Hi Mohita! While Coorg and Chickmagalur will offer lush greens and scenic beauty, in Gokarna you can enjoy the serenity of beaches in the pleasant weather. The temperature in Coorg and Chickmagalur is around 15 degrees Celsius while in Gokarna, it is a warm 34 degrees. Depending upon what you're looking for in your vacation and what kind of climate you enjoy, you will be able to choose. Here are some trips you can check out for more details, which might help you make your decision. Happy Travelling!
You can visit all three places depending upon whether you want to go for beach or muntains. i just visited coorg but i feel north india has way better scenic views and coorg is a bit overrated
All 3 are good to visit. I just returned back on 1st Jan covering all these 3 places. I would prefer Gokarna as first option, second will be coorg as it has lot to see and the climate
Chikmagalur is also good with nice greenery, cool climate and the coffee cherries ready for harvest. The coffee estates look beautiful full of red coffee cherries