Weather is probably a major factor when you plan your trip to Sari Harjo, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually October and May, with an average temperature of 26°C, while the coldest months are August and July, with an average of 25°C. The rainiest months in Sari Harjo are November, December, February and January, with each month seeing an average of 409 mm of rainfall.