1. It is a good time to visit Sagada during weekdays in the months of July, August and September. You would be avoiding the tourist crowds.
2. It is a good time to visit Sagada when city life gets you all stressed out.
3. It is a good time to visit Sagada from December to June, when the sunsets and sunrises are worth seeing. Nights are great, too, whether its moonlight or starlight.