If you’re hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Fort Portal: The hottest months are usually February and January, with an average temperature of 23°C, while the coldest months are June and November, with an average of 22°C. The rainiest months in Fort Portal are April, May, October and November, with each month seeing an average of 186 mm of rainfall.