Singapore weather in December
December in Singapore: hot, soaked, with very humid — a fair time to visit.
#9 of 12 months in Singapore · #449 of 604 destinations to visit in December · comfort 55/100 (tier D)
Updated June 2026 · climate normals from ERA5 reanalysis
Singapore climate normals — December
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 25°C / 77°F | |
| Feels like (high) | 33°C / 91°F | |
| Rainfall | 288 mm / 11.3 in | ⛈ soaked |
| Rainy days | 27 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 8.1 h/day | |
| Daylight | 12 h | |
| Wind | 14 km/h / 9 mph | |
| Air quality (US AQI) | 51 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Singapore?
Loading map…
Singapore in December — FAQ
- Is December a good time to visit Singapore?
- December in Singapore: hot, soaked, with very humid — a fair time to visit. It ranks #9 of 12 months for Singapore on SeasonMap's comfort score (55/100).
- What is the weather like in Singapore in December?
- In December, Singapore averages a daily high of 28.1°C and a low of 25.2°C, with about 287.9 mm of rain over roughly 26.6 rainy days.
- What is the air quality in Singapore in December?
- Singapore has a mean US Air Quality Index of about 51 in December.