Hi Yash, Uttarakhand right now doesn't look good because of the rains. Mainly because of the frequent landslides and road blocks, the roads are more prone to accidents these days. So I suggest you to wait for a couple of weeks, when the rains subside and the autumn colors bloom, it will be a perfect time for a trek. First week of September could be ideal for you.
I read that August is the most delightful season to visit it. But yeah I guess, it will be a rough route this time. Umm.. if you can suggest me any other destination for a 5 day trip?
Yes its always a little risky in rains but the view you get in rainy season is just awesome and worth taking risk. Dont forget to take all things of safety.
The valley of flowers is a monsoon trek. The best time to visit Valley of flowers is from mid July to mid August, when the flowers are in full bloom after the first monsoon rain. But I advise you to aware about routes and weather forecast as it is monsoon time.