Not a nice place to stay around mid-day (3)
I believe the answer is:
sty
'not a nice place' is the definition.
I can't tell whether this defines the answer.
'stay around mid-day' is the wordplay.
'stay' becomes 'visit' (visit is a kind of stay).
'around' means to look at the middle letters.
'mid day' becomes 'ty' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
The middle of 'visit' is 's'.
's'+'ty'='STY'
'to' is the link.
Can you help me to learn more?
(Other definitions for sty that I've seen before include "Sore on eyelid" , "Pigs' pen" , "Piggery" , "See 15" , "Porcine pen" .)