Singapore Climate & Weather Averages

Climate Insights from Our Writers

“Singapore's climate is the most consistent I've studied in my years of research. The city sits just one degree north of the equator, and the data shows an astonishingly narrow temperature range — the average high varies by less than 1°C throughout the year, hovering around 31°C. The humidity is equally consistent, staying above 80% year-round. What this means for visitors is that Singapore's weather is predictable in its unpredictability — every day follows the same pattern of morning sunshine, building clouds, and an afternoon thunderstorm that clears the air before evening. I've tracked these patterns carefully and found that the rain is remarkably consistent, falling in the afternoon about 60% of days regardless of the month. The two monsoon seasons — the Northeast Monsoon from December to March and the Southwest Monsoon from June to September — bring slightly more rain but don't fundamentally change the daily rhythm. The UV index is a serious concern, hitting 11+ year-round between 11am and 3pm. This is among the highest UV levels I've recorded in any major city, and it requires serious sun protection for any outdoor activity. The best time for outdoor activities is early morning, between 6am and 9am, when temperatures are at their lowest and the UV is manageable. The city's famous hawker centers, air-conditioned malls, and covered walkways make it possible to navigate the city comfortably year-round despite the challenging climate. What I've come to appreciate about Singapore's climate is how it has shaped the city's architecture and urban planning — the covered walkways, the green spaces designed for stormwater management, the buildings designed for natural ventilation — all represent a sophisticated adaptation to the equatorial environment. For travelers, the advice is simple: accept that you'll sweat, hydrate aggressively, plan indoor activities for midday, and embrace the dramatic afternoon thunderstorms as part of the Singapore experience.”

— Climate & Travel Writer