What's the weather like in January, what's the average temperature?

It depends on whether there is a cold current and whether it is a mountainous area. Generally, the temperature is about 10 degrees in mountainous areas, and 20 degrees in flat areas. If there is a cold current in mountainous areas, it is about single digits, and in flat areas, it is about 10 degrees. Generally speaking, the temperature will not be very low.

January is a relatively cold season. The lowest temperature in mountainous areas is in the single digits. The temperature difference between morning and evening is relatively large, and it is generally above ten degrees during the day.