Palau Palau Weather in May — Climate Guide
May in Palau is moderate
Palau Weather in May — Quick Answer
As of 2026- Avg temp
- 31° / 25°
- Rainfall
- 280mm · 19 days
- Crowds
- Moderate
As of 2026, Palau in May averages a high of 31°C and low of 25°C with 280mm of rain over about 19 days. Wetter season begins, hot and humid around 31°C/25°C. Light clothing, swimwear, a rash guard and a packable rain jacket. UV is still extreme (11) even on cloudy days.
May is moderate for Palau.
May marks the start of Palau's wetter season, with the steady 31°C/25°C warmth and more frequent rain. Crowds and prices ease compared with the dry months.
Diving and boat trips are still very possible — rain often comes in passing showers rather than all-day downpours — but conditions are more variable, so build flexibility into boat and dive days.
Travel score
Palau May Weather Stats
Avg High
31°C
Avg Low
25°C
Rainy Days
19
280mm total
Sunshine
6h
Daily avg
Humidity
83%
muggy
UV Index
11
Extreme
Wind
11 km/h
Gusts 22
Crowds
Moderate
At attractions
May Sunrise & Sunset
Air Quality
PM2.5
7 μg/m³
PM10
15 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
37°C
Nighttime
27°C
Humidity and wind affect how the actual temperature feels.
Wind
11 km/h
Max gust 22 km/h
Activities Recommended for May
May Travel Pros & Cons
Pros
- Quieter and somewhat better value than the dry season
- Showers often pass quickly
- Diving still very possible
Cons
- Wetter season begins — more rain
- Boat days more weather-dependent
- Less consistent visibility
- Still extreme UV and high humidity
May Events & Festivals
- Start of the wetter season — more frequent rain
- Shoulder pricing — quieter than the dry months
- Boat days more weather-dependent
Palau in May — Full Picture
May marks the start of Palau's wetter season, with the steady 31°C/25°C warmth and more frequent rain. Crowds and prices ease compared with the dry months.
Diving and boat trips are still very possible — rain often comes in passing showers rather than all-day downpours — but conditions are more variable, so build flexibility into boat and dive days.
This shoulder period can be good value, with somewhat lower demand on flights and rooms, though Palau is never cheap. Visibility and sea state are less consistent than in the dry months.
UV stays extreme even under cloud, and humidity is high. The Jellyfish Lake experience varies year to year — check before paying the permit.
What to Wear & What to Pack
Wetter season begins, hot and humid around 31°C/25°C. Light clothing, swimwear, a rash guard and a packable rain jacket. UV is still extreme (11) even on cloudy days.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current31°C
24.7°C
17/mo
Summer (Jun·Jul·Aug)
31°C
25°C
21.7/mo
Autumn (Sep·Oct·Nov)
31°C
25°C
18.7/mo
Winter (Dec·Jan·Feb)
31°C
24.3°C
18/mo
Palau Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| January (Best) | 31° | 24° | 19d·280mm | 6.5h | 82% | 11 | Busy | Peak |
| February (Best) | 31° | 24° | 16d·200mm | 7h | 80% | 11 | Busy | Peak |
| March (Best) | 31° | 24° | 16d·220mm | 7h | 80% | 12 | Busy | Peak |
| 31° | 25° | 16d·230mm | 7h | 80% | 12 | Busy | Peak | |
| 31° | 25° | 19d·280mm | 6h | 83% | 11 | Moderate | Shoulder | |
| 31° | 25° | 21d·320mm | 5.5h | 84% | 11 | Quiet | Low season | |
| 31° | 25° | 22d·380mm | 5h | 85% | 11 | Quiet | Low season | |
| 31° | 25° | 22d·360mm | 5.5h | 85% | 11 | Quiet | Low season | |
| 31° | 25° | 20d·300mm | 5.5h | 84% | 11 | Quiet | Low season | |
| 31° | 25° | 18d·250mm | 6h | 83% | 11 | Moderate | Shoulder | |
| 31° | 25° | 18d·240mm | 6h | 83% | 11 | Moderate | Peak | |
| 31° | 25° | 19d·290mm | 6h | 83% | 11 | Busy | Peak |
View Other Months
Palau May Hotel Picks
Frequently Asked Questions
Is May a good time to visit Palau?
Palau in May is moderate. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in Palau in May?
Palau May averages a high of 31°C and a low of 25°C.
Does it rain much in Palau in May?
Palau May averages 280mm of rainfall over about 19 rainy days.
What should I wear in Palau in May?
Wetter season begins, hot and humid around 31°C/25°C. Light clothing, swimwear, a rash guard and a packable rain jacket. UV is still extreme (11) even on cloudy days.
What time are sunrise and sunset in Palau in May?
Palau May sunrise is 06:00 and sunset is 18:20, with 12h 20min of daylight.
What's the air quality like in Palau in May?
Palau May air quality (AQI) averages 24, rated Good. PM2.5 averages 7μg/m³.
What activities are recommended in Palau in May?
In May, Palau is great for Rock Islands boat day (weather permitting), Diving the famous walls, Snorkeling between showers.
Is May peak season in Palau?
Palau May crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
Best Months to Visit Palau
View Other Months
Planning a May trip to Palau?
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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.