| SUBARCTIC | Concerning the region adjacent to the coldest in the northern hemisphere (9) |
| NETHER | Lower or upper regions adjacent to Pole |
| RETRACT | Unsay that said concerning the region (7) |
| ICIER | It's coldest in Edinburgh - recently, initially frostier (5) |
| CHILLIEST | The sick one in the chest is the coldest (9) |
| LAURASIAN | Pertaining to a landmass thought to have existed in the northern hemisphere, which subsequently split into four components (9) |
| NORTHPOLE | The point in the northern hemisphere where the Earth's axis of rotation meets the Earth's surface (5,4) (5,4) |
| AUSTRALIA | Nation known as the land down under (to those in the northern hemisphere) |
| COASTLINE | LAND ADJACENT TO THE SEA (9) |
| ALONGSIDE | Adjacent to the hypotenuse? (9) |
| ANDROMEDA | Constellation in the northern hemisphere between Cassiopeia and Pegasus (9) |
| ANTARCTIC | Containing around 90 per cent of all of the ice on Earth, the coldest, driest, windiest, southern-most continent (9) |
| MIDWINTER | NT, in the coldest period (9) |
| URSAMAJOR | An extensive, conspicuous constellation in the northern hemisphere (4,5) |
| URSAMINOR | Constellation in the northern hemisphere (4,5) |
| OCTOBER | From the Latin meaning "eight" due to its former position in the Roman calendar, the second month of autumn in the northern hemisphere, birthstone opal (7) |
| PIGEONS | These birds (about 250 known species) occur worldwide except in the coldest regions and the most remote islands. They all strut about with a characteristic bobbing of the head. In The Merchant of Veni |
| RAWALPINDI | City in the Punjab province of Pakistan, adjacent to the country's capital Islamabad (10) |
| SANDIEGO | Port city in California, on the Pacific Ocean, adjacent to the Mexico-us border (3,5) |
| MUSSELS | Bivalve molluscs found in clusters attached to rocks around the Atlantic coasts in the northern hemisphere and the Mediterranean (7) |
