What is the average winter temperature in Dalian and Lanzhou?

Dalian is located in the warm temperate zone, with a semi-humid monsoon climate, with no severe cold in winter, no intense heat in summer and four distinct seasons.

Temperature The annual average temperature in the whole region is about 65,438+00℃, and it is the hottest in August with an average temperature of 24℃. The longest continuous days when the daily maximum temperature is greater than 30℃ are 10 ~ 12 days, and the annual extreme maximum temperature is about 35℃. 5438+ 10 is the coldest in June, the average temperature in the south is -4.5 to -6℃, and the extreme minimum temperature is about -20℃. The frost-free period is 180-200 days.

The annual average precipitation in the whole region is between 550 and 950 mm, increasing from southwest to northeast. 60-70% of annual precipitation is concentrated in summer, mostly in the form of heavy rain; Spring accounts for12-15%; Autumn accounts for 15-20%, and winter only accounts for about 5%. Due to the regulation of the ocean, it rains more at night than during the day, especially in summer.

Wind speed and prevailing wind direction change obviously with the change of seasons. The northerly monsoon prevails in winter and the southerly monsoon prevails in summer. Spring and autumn are the seasons when the south wind and the north wind change. The number of windy days with magnitude 6 or above is 90- 140 days in coastal areas and 35-50 days in inland areas, with the most in winter and spring and the least in summer.