This festival generally takes place in the month of Several times a year
The best months to come to Prachuap Khiri Khan are from December to April but even during the monsoon, precipitation here remains fairly moderate except for a few isolated episodes with possible flash floods. October is the only month when coming here is maybe not recommended.
We are one week away from Chinese New Year (January 25th, 2020) and despite a lot of mail and detailed information requests from various Tourist Offices in several cities, I unfortunately did not get all the details that I would have liked...