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.
Beer Lao Brewery Co (LBC), located on the outskirts of Vientiane, produces the very drinkable Bia Lao, the Romanized name for which is 'Beerlao' (sometimes , spelt 'Beer Lao'). A draught version (bia sot: fresh beer) is so far available only in bars in Vientiane, and like all Beerlao contains 5% alcohol.