Best) | 29° | 23° | 4d·15mm | 11h | 63% | 11 | Very busy | Peak |
| July (Best) | 30° | 24° | 3d·10mm | 11h | 65% | 12 | Very busy | Peak |
| August (Best) | 31° | 24° | 4d·15mm | 11h | 65% | 12 | Very busy | Peak |
| September (Best) | 30° | 24° | 5d·25mm | 10h | 65% | 11 | Busy | Shoulder |
| October (Best) | 30° | 23° | 7d·50mm | 9h | 67% | 9 | Moderate | Shoulder |
| November (Best) | 29° | 22° | 9d·80mm | 8h | 70% | 8 | Moderate | Shoulder |
| 27° | 21° | 11d·100mm | 7h | 70% | 7 | Very busy | Peak |
View Other Months
Honolulu May Hotel Picks
Frequently Asked Questions
Is May a good time to visit Honolulu?
Honolulu in May is very-high. Tourist crowds are very busy and flight/hotel prices are peak.
What's the average temperature in Honolulu in May?
Honolulu May averages a high of 28°C and a low of 22°C.
Does it rain much in Honolulu in May?
Honolulu May averages 30mm of rainfall over about 5 rainy days.
What should I wear in Honolulu in May?
Tropical light + UV.
What time are sunrise and sunset in Honolulu in May?
Honolulu May sunrise is 06:00 and sunset is 18:55, with 12h 55min of daylight.
What's the air quality like in Honolulu in May?
Honolulu May air quality (AQI) averages 25, rated Good. PM2.5 averages 6μg/m³.
What activities are recommended in Honolulu in May?
In May, Honolulu is great for Waikiki, Diamond Head sunrise, Pearl Harbor.
Is May peak season in Honolulu?
Honolulu May crowds are very busy and prices are peak. Advance reservations are strongly recommended.
Best Months to Visit Honolulu
View Other Months
Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.