Palawan: Known for its lush rainforests and stunning beaches, Palawan is also known for its heavy rainfall. The province experiences an annual average rainfall of around 2,000 millimeters (79 inches), with the wettest months being June to October.
Bataan: Located in the Central Luzon region, Bataan is known for its frequent rainfall due to its proximity to the Bataan Peninsula, which is exposed to the Southwest Monsoon. The province receives an average annual rainfall of around 2,500 millimeters (98 inches).
Aurora: Situated in the Central Luzon region, Aurora experiences heavy rainfall throughout the year, with an average annual rainfall of around 2,700 millimeters (106 inches). The wettest months are August and September.
Dinagat Islands: Located in the Caraga region, the Dinagat Islands experience heavy rainfall, especially during the Southwest Monsoon season (May to October). The average annual rainfall is around 2,600 millimeters (102 inches).
Surigao del Norte: Situated in the Caraga region, Surigao del Norte receives significant amounts of rainfall due to its location along the Pacific Ocean. The average annual rainfall is around 2,800 millimeters (110 inches), with the wettest months being June to January.
Eastern Samar: Located in the Eastern Visayas region, Eastern Samar is known for its abundant rainfall throughout the year. The average annual rainfall is approximately 2,900 millimeters (114 inches).
Leyte: Situated in the Eastern Visayas region, Leyte experiences frequent rainfall, especially during the Southwest Monsoon season. The average annual rainfall is around 2,500 millimeters (98 inches).
These provinces often have a tropical rainforest climate or a tropical monsoon climate, characterized by high annual precipitation and distinct wet and dry seasons. The rainfall patterns in these areas are influenced by various factors, including the country's location in the typhoon belt, the monsoon seasons, and the topography of the regions.