Climate Overview
The climate in Singapore Changi Airport is hot. The average annual temperature is 27°C and approximately 2633mm of precipitation falls per year. Singapore Changi Airport receives a notable amount of rainfall throughout the year, including during its driest month. Singapore Changi Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Singapore Changi Airport has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is May, when average highs reach 29°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 26°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Singapore Changi Airport is a very wet location, receiving approximately 2633mm of precipitation annually, which averages out to around 219mm per month. The wettest month is November, averaging 346mm of rainfall. December and January also tend to see above-average precipitation. The driest month is February, with just 106mm. That's 241mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Singapore Changi Airport is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 11km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 19km/h in winter, 12km/h in spring, 15km/h in summer, 12km/h in autumn.
Seasons
87 days until Winter
It is currently autumn in Singapore Changi Airport, which began on September 23, 2026. Singapore Changi Airport sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in May at around 29°C, while the coldest stretch bottoms out in January near 26°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 624mm across the season with a monthly average of 208mm. Winds are generally light, averaging 12km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 635mm across the season with a monthly average of 212mm. Winds are generally light, averaging 15km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 738mm across the season with a monthly average of 246mm. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 636mm across the season with a monthly average of 212mm. Winds are moderate at around 19km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
The table below shows monthly climate averages for Singapore Changi Airport based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.
