| Plouguenast-Langast | |
| Commune Status: | Commune |
| Coordinates: | 48.2822°N -2.7031°W |
| Insee: | 22219 |
| Postal Code: | 22150 |
| Arrondissement: | Saint-Brieuc |
| Canton: | Guerlédan |
| Mayor: | Yvon Le Jan[1] |
| Term: | 2021 - 2026 |
| Intercommunality: | Loudéac Communauté - Bretagne Centre |
| Elevation Min M: | 104 |
| Elevation Max M: | 253 |
| Area Km2: | 55.57 |
Plouguenast-Langast (pronounced as /fr/; br|Plougonwaz-Lanwal) is a commune in the Côtes-d'Armor department of Brittany in northwestern France. It was established on 1 January 2019 by merger of the former communes of Plouguenast (the seat) and Langast.[2]
Plouguenast-Langast has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Plouguenast-Langast is . The average annual rainfall is with January as the wettest month. The temperatures are highest on average in August, at around, and lowest in January, at around . The highest temperature ever recorded in Plouguenast-Langast was on 9 August 2003; the coldest temperature ever recorded was on 2 January 1997.