Weather is probably a major factor when you plan your trip to Grogol, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually October and September, with an average temperature of 26°C, while the coldest months are August and September, with an average of 25°C. The rainiest months in Grogol are February, March, January and November, with each month seeing an average of 449 mm of rainfall.