The climate in Uzbekistan varies depending on whether you're in a desert or mountainous region. What's more seasonal temperature variations are very wide. Winters are harsh and summertime baking. It's best, therefore, to visit Uzbekistan during spring or fall. If you're heading to the plains, April to June and September to November are clement months. However, during these very same months, frequent and heavy rainfall hits the mountainous regions. Avoid March, the rainiest month of the year.
This region is the hottest in the country In Termez, temperatures can soar as high as 60°C. On the Uzbek/Afghan border, this southern town is surrounded by sub-tropical mountains. Termez is the hottest town in the whole country Best months to go are April/May and September/October to avoid the scorching summer months...and its cold winter! Avoid March when the rainfall is heavy.
If you're heading to these areas, then April to June and August/September are the best months. It's unbearably hot in July and too cold in winter. Globally known for its Timurid architecture, the Samarkand province is a great place to explore. Bukhara, the ancient city at the end of the Silk Road, is well preserved and you'll find a wide selection of great places to stay. Classified as a UNESCO World Heritage Site, the town center is a must-see ! Avoid going in March, the rainiest month of the year.