I have 3-4 weeks in December - January this year to take an independent cycle tour. Given that I don't want to ride in the extreme cold, I think my options are central-south India, Thailand/Malaysia/Indonesia/Vietnam, Southern Africa or somewhere below Mexico. But, I have not found a ride that sounds terribly exciting/worthwhile. The Himalayas would be great, but too cold. Central Argentina-Chile looks good, but I've heard that the roads are no picnic and some have been disappointed.

Some of my other constraints are that I want to be able to end up in a relatively fun and lively tourist type place where I can relax completely for 4-5 days with other independent tourists.

I guess right now I'm thinking India, down to the south or to Goa. But I don't know if there are any well known loops or routes.

Can someone provide some ideas?