| AIRMASSES | Volume of air defined by its temperature and water vapour content (3,6) |
| CLIMATE | Does that of opinion have its temperature and rainfall? (7) |
| HUMID | (Of atmosphere) with high water vapour content |
| SODALIME | White granular mixture of calcium hydroxide and sodium hydroxide that absorbs carbon dioxide and water vapour (4,4) |
| STOMATA | Stem through which gases and water vapour can pass |
| FROST | Thin layer of tiny ice crystals forming on an object when its temperature falls below freezing (5) |
| TOE | Body part dipped in a pool to test its temperature |
| CAPRI | Island off the west of the Sorrento Peninsula with a landscape defined by its faraglioni, Grotta Azzurra and abundance of wisteria and bougainvillea (5) |
| THEARCTIC | Region's temperature and ice chart changing (3,6) |
| FANTASTIC | Served between cool temperature and cold, sparkling wine's superb |
| NORTHPOLE | No responsibility to restrict temperature and high pressure in elves' workplace |
| STAIRWELL | Get higher, restricting temperature and atmosphere in flight area |
| HEATINDEX | "Feels like" figure that combines temperature and humidity |
| COLDFRONT | Harbinger of lower temperatures, and a hint to the answers to starred clues |
| CATCHCOLD | Overhear temperature and get ill (5,4) |
| NITROGEN | Gaseous element that forms 78%, by volume, of air (8) |
| OXHEART | A variety of vegetable or fruit (especially cherry, tomato) defined by its shape (7) |
| JETAGE | Era defined by its revolutionary mode of travel |
| ULLAGE | Volume of air in a container mainly holding liquid |
| TURBULENCE | Irregular movements of large volumes of air that can disturb a plane's flight (10) |
