On average across the year, yes, Senegal is hotter than Armenia . Senegal has an average temperature of 29°C/84°F and Armenia has an average temperature of 10°C/50°F.
Senegal's hottest month is May, with an average maximum temperature of 38°C/100°F, which is hotter than Armenia's hottest month (July, with an average maximum temperature of 29°C/84°F).
On average across the year, no, Senegal is not colder than Armenia . Senegal has an average minimum temperature of 22°C/72°F and Armenia has an average minimum temperature of 4°C/39°F.
Senegal's coldest month is January, with an average minimum temperature of 18°C/64°F, which is not colder than Armenia's coldest month (also January, with an average minimum temperature of -7°C/19°F).
On average across the year, no, Senegal has less rain than Armenia. Senegal has an average annual rainfall of 485mm and Armenia has an average annual rainfall of 916mm.
Senegal's wettest month is August, with an average monthly rainfall of 173mm, which is wetter than Armenia's wettest month (March, with an average monthly rainfall of 110mm).