Climate Insights for Kupang

The climate in Kupang is hot. The average annual temperature is 28°C and approximately 1364mm of precipitation falls per year. January is the wettest month, receiving around 297mm of rainfall. Kupang is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: October, November, September. The coldest months are August, July, September, when temperatures can drop to 23°C.

Kupang sees moderate temperature variation throughout the year, ranging from 23°C to 34°C. The warmest month is October, when average highs reach 34°C and the mean temperature sits around 29°C. August is the coolest month, with minimum temperatures around 23°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.

Kupang is a fairly wet location, receiving approximately 1364mm of precipitation annually, which averages out to around 114mm per month. The wettest month is January, averaging 297mm of rainfall. February and December also tend to see above-average precipitation. The driest month is August, with just 2mm. That's 296mm 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.

Kupang is mildly breezy, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 10km/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 17km/h in winter, 10km/h in spring, 10km/h in summer, 11km/h in autumn.

It is currently winter in Kupang, which began on June 21, 2026. Kupang is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in October at around 34°C, while the coldest stretch bottoms out in August near 23°C. Spring is next, beginning on September 23, 2026 (3 days from now).

The table below shows monthly climate averages for Kupang 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.