Climatic characteristics of Langfang in February

Langfang City is located in the mid-latitude zone, with a continental monsoon climate of warm temperate zone and four distinct seasons. Summer is hot and rainy, winter is cold and dry, spring is dry and windy, and autumn is refreshing and cool. Sufficient light and heat resources, rain and heat in the same season, are conducive to crop growth. At the same time, however, there are many meteorological disasters, such as dry-hot wind, thunderstorm, hail and strong wind, continuous rain and cold wave, which often have adverse effects on agricultural production. [6]

Temperature: annual average temperature in Langfang (197 1-2000)1.9℃. January is the coldest, with an average monthly temperature of -4.7℃. July is the hottest, with an average monthly temperature of 26.2℃.

Frost-free period: the first frost in Langfang generally begins in the middle and late days of 10/0, and the last frost generally ends in the middle and late days of April of the following year, with an average frost-free period of about 183 days.

Precipitation: The average annual precipitation in Langfang (197 1-2000) is 554.9 mm ... The seasonal distribution of precipitation is uneven, mostly concentrated in summer, and the precipitation from June to August can generally reach 70-80% of the total annual precipitation.

Sunshine: The average sunshine hours in Langfang (197 1-2000) are about 2660 hours, with the most sunshine hours in May and June each year.

Wind power: Langfang has a continental monsoon climate, with northerly winds in winter and southerly winds in summer, with an average annual wind speed of 1.5-2.5 meters.