Bukhara sits in a continental desert climate: blazing summers and cold winters with minimal precipitation year-round. Spring (April–May) and autumn (September–October) are the best times to visit. Temperatures are mild, the light is good, and the bazaars are at their liveliest as Silk Road tourist season peaks.
Summer (June–August) is punishing — daytime temperatures regularly exceed 40°C in July, and the white stone of the old city acts as a heat sink. That said, evenings cool significantly, and the Lab-i-Hauz teahouses are pleasant after dark. Bring water and start sightseeing early.
Winter is cold and quiet. Temperatures drop below freezing at night, and some smaller museums close or keep reduced hours. The monuments are often dusted with snow, which can be beautiful, and the absence of tour groups makes the old city feel genuinely atmospheric. If you're interested in Bukhara's living culture rather than just its monuments, winter is the honest season.
The Silk and Spices Festival, held each May, brings artisans, musicians, and craft demonstrations to the historic centre. It's worth planning around if you're in the region at the right time.