| Gometz-le-Châtel | |
| Commune Status: | Commune |
| Coordinates: | 48.6781°N 2.1379°W |
| Arrondissement: | Palaiseau |
| Canton: | Les Ulis |
| Image Coat Of Arms: | Blason ville fr Gometz-le-Châtel (Essonne).svg |
| Image Logo: | Logo commune de Gometz-le-Châtel.svg --> |
| Insee: | 91275 |
| Postal Code: | 91940 |
| Intercommunality: | CA Paris-Saclay |
| Area Km2: | 5.06 |
| Elevation Min M: | 83 |
| Elevation Max M: | 169 |
| Mayor: | Lucie Sellem[1] |
| Term: | 2020 - 2026 |
Gometz-le-Châtel (in French pronounced as /ɡɔmɛs lə ʃɑtɛl/) is a commune in the Essonne department of France. It is a southern suburb of Paris, 25 km from the center of Paris.
This village is near Les Ulis, Bures-sur-Yvette, Gif-sur-Yvette and Gometz-la-Ville, along the old road from Paris to Chartres, crossing the Hurepoix.
Gometz-le-Châtel has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Gometz-le-Châtel is . The average annual rainfall is with December as the wettest month. The temperatures are highest on average in July, at around, and lowest in January, at around . The highest temperature ever recorded in Gometz-le-Châtel was on 25 July 2019; the coldest temperature ever recorded was on 16 January 1985.
Inhabitants of Gometz-le-Châtel are called Castelgometziens in French.