General:
* மழை பெய்கிறது (mazhai peikiradhu) - This is the most common and literal translation, meaning "rain falls".
* மழை (mazhai) - This simply means "rain" and can be used as a short way to say it's raining.
Specific:
* கொட்டும் மழை (kottom mazhai) - This means "heavy rain" or "downpour".
* சாரல் மழை (saaral mazhai) - This means "drizzle" or "light rain".
* பலத்த மழை (palatha mazhai) - This means "strong rain" or "heavy rain".
Informal:
* மழை வர்றது (mazhai varradhu) - This is a more informal way to say "it's raining", literally meaning "rain is coming".
You can choose the appropriate translation based on the specific situation.