Taigu has a dry and hot summer climate. Why?

Taigu belongs to temperate continental monsoon climate. In summer, the sun is high and the days are long. The ground receives more solar radiation and the climate is higher. Taigu is far away from the ocean, and it is less affected by ocean water vapor and less precipitation in summer. Therefore, there are more hot and dry weather in Taigu in summer.

The average annual temperature in Taigu County is generally between 5- 10'℃. The temperature in Houshan area is about 5~7℃. Hirakawa and

The hilly area is at 7- 10℃. The annual average temperature difference is about 6℃. 65438+ 10 is the coldest month with an average temperature of -6.2℃. July is the hottest, with an average temperature of 23.6℃. Among the four seasons, the temperature in spring is higher than that in autumn. Generally, it starts from the middle of 10.

The minimum temperature dropped below 0℃ on the first day of the tenth day, and rose above 0℃ in mid-April of the following year. The average temperature is less than 10℃, and the interval is 177 days, so there is a proverb that "Taigu County freezes to death".

Compared with the temperature, the annual average temperature is 65438 03℃, which is 3% higher. 0 higher than the temperature. 5℃. In June 5438+10/October, the average ground temperature was -6.5℃, which was not much different from the temperature. The average ground temperature in June was 29.6℃, which was 5.9℃ higher than the air temperature.

The seasonal distribution of precipitation is uneven. According to the data analysis of 1960- 1985, the average annual precipitation is about

About 458 mm The rainy year is 621mm (1971) and the rainy year is 25 1.6mm (1985). The average annual precipitation in the southeastern mountainous areas is more than 500 mm, and in the northwest Pingchuan and hilly areas.

450-500 mm, under the same terrain conditions, the Pingchuan and hilly areas in the northeast are less than those in the northwest, and the annual average precipitation is below 450 mm, and the distribution of precipitation in the year is also quite different. June-August is the annual precipitation.

The richest season. 12-February is the period with the least annual precipitation.