| bilabial | labio-velar | labio-dental | dental | alveolar | postalveolar | palatal | velar | uvular | glottal | |
| stop | p, pʰ | t, tʰ | k, kʰ | |||||||
| trill | r, r̥ | |||||||||
| fricative | f, v | θ, ð | s, z | ʃ | χ | h | ||||
| affricate | tʃ, dʒ | |||||||||
| lateral fricative | ɬ | |||||||||
| nasal | m, m̥ | n, n̥ | ŋ, ŋ̥ | |||||||
| approximant | w | j | ||||||||
| lateral approximant | l |
| front | central | back | |
| near-close | ɪ | ʊ | |
| mid | ə | ||
| open-mid | ɛ | ɔ | |
| open | a |
| front | back | |
| close | iː | uː |
| close-mid | eː | oː |
| open | ɑː |
/ai/, /ɔi/, /ʊi/, /əi/, /ɪu/, /ɛu/, /au/, /əu/
Source: Jones, Glyn E. 1984. The Distinctive Vowels and Consonants of Welsh. Welsh Phonology: Selected Readings, edited by Martin J. Ball and Glyn E. Jones. Cardiff, University of Wales Press.
Contributed by: Anton Kukhto (kukhto@mit.edu)