Laos has a tropical monsoon climate, with a pronounced rainy season from May through October, a cool dry season from November through February, and a hot dry season in March and April.
Water purified for drinking purposes is simply called nam deum (drinking water), whether it is boiled or filtered.
Within Laos approximately 60-70% of the population are said to be Theravada Buddhists, with the remaining population largely following Animism in the form of spirit (phii) worship.