Visiting local bars in Popa is more fun in good weather. These rainfall averages and temperatures can help you choose the best time for bar hopping. The hottest months are usually April and May with an average temp of 87°F, while the coldest months are January and December with an average of 75°F. The rainiest months in Popa are September, August, October, and July, with each month seeing an average of 8 inches of rainfall.