Weather in Singapore in October

How October compares

October is the 8th warmest month of the year in Singapore and ranks 23rd of 134 destinations we compare for October - see where else is hot in October. Against London's average high of 14.6°C in October, Singapore is 13.8°C warmer by day and 17.0°C warmer at night.

Daytime and night-time in October

The typical October day in Singapore peaks at 28.4°C, but that is an average: the warmest 10% of days reach 29.3°C or more. About 100% of days top 25°C and 1 in 56 pass 30°C. Nights average 25.4°C; one night in ten drops to 24.6°C or lower, so pack a layer for evenings. Between 1991 and 2020 the hottest October day here reached 31.0°C (2017-10-20) and the coldest night 23.4°C (1993-10-15).

Rain in October

Wet (more than 8 rainy days): about 27 days with 1 mm or more, 238 mm in total. Year to year it varies a lot - the wettest October was 2011 with 338 mm, the driest 2006 with 161 mm. Humidity averages 83%, which makes the heat feel heavier than the thermometer suggests.

Sea temperature in October

The sea averages 29.2°C - warm enough to swim (22°c+). Depending on the year it ranges from 28.7°C to 29.6°C. For the warmest sea here, come in May (30.1°C).

Sunshine and daylight

Around 1.9 hours of sunshine a day (estimated from cloud cover), 12.0 hours of daylight: the sun rises about 06:48 and sets about 18:53 local time in mid-October. Average cloud cover is 84%.

Is October a good time to visit Singapore?

It is a reasonable choice: hot days but expect showers. The best months for Singapore on our scoring are July, June, March; months averaging 25°C or more: Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec.

Hot days, with little relief after dark

The heat is consistent rather than extreme: days reaching 30°C are uncommon, but humidity of 83% can make being outdoors feel more demanding than the temperature suggests. Pack loose, lightweight clothes and allow time for indoor breaks rather than planning to walk throughout the day. With average night lows of 25.4°C, evenings are still warm, so do not expect sunset to bring the sort of cooling you get at home. Air-conditioned accommodation is a sensible priority if warm nights affect your sleep. October suits travellers comfortable with humid heat more than those hoping for mild weather for long days on foot.

Plan around rain, not long spells of sunshine

Rain is the main compromise in October. With about 27 rainy days, it makes sense to have an indoor alternative whenever you plan time outside. That does not mean every day is a washout, but it is not a month to make dry weather essential to enjoying the trip. Sunshine averages about 1.9 hours a day, despite 12 hours of daylight, so long bright stretches should not be your expectation. Carry a compact umbrella and choose footwear you can cope with getting wet. Keep plans flexible enough to use dry spells when they arrive, rather than assuming a particular time of day will stay clear.

Warm water, but not dependable beach weather

At 29.2°C, the sea is warm enough for comfortable swimming without a bracing first dip. That is a clear benefit if time in the water matters to you, although warm water does not remove the need to plan around wet weather. Treat swimming as something to fit around conditions rather than the foundation of every day. From London, the flight takes about 14 hours 18 minutes, so think carefully about what you want from that long-haul journey. October makes more sense for a trip that mixes indoor and outdoor time than for one whose main aim is dependable sunshine and dry afternoons.