ɪn mˈoʊst əv ðə wˈɜːld, bˈɛdɹɑːk kˈeɪvz ɑːɹ θˈɜːməli ˈɪnsəlˌeɪɾᵻd fɹʌmðə sˈɜːfɪs ænd sˌoʊ kˈɑːmənli ɐsˈuːm ɐ nˌɪɹkˈɑːnstənt tˈɛmpɹɪtʃɚɹ ɐpɹˈɑːksɪmˌeɪɾɪŋ ðɪ ˈænjuːəl ˈævɹɪdʒ tˈɛmpɹɪtʃɚɹ æt ðə sˈɜːfɪs.
In most of the world, bedrock caves are thermally insulated from the surface and so commonly assume a near-constant temperature approximating the annual average temperature at the surface.