On average across the year, no, Turkmenistan is not hotter than Lebanon . Turkmenistan has an average temperature of 17°C/63°F and Lebanon has an average temperature of 19°C/66°F.
Turkmenistan's hottest month is July, with an average maximum temperature of 39°C/102°F, which is hotter than Lebanon's hottest month (August, with an average maximum temperature of 34°C/93°F).
On average across the year, yes, Turkmenistan is colder than Lebanon . Turkmenistan has an average minimum temperature of 10°C/50°F and Lebanon has an average minimum temperature of 13°C/55°F.
Turkmenistan's coldest month is January, with an average minimum temperature of -2°C/28°F, which is colder than Lebanon's coldest month (also January, with an average minimum temperature of 6°C/43°F).
On average across the year, no, Turkmenistan has less rain than Lebanon. Turkmenistan has an average annual rainfall of 89mm and Lebanon has an average annual rainfall of 529mm.
Turkmenistan's wettest month is March, with an average monthly rainfall of 18mm, which is drier than Lebanon's wettest month (January, with an average monthly rainfall of 131mm).