Visiting local bars in Zamboanga is more fun in good weather. These rainfall averages and temperatures can help you decide the best time for bar hopping. The hottest months are usually April and May with an average temp of 82°F, while the coldest months are February and January with an average of 81°F. The rainiest months in Zamboanga are June, October, May, and July, with each month seeing an average of 15 inches of rainfall.