ðə hˈaɪɪst tˈɛmpɹɪtʃɚɹ ˈɛvɚ ɹᵻkˈoːɹdᵻd ɪn ˈaɪl də sˈeɪn wʌz ˌɔn ɪlˈɛvən dʒuːlˈaɪ nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi θɹˈiː; ðə kˈoʊldɪst tˈɛmpɹɪtʃɚɹ ˈɛvɚ ɹᵻkˈoːɹdᵻd wʌz ˌɔn θˈɜːtiːn dʒˈænjuːˌɛɹi nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi sˈɛvən.
The highest temperature ever recorded in Île de Sein was  on 11 July 1983; the coldest temperature ever recorded was  on 13 January 1987.