Singapore Singapore Weather in May — Climate Guide
May in Singapore is Moderate
May is Moderate for Singapore.
May is the muggiest month — 84% humidity makes the 32°C feel like 39°C. Most uncomfortable for outdoor walking. Plan attractions around the 7-10 AM and 5-8 PM cooler windows.
Vesak Day (Buddha's birthday) is a public holiday — Buddhist temples are at their most active. The ATxSG tech conference (mid-late May) brings 30,000+ international visitors and spikes hotel prices for that one week.
Travel score
Wet season + Korean Children's Day + Vesak Day surge
May Weather at a Glance
May averages 88°F / 31°C highs and 77°F / 25°C lows — wet + heat. 14 rainy days, 175mm. Humidity 85% + UV 11+. Southeast Asian wet season but short 1-2 hour afternoon showers — not all-day rain.
May Travel Advice
Short sleeves + shorts + SPF 50 + folding umbrella. May 1 Labor Day + Korean Children's Day + Buddha's Day 5-day weekend. May 18 Vesak Day (Buddha's Birthday, public holiday). USS + S.E.A. + Mandai 4-park combo etc. indoor activity #1.
Flying In from Overseas
Korean Children's Day + Buddha's Day 1-week 1.5-2x — Asia-Singapore $560-1,000 round-trip. Late May (post-holiday) value $300-540.
May Pricing Trends
Holiday week 1.5x — Bugis/Chinatown 3-star $105-200/night. Late May normalizes to $70-130.
Singapore May Weather Stats
Avg High
32°C
Avg Low
25°C
Rainy Days
13
170mm total
Sunshine
6h
Daily avg
Humidity
84%
Muggy
UV Index
12
Extreme
Wind
9 km/h
Gusts 18
Sea Temp
29°C
Swimming ideal
Crowds
Moderate
At attractions
May Sunrise & Sunset
Air Quality
PM2.5
22 μg/m³
PM10
35 μg/m³
Status
Moderate
Feels-Like Temperature & Wind
Feels like
Daytime
39°C
Nighttime
28°C
Humidity and wind affect how the actual temperature feels.
Wind
9 km/h
Max gust 18 km/h
Activities Recommended for May
May Travel Pros & Cons
Pros
- Pre-summer pricing in shoulder season
- Vesak Day Buddhist temple atmosphere
- Indoor-AC attractions thrive in heat
Cons
- Muggiest month — highest heat index of the year
- ATxSG conference week spikes hotel prices
- Sunshine reducing as monsoon approaches
May Events & Festivals
- Vesak Day (Buddha's birthday, public holiday)
- ATxSG (Asia Tech x Singapore conference)
Singapore in May — Full Picture
May is the muggiest month — 84% humidity makes the 32°C feel like 39°C. Most uncomfortable for outdoor walking. Plan attractions around the 7-10 AM and 5-8 PM cooler windows.
Vesak Day (Buddha's birthday) is a public holiday — Buddhist temples are at their most active. The ATxSG tech conference (mid-late May) brings 30,000+ international visitors and spikes hotel prices for that one week.
Hotel pricing: $135-260 / S$175-330 for 4-star outside conference week. Conference week (typically May 26-29): $300-500 / S$385-640.
What to Wear & What to Pack
Pre-southwest-monsoon. 32°C/25°C with 84% humidity — the muggiest month of the year. Quick-dry clothing essential. Light rain jacket; afternoon showers nearly daily. Strong UV — SPF 50+ + hat.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
Current32°C
24.7°C
13.3/mo
Summer (Jun·Jul·Aug)
31°C
25°C
13/mo
Autumn (Sep·Oct·Nov)
31°C
24.7°C
14.3/mo
Winter (Dec·Jan·Feb)
30.3°C
24°C
14/mo
Singapore Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 30° | 24° | 15d·240mm | 5.5h | 84% | 11 | Very busy | Peak | |
| February (Best) | 31° | 24° | 10d·110mm | 6.5h | 80% | 11 | Busy | Peak |
| March (Best) | 32° | 24° | 13d·175mm | 6.5h | 81% | 12 | Busy | Shoulder |
| 32° | 25° | 14d·175mm | 6.5h | 82% | 12 | Moderate | Shoulder | |
| 32° | 25° | 13d·170mm | 6h | 84% | 12 | Moderate | Shoulder | |
| 31° | 25° | 13d·160mm | 6h | 82% | 12 | Busy | Shoulder | |
| 31° | 25° | 13d·150mm | 6h | 82% | 12 | Busy | Peak | |
| 31° | 25° | 13d·145mm | 6.5h | 81% | 12 | Very busy | Peak | |
| 31° | 25° | 13d·165mm | 6h | 81% | 11 | Very busy | Peak | |
| 31° | 25° | 14d·180mm | 6h | 83% | 11 | Moderate | Shoulder | |
| 31° | 24° | 16d·260mm | 5h | 85% | 10 | Moderate | Low season | |
| 30° | 24° | 17d·290mm | 5h | 86% | 10 | Very busy | Peak |
View Other Months
Singapore May Hotel Picks
Frequently Asked Questions
Is May a good time to visit Singapore?
Singapore in May is Moderate. Tourist crowds are moderate and flight/hotel prices are shoulder.
What's the average temperature in Singapore in May?
Singapore May averages a high of 32°C and a low of 25°C.
Does it rain much in Singapore in May?
Singapore May averages 170mm of rainfall over about 13 rainy days.
What should I wear in Singapore in May?
Pre-southwest-monsoon. 32°C/25°C with 84% humidity — the muggiest month of the year. Quick-dry clothing essential. Light rain jacket; afternoon showers nearly daily. Strong UV — SPF 50+ + hat.
What time are sunrise and sunset in Singapore in May?
Singapore May sunrise is 06:55 and sunset is 19:05, with 12h 10m of daylight.
What's the air quality like in Singapore in May?
Singapore May air quality (AQI) averages 48, rated Good. PM2.5 averages 22μg/m³.
What activities are recommended in Singapore in May?
In May, Singapore is great for Vesak Day Buddhist temple visits, Sentosa S.E.A. Aquarium (AC), ArtScience Museum.
Is May peak season in Singapore?
Singapore May crowds are moderate and prices are shoulder. You can travel relatively comfortably without long queues.
Best Months to Visit Singapore
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.