| Montclus | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Montclus (30).svg |
| Arrondissement: | Nîmes |
| Canton: | Pont-Saint-Esprit |
| Insee: | 30175 |
| Postal Code: | 30630 |
| Mayor: | Benoit Trichot[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Gard Rhodanien |
| Coordinates: | 44.2614°N 4.4205°W |
| Elevation M: | 80 |
| Elevation Min M: | 76 |
| Elevation Max M: | 329 |
| Area Km2: | 21.88 |
Montclus is a commune in the Gard department in southern France.
Montclus has a hot-summer Mediterranean climate (Köppen climate classification Csa). The average annual temperature in Montclus is . The average annual rainfall is with November 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 Montclus was on 27 June 2019; the coldest temperature ever recorded was on 16 January 1985.