| Gilly-sur-Isère | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Gilly sur Isère.png |
| Arrondissement: | Chambéry |
| Canton: | Albertville-2 |
| Insee: | 73124 |
| Postal Code: | 73200 |
| Mayor: | Pierre Loubet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Arlysère |
| Coordinates: | 45.6606°N 6.35°W |
| Elevation Min M: | 318 |
| Elevation Max M: | 444 |
| Area Km2: | 7.03 |
| Website: | www.gilly.fr |
Gilly-sur-Isère (pronounced as /fr/, literally Gilly on Isère; frp|Zèlyé) is a commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France.
Gilly-sur-Isere is situated at the edge of Albertville to the bottom of the Combe de Savoie where you can access the valleys of Maurienne and Tarentaise and the valley of Arly and Beaufortain.
Gilly-sur-Isère has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Gilly-sur-Isère 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 Gilly-sur-Isère was on 13 August 2003; the coldest temperature ever recorded was on 6 January 1985.