–33°C (–27°F) recorded in Julfa (Nakhchivan Autonomous Republic).
| Region / Location | Avg. January Temp | Notes |
|---|---|---|
| Lesser Caucasus Mtns | –10°C (14°F) | High elevation, persistent snow |
| Talysh Mountains (SE) | –5°C (23°F) | High altitude zones |
| Gusar (North) | –5°C (23°F) | Alpine climate |
| Shaki (North) | –2°C (28°F) | Mountain foothills |
| Gakh (NW) | –3°C (27°F) | Cold continental |
Baku (coastal, –28m below sea level) averages +4°C in January—dramatically milder.