Klimas is a surname that is pronounced /'klaɪməs/. The initial "k" is pronounced as the voiceless velar plosive /k/, followed by the diphthong "ai" pronounced as /aɪ/. The letter "m" is pronounced as the voiced bilabial nasal /m/, while the final syllable "as" is pronounced as a schwa sound /əz/. Therefore, the spelling of the word "klimas" is justified by its IPA phonetic transcription, reflecting its pronunciation with accuracy.