Climate Insights for Pekanbaru

The climate in Pekanbaru is cool. The average annual temperature is 6°C and approximately 27mm of precipitation falls per year. September is the wettest month, receiving around 7mm of rainfall. Pekanbaru sits near the equator, so seasonal temperature differences are minimal throughout the year. Light snow can occur between September and December.

Pekanbaru sees moderate temperature variation throughout the year, ranging from 0°C to 15°C. March is the warmest month, though highs remain moderate at 15°C with a mean of 12°C. The coldest month is December, when overnight lows fall to 0°C and the daily average is 0°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between January and February, with a 5°C shift in average temperatures.

Pekanbaru is a quite dry location, receiving approximately 27mm of precipitation annually, which averages out to around 2mm per month. The wettest month is September, averaging 7mm of rainfall. October and December also tend to see above-average precipitation. The driest month is February, with just 0mm. 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. Light snowfall can occur between September and December, totalling around 15cm annually. September is the snowiest month with approximately 5cm.

Pekanbaru is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, 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 5km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

It is currently summer in Pekanbaru, which began on June 21, 2026. Pekanbaru sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in March at around 15°C, while the coldest stretch bottoms out in December near 0°C. Autumn is next, beginning on September 23, 2026 — 16 days from now.

The table below shows monthly climate averages for Pekanbaru 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.