Winters in Ulaanbaatar are harsh and cold, with temperatures often dropping below -40°C in January and February. Temperatures gradually rise in March, but still remain quite chilly, with the average daily high temperature around 0°C. Spring arrives in April, bringing mild temperatures ranging from -16°C to 21°C, and May is usually warm, with temperatures sometimes reaching up to 27°C. Summer months of June, July, and August are characterized by moderate temperatures, rarely exceeding 33°C, while autumn brings a return to cooler weather, with temperatures fluctuating between -8°C and 15°C in September and October. Winters then return, with December being the coldest month, averaging around -20°C.