Visiting local bars in Pramuka Island is better when the weather is good. These rainfall averages and temperatures can help you choose the best time for bar-hopping. The hottest months are usually October and May, with an average temperature of 28°C, while the coldest months are July and August, with an average of 28°C. The rainiest months in Pramuka Island are February, December, January and March, with each month seeing an average of 278 mm of rainfall.