Climate Overview
The climate in Tanah Merah is hot. The average annual temperature is 27°C and approximately 2889mm of precipitation falls per year. Tanah Merah receives a notable amount of rainfall throughout the year, including during its driest month. Tanah Merah sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Tanah Merah sees moderate temperature variation throughout the year, ranging from 22°C to 34°C. The warmest month is May, when average highs reach 34°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 22°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
Tanah Merah is a very wet location, receiving approximately 2889mm of precipitation annually, which averages out to around 241mm per month. The wettest month is November, averaging 484mm of rainfall. December and October also tend to see above-average precipitation. The driest month is March, with just 74mm. That's 411mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Tanah Merah is relatively calm, with an average annual wind speed of 9km/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 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 11km/h in winter, 10km/h in spring, 7km/h in summer, 8km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Tanah Merah, which began on March 20, 2026. Tanah Merah 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 34°C, while the coldest stretch bottoms out in February near 22°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 23 to 34°C. Rainfall is heavy, totalling around 428mm across the season with a monthly average of 143mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 33°C. Rainfall is heavy, totalling around 657mm across the season with a monthly average of 219mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 24 to 32°C. Rainfall is heavy, totalling around 1039mm across the season with a monthly average of 346mm. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 765mm across the season with a monthly average of 255mm. Winds are generally light, averaging 11km/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 Tanah Merah 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.
