Singapore Weather In October 2025 Humidity. October in singapore brings warm temperatures and sunny days, with the mercury hovering between nearly 25.1c to 28.7c. Daytime temperatures usually reach 31°c in singapore in october with very high heat and humidity, falling to 23°c at night.
Get the monthly weather forecast for singapore, central singapore, singapore, including daily high/low, historical averages, to help you plan ahead. Hourly week 10 days 14 days 30 days year.