Climate Insights for Sungai Besar

The climate in Sungai Besar is warm and mild. The average annual temperature is 24°C and approximately 251mm of precipitation falls per year. October is the wettest month, receiving around 33mm of rainfall. Sungai Besar sits near the equator, so seasonal temperature differences are minimal throughout the year.

Sungai Besar has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 25°C. May is the coolest month, with minimum temperatures around 21°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.

Sungai Besar is a quite dry location, receiving approximately 251mm of precipitation annually, which averages out to around 21mm per month. The wettest month is May, averaging 33mm of rainfall. June and July also tend to see above-average precipitation. The driest month is March, with just 3mm. That's 30mm less than May, 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.

Sungai Besar is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 5km/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 4km/h in winter, 4km/h in spring, 1km/h in summer, 5km/h in autumn.

It is currently summer in Sungai Besar, which began on June 21, 2026. Sungai Besar sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in August at around 31°C, while the coldest stretch bottoms out in May near 21°C. Autumn is next, beginning on September 23, 2026 — 16 days from now.

The best time to visit Sungai Besar is during January, February, March, April, May and June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 15mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 31°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Sungai Besar 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.