Weather is probably a major factor when you plan your trip to Sani Pass, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually January and December, with an average temperature of 16°C, while the coldest months are July and June, with an average of 8°C. The rainiest months in Sani Pass are December, January, February and November, with each month seeing an average of 181 mm of rainfall.