Singapore weather in January
Singapore averages 29°C by day and 24°C at night in January, with the sea at 28°C and 26 days with at least 1 mm of rain.
Day
29°C
Night
24°C
Sea
28°C
Rainy days
26
Flight from London
13½h
What January feels like
January is hot but wet in Singapore: rainy season, so pack for showers.
The sea is warm at 28°C: comfortable for long swims.
It is rainy season, with rain on about 26 days.
Of the 48 sun destinations we track, Singapore is the #9 warmest in January.
Want it warmer in January?
These are hotter than Singapore this month for at most an hour and a half more flying:
Singapore weather by month
January is highlighted. Compare with December and February, or see the full year in Singapore.
Singapore in January: quick answers
Is Singapore hot in January?
January is hot but wet in Singapore: rainy season, so pack for showers. Average highs are 29°C and lows 24°C.
Can you swim in Singapore in January?
The sea is warm at 28°C: comfortable for long swims.
Does it rain in Singapore in January?
It is rainy season, with rain on about 26 days.
What is the warmest month in Singapore?
March, at an average high of 31°C. The coolest is January at 29°C.
How long is the flight to Singapore from the UK?
About 13½h direct from London, estimated from the 10,871 km distance. Check your airline for exact times.
Still choosing? See where is hot in January for every destination ranked by temperature, sea and flight time.
How we measured this
Averages of every day in January from 2016 to 2025, from the Open-Meteo historical weather archive (ECMWF ERA5 reanalysis). Sea temperature is the 2023 to 2025 average from the Open-Meteo marine archive. A rainy day has at least 1 mm of rain. Reanalysis describes an area about 25 km across, so sheltered resorts can run a degree or two warmer. Flight time is a distance-based estimate from London Heathrow.
Planning Singapore in January?
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