Xi ampere temperature

The average annual temperature in Xi 'an and its suburbs is13.1~13.4℃.

The annual extreme maximum temperature is 35 ~ 465438 0.8℃; Very low-16 ~-20℃. July is the hottest month in the whole year, with the monthly average temperature of 26. 1 ~ 26.3℃ and the monthly average maximum temperature of about 32℃. 65438+ 10 is the coldest month, with the monthly average temperature of -0.3 ~- 1.3℃ and the monthly average minimum temperature of -4℃ or so, with an annual variation of 26 ~ 27℃.

Precipitation changes greatly during the year, and there is a great difference between rainy years and less rainy years, which can reach 590 mm at most. The seasonal distribution of precipitation is also extremely uneven. 78% of the rainfall is concentrated in May ~ 10, of which July ~ September accounts for 47% of the annual rainfall, and there are occasional heavy rains. The annual average relative humidity is about 70%. The annual average wind speed is1.8m/s, and the dominant wind direction throughout the year is northeast wind.

Climatic characteristics

In 2020, the average temperature of Miko Wu in Xi is 14.3℃, which is 0.5℃ higher than the historical average (19,865,438+0-2065,438+00) and higher in winter and spring, respectively.

The precipitation is 69 1.3 mm, which is higher than the average over the years 1%. Uneven distribution, the summer is unusually high, which is the second year of the same period in history since 196 1 year, with less in winter, spring and autumn.

Disastrous weather occurs frequently throughout the year, mainly including fog and haze, drought, high temperature and low temperature freezing injury, heavy rain, hail, strong wind and continuous rain. The first soaking rain in spring appeared later than normal, and there was a staged drought; The temperature fluctuates obviously, with cold wave weather; There were three hailstorms in two days.

In early summer, the flood appeared later than normal, and the intensity was stronger. On the rainstorm day, the National Meteorological Station has 3 stations for 3 days; 20 days high temperature at 106 station. The autumn rain in West China appears later than normal, and its intensity is weak. There were 7 consecutive regional rainy days, with the longest duration of 16 days. Comprehensive evaluation shows that 2020 is a normal year.