What not to wear : As much as possible avoid wearing full lenght pants or long sleeved shirts/t-shirts (unless you are not going to your office or a formal place like that, in which case u don't have much option) chances of you ending up with muddy or soggy hems which will irritate you the whole day.
What to wear : Instead u can opt for shorts, 3/4th pants, half sleeved t-shirts, skirts etc.