Climate

The Climate of San Nicolas is divided into into two (2) seasons, the wet and dry season. The months of June to October are generally termed as the wet season, characterized by rainy days and occasional typhoons, while the days during the dry season of November to May are relatively hot and dry period.

Soils

There are at least six (6) types of soils in the municipality with total area of 23,481 hectares classified as:

Type                                                 
1. Annam Clay Loam (98)  

2. Umingan Silt (99)            
3. Riverwash (152)                           
4. San Manuel Fine Sandy Loam

5. Quingua Series (5)
6. San Manuel Silt Loam
  Area
17,101has. 
3,790has
867has.
171has.  
1,000has. 
114has

Soil Fertility Description

As per data from the ecological profile of Pangasinan, soil fertility of the municipality falls on I, II, and III indexes namely, Very Low Fertility, Low Fertility and Moderate Fertility, respectively. About 17,796 hectares falls on Index I (Very Low Fertility); 2,071 hectares under Index II (Low Fertility); and 3,614 hectares under Index III

Sources:
Sherwin Bartolome Soria
http://snml.weebly.com/municipality-of-san-nicolas-history.html
A Pangasinan Folio’70 : a historical document
2007 San Nicolas Town Fiesta Souvenir Program
2005 San Nicolas Town Fiesta Souvenir Program
1968 San Nicolas Town Fiesta 1968 Souvenir Program