Climate Insights for Luwuk

The climate in Luwuk is warm and mild. The average annual temperature is 25°C and approximately 2114mm 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 very wet location, receiving approximately 2114mm of precipitation annually, which averages out to around 176mm per month. The wettest month is May, averaging 293mm of rainfall. April and June also tend to see above-average precipitation. The driest month is September, with just 94mm. That's 198mm 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 7km/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 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 6km/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 10km/h in winter, 7km/h in spring, 6km/h in summer, 6km/h in autumn.

It is currently winter in Luwuk, which began on June 21, 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. Spring is next, beginning on September 23, 2026 (3 days from now).

The best time to visit Luwuk is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 94mm per month. By contrast, November can be uncomfortably hot with highs reaching 29°C, while August is the coldest period with lows dropping to 22°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.