Phitsanulok province is located approximately between
16ºN, 101ºE. The region is about 44 m. above
sea level and has average temperatures of
26.4, 30.5 and 27.4ºC in the cold season
(November-February), hot season (March-
2 May) and rainy season (June-October),
respectively. The average annual rainfall is
about 1400.8 mm.