Topographical and Hydrological Features
The terrain of the province is characterized by mountain ranges, intermittent valleys and elongated plateaus with rolling prairie lands along the coastal regions. The entire coast of the province boasts of a rich fishing ground, but its main asset is its broad stretch of fertile land. The province has two principal rivers, namely, Bugsanga and Lumitao.
In 2006, almost 432 thousand hectares or 73.47 percent of the total land area of the province (588 thousand hectares) were forest lands, while 26.53 percent were certified alienable and disposable lands. Of the total forest lands, 192.8 thousand hectares or 44.63 percent were national parks, game refuge, and bird sanctuaries and wilderness areas; 91.2 thousand hectares or 21.13 percent were established forest reserve; 23.47 percent were established timberland; 4.53 percent were allotted to civil registration, fishponds, and military and naval reservations. The remaining 6.24 percent were classified forest land.
Occidental Mindoro has many types of soil varying from clay loam to beach sand.
Records on climatological normals from 1995 to 2000 showed that the province has, on the average, 127 rainy days a year and a total rainfall of 2,354.8 millimeters. July and August both had the most number of rainy days with 21 days, while February had one recorded rainy day. Rainfall was unevenly distributed throughout those years, ranging from 5.3 millimeters in January to 482.1 millimeters in July.
Yearly mean temperature was 28.0°C. The coldest months in those years were both January and February with a minimum temperature of 22.6°C and the hottest month was April with a maximum temperature of 34.6°C.
Mean sea level pressure is 1,009.0 millibars annually. Prevailing wind is directed east with a speed of 3 miles per second.