If time and days are constraints then go for a trek to Neelkanth in Rishikesh. This trip is purely a nature bliss. Mesmerizing views of lush green forest of Himalaya adjoined by pure blue skies by the effect of Monsoon with drizzling. Perfect for solo trip.
Manali, Rohtang Pass, Leh Ladakh. best options to get rid of Delhi's heat. If you're looking for some fun activities then you can go to Rishikesh, Haridwar. Enjoy evening Arti and do some crazy activities in Rishikesh.
Monsoon Destinations Around Delhi – Within 200 to 500 Kms These are the places to visit near Delhi within 200 kms, during monsoon: Agra – 210 KM
Corbett National Park – 230 KM
Lansdowne – 254 KM
Morni Hills – 272 KM
Parwanoo – 281 KM
Mussoorie – 286 KM
Kasauli – 298 KM
Mandawa – 233 KM
Kangojodi – 276 KM
Landour – 302 KM
Pragpur – 412 KM
Shoghi – 331 KM
Almora – 363 KM
Bundi – 485 KM
Orchha – 498 KM
Dear fellow traveler, for you Lansdowne is perfect place to visit in July. This is the best time enjoy the rich flora-fauna and the serene beauty around this Garhwali town of Lansdone. This place is just 255 kms from New Delhi and it takes almost 6 hours to reach. Nestled in the lap of the Shivalik Ranges of lower Himalayas, Lansdowne is known for it's scenic beauty, weather and peaceful surroundings. This is the best hilly town to visit during Monsoon, during the rains the town became more beautiful and scenic. Here you can also do activities like trekking and camping.
For complete details about Lansdowne check the link below.
https://www.tripoto.com/trip/lansdowne