The climate of Hohhot is continental with four distinct seasons and significant temperature spreads between day and night. The average annual temperature is 6C (42.8F). Winter in Hohhot is cold and long with an average temperature of -10C (14F). Leather coats and boots are necessary.

The best time to visit Hohhot is from April to October, while the best time to go to the grassland is from middle July to early September when the temperature is 15C(59F) to 25C(77F). Also, the famous Nadam Fair is held during July or August. This traditional festival occupies an important place in the life of Mongolian people. Nadam means "entertainment" or "game" in Mongolian. Horse racing, wrestling, and archery are called men's three skills. Tasting savory milk tea, listening to melodious music from horse-head string instruments, living in gers and watching stars will bring you back to nomadic times. Nadam Fair is also the trade fair for farm products, such as mutton, beef, cheese, butter, and yogurt. However, remember to bring a coat or jacket even in summer since the temperature drops dramatically in the evening.