Climate Insights for Tanah Merah

The climate in Tanah Merah is hot. The average annual temperature is 27°C and approximately 306mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Tanah Merah sits near the equator, so seasonal temperature differences are minimal throughout the year.

Tanah Merah sees moderate temperature variation throughout the year, ranging from 21°C to 32°C. The warmest month is September, when average highs reach 32°C and the mean temperature sits around 31°C. June is the coolest month, with minimum temperatures around 21°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures.

Tanah Merah is a quite dry location, receiving approximately 306mm of precipitation annually, which averages out to around 25mm per month. The wettest month is January, averaging 33mm of rainfall. February and March also tend to see above-average precipitation. The driest month is September, with just 0mm. That's 33mm less than January, 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.

Tanah Merah is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 12km/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 5km/h in winter, 3km/h in spring, 3km/h in summer, 11km/h in autumn.

It is currently summer in Tanah Merah, which began on June 21, 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 September at around 32°C, while the coldest stretch bottoms out in June near 21°C. Autumn is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Tanah Merah is during June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 33mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 32°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

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.