Why is Taigu’s climate so dry and hot in summer?
Taigu has a temperate continental monsoon climate. In summer, the sun is high, the days are long, the ground receives more solar radiation, and the climate is high. Taigu is far away from the ocean, so it is less affected by ocean water vapor and has less precipitation in summer. Therefore, Taigu has more hot and dry weather in summer.
The annual average temperature in Taigu County is generally between 5-10'℃. The temperature in Houshan District is about 5~7℃. The temperature in plains and hilly areas is between 7 and 10 degrees Celsius. The annual average temperature difference is about 6℃. January is the coldest month, with an average temperature of -6.2℃. July is the hottest month, with an average temperature of 23.6°C. Among the four seasons, spring temperature is higher than autumn temperature. Generally, from mid-October, the daily minimum temperature drops below 0℃, and then rises to above 0℃ by mid-April of the following year. The number of days between days when the average temperature is less than 10℃ is 177 days, so there is a proverb of "Taigu County where people freeze to death".
The ground temperature is compared with the air temperature. The annual average temperature is 13℃, which is 3. higher than the air temperature. 5℃. The average ground temperature in January is -6.5℃, which is not much different from the air 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 data analysis from 1960 to 1985, the average annual precipitation is about
about 458 mm. It was 621 mm in a rainy year (1971) and 251.6 mm in a rainy year (1985). The average annual precipitation in the back mountainous areas in the southeast is more than 500 mm, and in the plains and hilly areas in the northwest is
450-500 mm. The plains and hilly areas in the northeast are less than those in the northwest with the same terrain conditions. The average annual precipitation The precipitation is below 450 mm. The distribution of precipitation within the year also varies greatly, with June to August being the season with the most precipitation
in the entire year. December to February is the period with the lowest rainfall throughout the year.