It all depends on the family in which the snake you are referring to is in. There is no general time that snakes are out; there is too much variety for that.
hawks
Snakes mainly live every where exept cold places.
Other snakes, lizards, birds, rats.
Mainly toads and frogs.
Mainly, Spring or Summer, because that's when most snakes are out in the forest's and stuff mating.
Snakes are carnivores. Their diet consists solely of meat - obtained mainly from rodents or larger animals.
A mongoose and adult pythons
Snakes, lions, tigers, vultures, and mainly big carnivores.
Snakes, lions, tigers, vultures, and mainly big carnivores.
Mainly rabbits, squirrels, mice and snakes.
mainly snakes like the black adders
Yes - Coral Snakes are venomous - they feed during the day when their bodies have warmed up.