▁the ▁core ▁of ▁their ▁so cio - e conom ic ▁life . ▁ ▁Most ▁of ▁the ▁people ▁speak ▁I vat an ▁as ▁their ▁first ▁language , ▁while ▁most ▁of ▁the ▁people ▁speak ▁I loc ano , ▁Tag alog , ▁and ▁English ▁as ▁their ▁second ▁languages . ▁ ▁Cl imate ▁ ▁U y ug an ' s ▁climate ▁ranges ▁from ▁hum id ▁ocean ic ▁to ▁sub - t rop ic . ▁The ▁Philipp ine ▁Sea / P ac ific ▁Ocean ▁to ▁the ▁east ▁moder ate ▁the ▁climate — co ol ing ▁sum mers . ▁It ' s ▁col dest ▁in ▁January ▁and ▁warm est ▁in ▁May . ▁ ▁January ▁temper atures ▁average ▁. ▁May ’ s ▁average ▁temper atures ▁range ▁from ▁. ▁ ▁The ▁average ▁( mean ) ▁annual ▁air ▁temperature ▁is ▁less ▁than ▁ ▁in ▁January , ▁but ▁it ' s ▁much ▁more ▁change able ▁in ▁north - e astern ▁U y ug an ▁( Im na j bu ). ▁ ▁P reci p itation ▁is ▁heav iest ▁during ▁the ▁non - sum mer ▁months ▁brought ▁in ▁by ▁the ▁ty ph o ons ▁that ▁frequent ▁the ▁area . ▁U y ug an ' s ▁annual ▁rain ful ▁var ies , ▁but ▁is ▁highest ▁in ▁the ▁north ▁and ▁lowest ▁in ▁the ▁south . ▁The ▁heav iest ▁rain ful s ▁happen ▁in ▁a ▁bel t ▁lying ▁in land ▁from ▁Mount ▁Ch ak ar ang an ▁in ▁north - western ▁U y ug an ▁( S ong et ) ▁to ▁Mount ▁V at oh ay ao