Singapore weather in May
May in Singapore: sweltering, soaked, with very humid — a fair time to visit.
#7 of 12 months in Singapore · #553 of 604 destinations to visit in May · comfort 57/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Singapore climate normals — May
| Daytime high | 29°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 79°F | |
| Feels like (high) | 36°C / 97°F | |
| Rainfall | 223 mm / 8.8 in | ⛈ soaked |
| Rainy days | 28 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 25°C / 76°F | |
| Sunshine | 9.6 h/day | |
| Daylight | 12.2 h | |
| Wind | 11 km/h / 7 mph | |
| Air quality (US AQI) | 58 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Singapore in May — FAQ
- Is May a good time to visit Singapore?
- May in Singapore: sweltering, soaked, with very humid — a fair time to visit. It ranks #7 of 12 months for Singapore on SeasonMap's comfort score (57/100).
- What is the weather like in Singapore in May?
- In May, Singapore averages a daily high of 29.2°C and a low of 26.3°C, with about 223 mm of rain over roughly 28.2 rainy days.
- What is the air quality in Singapore in May?
- Singapore has a mean US Air Quality Index of about 58 in May.