Tacheng's climate is harsh and varied, with winters being particularly cold. Temperatures can drop as low as -33°C in January, but rise slightly by February to -23°C. As spring approaches, temperatures gradually warm up, reaching averages around 11°C in April and 19°C in May. Summers are mild to hot, with July often seeing highs of 39°C. Autumn brings a return to cooler temperatures, ranging from -7°C to 21°C in October before the winter chill sets back in.