Climate & Weather Guide in Singapore

Climate zones, seasonal temperatures, rainfall patterns, and best travel times

Singapore is a small equatorial city-state with a consistently hot, humid, and rainy tropical climate. It has no true winter or summer in the temperate sense; instead, weather stays warm year-round with small month-to-month temperature changes and frequent convective showers. The national climate is classified as tropical rainforest (Köppen Af), with very high humidity and abundant rainfall spread across the year. Current official climate information shows a long-term mean annual rainfall of about 2113.3 mm and typical daytime temperatures around 31-33°C, with nights usually staying above 23-25°C. For residents and expats, the main comfort challenge is not cold but heat, humidity, and sudden heavy rain.

Summer Average

31-33°C

Winter Average

24-27°C

Climate Types

Tropical rainforest

Annual Rainfall

2113-2200 mm

Sunshine Hours

2,000-2,200 hrs/yr

Average Humidity

75-90%

Regional Climate Variations

Central and Coastal Singapore

This region covers most of Singapore’s built-up core, coastal districts, and low-lying urban areas. The climate is hot and humid all year, with little seasonal temperature change and frequent showers, especially during monsoon surges and afternoon thunderstorm activity. Official guidance describes daily temperatures that usually stay between 23-25°C at night and 31-33°C by day, with high humidity throughout the year. For residents, the main practical issue is heat retention in dense urban areas, where outdoor comfort can be reduced by limited shade and reflected heat.

Summer:31-33°C

Winter:24-27°C

Very high rainfall

Feels warm, sticky, and often cloudy or storm-prone; air-conditioning and rain protection are important for daily comfort.

Singapore has one dominant tropical rainforest climate zone, so climate differences across the country are small compared with larger nations. It is attractive for expats who can tolerate constant warmth and high humidity, but less suitable for those who strongly prefer cool or dry weather.

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