When will the climate in Jilin be warm?

It is usually April or May ~, and the weather changes in Jilin during the four seasons are as follows:

Changchun has a pleasant climate and is known as the "Spring City in the North". The temperature in winter is 2-3 degrees higher than that in the same latitude and 3-5 degrees lower than that in summer. No matter from Harbin to the south or from Shenyang to the north, you will feel the subtle changes in temperature. There is no dry and cold in winter and no hot summer in Changchun, so Changchun is a veritable "spring city".

Changchun City is located in the hinterland of Songliao Plain in the northeast of China, with an altitude of 250-350 meters and a flat and open terrain. It belongs to the continental monsoon climate zone, and it is in the transition zone from humid area to sub-arid area in the national dry and wet climate zoning. The temperature rises from east to west, and the precipitation decreases from east to west. Spring is dry and windy, summer is wet and rainy, autumn is crisp, and winter is cold and long. It has four distinct seasons, the same season of rain and heat, and moderate humidity, which provides a good climate environment for human development and utilization of nature.

Due to the coordination of geographical location, topographic structure and atmospheric circulation, it has the following basic characteristics: four distinct seasons. Spring is short, dry and windy; Summer is warm and rainy, and there is not much hot weather; It is cool in autumn, and the temperature difference between day and night is large; Winter is long and cold.

Monsoon is remarkable, rain and heat are in the same season. In winter, under the control of strong Mongolian high pressure, the climate is cold and dry. In summer, the western Pacific subtropical high often meets the cold air moving southeast of Lake Baikal, and the precipitation is rich and concentrated.

The climate is continental, with a large temperature difference throughout the year. The temperature in winter is lower than that in the same latitude area, but higher than that in summer. The climate changes from east to west, with moderate heat and humidity. Changchun is located in the transition zone from the eastern mountainous area of Jilin Province to the Songnen Plain in the west, so it has the characteristics of the transition from humid climate in the eastern mountainous area to semi-arid climate in the west. The transitional climate makes Changchun have abundant sunshine, better heat conditions than the east and better rain conditions than the west, which provides good climatic conditions for agricultural production.

The annual average temperature in Changchun is 4.8℃, the highest temperature is 39.5℃, the lowest temperature is -39.8℃, and the sunshine time is 2688 hours. Southeast winds prevail in summer, and there is moisture supplemented by Bohai Sea. The annual average precipitation is 522 ~ 6 15mm, and the summer precipitation accounts for more than 60% of the annual precipitation. The average temperature in the hottest month (July) is 23℃. Autumn can form sunny and warm weather for several days, with large temperature difference and lower wind speed than spring.