In June, the weather in Ulan-Ude is typically warm. Average daily high temperature in June is about 21 degrees above zero. On average, Ulan-Ude has 15 partly cloudy, 11 sunny, 3 rainy, and 1 cloudy day in June. The rains are usually light. June as well as July is considered the most comfortable time to visit Ulan-Ude.