Weather is probably a major factor when you plan your trip to Nachingwea, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually December and November with an average temp of 81°F, while the coldest months are July and August with an average of 76°F. The rainiest months in Nachingwea are March, January, February, and April, with each month seeing an average of 9 inches of rainfall.