Kullu Manali is a beautiful destination that offers different charms in all seasons. Summers witness Manali turning into an escape from the blistering heat of the plains, while winters dress the town in a graceful garb of white snow.
September to February is the monsoons draw to an end in September and winter starts setting in from October. The temperature in winter months can go down to -1 °C, so make sure you carry enough woolens to keep yourself warm, especially for the chilly nights. 
December end to January is the time when you can enjoy snowfall and the spectacular scenic white views of the surrounding mountains, making it a favorite with the honeymooners. This is the ideal time for adventure enthusiasts who want to go skiing. 
March to June is Summer steps in from March but the weather is still pleasant. The temperatures during these summer months usually vary between 10°C to 25°C, so you might still need light woollens during the night. This is the perfect time to indulge in outdoor activities such as paragliding, rafting, trekking and mountain adventures in the Solang Valley. This is also the time when the region’s flora is in full bloom lending it the most pristine natural beauty. 
July to August is Monsoons in Manali can be tricky as the region experiences heavy rainfall, which can also sometimes lead to landslides. But considering a lot of tourists don’t prefer to travel during this time, the prices of hotels tend to drop.

Trip Highlights
• Hadimba Temple -1533 Hadimba Temple, also known as Dhoongri Temple, is an ancient temple situated in Manali.
• Vashisht Hot Springs - Vashisht is a small village on the banks of Beas River, the village is famous for its hot springs and temples.
• Manu Temple - Manu temple at Manali is believed to be the only temple in India of Sage Manu (Manu Rishi).
• Rohtang Pass - 40 kms from Manali is Rohtang Pass, one that takes guests into Lahaul and Spiti valley. Rohtang Pass is open June - Sept. However tourists travel upto base of the Pass till Kothi (16 kms) and a bit beyond to enjoy snow experience that includes a bit of sliding and fun playing with snow. This area is extremely touristy in high season and often seas heavy traffic jams.
• Fun Skiing at Rohtang - Rohtang Pass is an area where guests get to feel snow and play with it almost all round the year except a few months in monsoon (July-Sept). There is fun skiing, sliding, playing with snow and a kind of touristy carnival atmosphere around during summer season. While Rohtang may be 40 kms from Manali, guests dont always go all the way up and start as soon as they reach snowline which could vary in diff season (During Winter it snows in Manali itself, not requiring guests to really head for Rohtang)
• White Water Rafting in Kullu region - Rafting is a summer activity in Beas river from Manaki to Jhiri section near Kullu. A watersports centre is setup here to facilitate rafting. The journey takes upto 2 hours consisting of rapids from grade II & III covering 14 kms.
• Manikaran Sahib - Manikaran Sahib Gurudwara is commemorates the visit of Guru Nanak Dev to this area. It is a major Pilgrim centre for Sikh pilgrims arriving from all over from North India.