How cold is it in winter in Henan?

The coldest winter in Henan is probably-10 degrees. Most of Henan Province is in the warm temperate zone, and the south is subtropical, which belongs to the continental monsoon climate of transition from north subtropical zone to warm temperate zone. At the same time, it also has the characteristics of transition from plain to hilly and mountainous climate from east to west, with distinct four seasons, simultaneous rain and heat, complexity and diversity, and frequent meteorological disasters.

From south to north, the average annual temperature in the province is 10.5 ~ 16.7℃, and the average annual precipitation is 407.7 ~ 1295.8 mm, with the most rainfall in June-August, and the average annual sunshine 1285.7 ~ 2292.9 hours, with a frost-free period.

Brief introduction of topography and geomorphology in Henan province.

The terrain of Henan province is north-south, connecting east and west, with high terrain in the west and low terrain in the east. Taihang Mountain, Funiu Mountain, Tongbai Mountain and Dabie Mountain in the north, west and south are distributed in a semicircle along the provincial boundary. The central and eastern part is the Huang-Huai-Hai alluvial plain; Nanyang basin is in the southwest. Plains and basins, mountains and hills account for 55.7%, 26.6% and 17.7% of the total area respectively. Laoya tea in lingbao city is the highest peak in the province, with an altitude of 2413.8m; The lowest altitude is at the exit of Huaihe River in Gushi County, only 23.2 meters.