Great hot weather will be there near costel area. Should go after rainny season. I went in Last Dec that time great pleasant weather. Places you can visit - Basilica of sacred Heart of Jesus Church, Auroville, Matrimandir,
Rock Side beach, Promenade Beach.
Must visit French colonyfor superb photography.
Hot and humid October and February. It is during this time when the climate is comparatively cooler and also perfect for sightseeing, beach fun and water sports.
It's June so you'll he covered with sun. it will be too hot. however, best thing to visit there is Auroville. you can get a very nice accommodation there including Meditation and Yoga (There's a package online)
It's an amazing place to be in.
Promenade Beach – Enjoy A Beautiful Sunrise
Paradise Beach Island – Take A Boat Ride
Ousteri Lake – Birdwatching
Temple Adventures Centre – Scuba Diving
Paradise Beach And Karaikal Beach – Water Activities
Green Quarter – Sightseeing In Pondicherry On Two Wheels
Goubert Avenue – Walk Along The Seafront
Serenity Beach – Take Surfing Lessons
The Lighthouse – Pamper Your Taste Buds
Asta – Drink, Dine, Dance And Repeat
Geethanjali – Try Some Retail Therapy
Sri Aurobindo Ashram – Find Inner Peace
Sita Cultural Centre – Attend Recreational Classes
Churches – Seek Blessings
Auroville – Spend A Day
Zero House – Enjoy The Nightlife
White Town – Heritage Walk
Chunnambar Boat House – Houseboat Ride
Though June is extremely hot, I have visited Pondy in June. You can check my trip for details. Must visit -
1. Promenade beach (its a rock beach) - Evenings or early mornings
2. Auroville
3. Aurobindo Ashram 4. Paradise beach
5. MG road for shopping - Hidesign outlet store, Casablanca
6. Famous eateries like Xtasi for wood-fired large size pizzas, bakers street for french baked items