Singapore weather

Our guide to the weather in Singapore during January

30

Average high

6

UV Index

331mm

Monthly rainfall

28

Sea temperature

Singapore is a vibrant and modern city-state located just above the equator in the tropical belt. We've looked at the most up-to-date weather data for Singapore, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Singapore weather in January.

How warm is it in Singapore during January?

January is typically the coolest month in Singapore, although we use the term cool in a relative sense! Expect heat, with the temperature hitting about 30℃ during the day, falling away to a balmy 25℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Singapore during January?

On average, there will be 14 rainy days during the month, amounting to 330.9mm in total. That's a lot of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, January will see just 4 days that produce a storm.

Is it windy in Singapore during January?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during January. The high humidity and warm temperature will make the breeze feel warm, so any cooling effect will be limted.

How warm is the sea in Singapore during January?

The water around Singapore reaches a very pleasant 28℃ during January. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.

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Weather in Singapore

Our month-by-month guide to the weather and climate in Singapore

29.6

Singapore weather in

January
30.3

Singapore weather in

February
31.3

Singapore weather in

March
31.9

Singapore weather in

April
32.2

Singapore weather in

May
31.5

Singapore weather in

June
31.1

Singapore weather in

July
31.1

Singapore weather in

August
31.3

Singapore weather in

September
31.5

Singapore weather in

October
30.8

Singapore weather in

November
29.9

Singapore weather in

December