Planning for the weather is a good way to make your trip to Ngawi relaxing and enjoyable, especially when you're splurging. The hottest months are usually October and September, with an average temperature of 27°C, while the coldest months are July and August, with an average of 26°C. The rainiest months in Ngawi are February, March, December and January, with each month seeing an average of 399 mm of rainfall.