| Answer | Crossword Clue |
|---|---|
| COLDSNAP | Period of frigid temperatures |
| MERCURYDROPPING | Feature of increasingly frigid temperatures |
| TEENS | Frigid temperatures |
| NEGATIVENUMBERS | Some frigid temperatures, e.g. |
| WARMSPELL | Period of higher-than-average temperatures |
| ICEAGE | Frigid period |
| ICEAGE | Frigid historic period |
