Planning for the weather is an important factor for making your trip to Pekalongan a success, especially when you’re splurging. The hottest months are usually October and May, with an average temperature of 28°C, while the coldest months are August and July, with an average of 27°C. The rainiest months in Pekalongan are February, January, December and March, with each month seeing an average of 453 mm of rainfall.