Singapore weather in January
Temperature, sea and sunshine in January: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in January
Fair
Best time to visit: January – February
What is the weather like in Singapore in January?
In January, Singapore is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 28.1 °C – lovely and warm for swimming. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 21 days, totalling 233 mm. The air is often humid and muggy. All in all, January is a so-so month for a holiday in Singapore.
January compared
How the weather changes from December to February. Tap a month to open it.
| DecemberDec | JanuaryJan | FebruaryFeb | |
|---|---|---|---|
| Score | 49 | 54 | 59 |
| Day | 28° | 28° | 28° |
| Night | 25° | 25° | 25° |
| Sea | 29° | 28° | 28° |
| Sun | 4 h | 6 h | 7 h |
| Rain days | 27 | 21 | 16 |
More details for January
- Daylight
- 12 h 3 min07:12 – 19:15
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or more
- Wind
- 18 km/haverage daily peak
- Cloud cover
- 86 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+8Asia/Singapore
How the score comes together
- Temperatureweight 50 %90 %
- Sunshineweight 20 %47 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in January
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Singapore in January: quick answers
Is Singapore hot in January?
Yes. In January, Singapore is hot: daytime highs average 28 °C and nights stay around 25 °C.
Can you swim in Singapore in January?
Yes. In January the sea averages 28.1 °C – lovely and warm for swimming.
Does it rain much in Singapore in January?
It rains often – on about 21 days, adding up to 233 mm.
Singapore month by month
The whole year in SingaporeAll destinations: SingaporeWhere to go in JanuarySea temperature in January
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)