Winter Climate Trend in Hubei Province 20 16

Hubei is located in the subtropical zone and in the typical monsoon region. Except for mountainous areas, most parts of the province belong to subtropical monsoon humid climate, with abundant light energy, sufficient heat, long frost-free period, abundant precipitation and the same season of rain and heat. The total annual solar radiation in most parts of the province is 85- 1 14 kcal/cm.

sunlight

The average actual sunshine hours in Hubei for many years are 1 100-2 150 hours. Its geographical distribution decreases from northeastern Hubei to southwestern Hubei, with the largest in northern Hubei and northeastern Hubei, which is 2000-2 150 hours; Southwest Hubei is the least, 1 100- 1400 hours. Its seasonal distribution is the most in summer and the least in winter, and the spring and autumn vary from place to place.

temperature

The annual average temperature in Hubei Province is 15- 17℃. It is hot in Leng Xia in winter in most areas, with changeable temperature in spring and rapid cooling in autumn. In a year, it is coldest in June at 5438+ 10, and the average temperature in most areas is 2-4℃. It is the hottest in July, with an average temperature of 27-29℃ and an extreme maximum temperature above 40℃, except in mountainous areas. The frost-free period in this province is between 230 and 300 days.

deposit

The regional distribution of precipitation in Hubei Province shows a decreasing trend from south to north, with the maximum value at 1400- 1600 mm in southwest Hubei and the minimum value at 800- 1000 mm in northwest Hubei. The distribution of precipitation has obvious seasonal changes, generally the most in summer and the least in winter. The rainfall in summer is 300-700 mm, and that in winter is 30- 190 mm. The rainfall is the largest from mid-June to mid-July, and the intensity is Meiyu period in Hubei.