Climate Insights for Luwuk

The climate in Luwuk is warm and mild. The average annual temperature is 25°C and approximately 1989mm of precipitation falls per year. Luwuk receives a notable amount of rainfall throughout the year, including during its driest month. Luwuk sits near the equator, so seasonal temperature differences are minimal throughout the year.

Luwuk has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is November, when average highs reach 29°C and the mean temperature sits around 26°C. August is the coolest month, with minimum temperatures around 22°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.

Luwuk is a fairly wet location, receiving approximately 1989mm of precipitation annually, which averages out to around 166mm per month. The wettest month is May, averaging 275mm of rainfall. April and June also tend to see above-average precipitation. The driest month is October, with just 84mm. That's 191mm less than May, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Luwuk is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 7km/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 13km/h in winter, 11km/h in spring, 9km/h in summer, 9km/h in autumn.

It is currently autumn in Luwuk, which began on March 20, 2026. Luwuk sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in November at around 29°C, while the coldest stretch bottoms out in August near 22°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Luwuk is during August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 92mm per month. By contrast, November can be uncomfortably hot with temperatures reaching 29°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Luwuk 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.