In terms of weather summer is the longest season in Azerbaijan. It is hot and dry. Average temperature of June in lowlands is about 27 °C (81 °F) with slightly cooler coastal areas. Occasionally hot tropical air masses bring heat up to 35 °C (95 °F). Such leaps are especially frequent in plain portion of Nakchivan autonomous region. August is slightly cooler by 2 to 3 °C (≈5 °F).
However average summer temperature depends on altitude too. For example at 2000 m (6500 ft.) a.s.l it will be 15 °C (59 °F) and at 3000 m (9800 ft.) a.s.l it is even lower about 10 °C (50 °F). Altitude zonality as it is.
| June | July | August |
|---|---|---|
| Max average t°: +27 °C (81 °F) | Max average t°: +31 °C (87 °F) | Max average t°: +30 °C (86 °F) |
| Min average t°: +19 °C (66 °F) | Min average t°: +22 °C (72 °F) | Min average t°: +22.5 °C (73 °F) |
| Water t°: +23.5 °C (74 °F) | Water t°: +26 °C (79 °F) | Water t°: +27 °C (81 °F) |
| Sundial in the day: 14 hours | Sundial in the day: 13.5 hours | Sundial in the day: 13 hours |
| Rainy days: 0 days | Rainy days: 0 days | Rainy days: 0 days |
| Precipitation: 5.5 mm (0.2") | Precipitation: 5 mm (0.2") | Precipitation: 3 mm (0.1") |
