What's the weather like in Jinan during Spring Festival?

There is still no weather forecast during the Spring Festival this year. According to the weather situation in previous years, there will be a moderate-intensity cold air impact during the Spring Festival. Most of the weather is sunny. From New Year's Eve to the first day of junior high school, the temperature is still low due to the cold air before the holiday. The temperature rises obviously from the second day to the third day, and drops due to the influence of cold air from the fourth day to the sixth day.