What is the atmospheric pressure in Nanjing?

Atmospheric pressure is low on rainy days, high on dry days, and high in winter

According to the records of the Nanjing Meteorological Observatory from 1961 to 1980, the multi-year average air pressure in Nanjing urban area is 1011.6 hundred Pa, which is 1013.25 hPa lower than the standard atmospheric pressure. The highest annual average pressure was 1016.5 hPa in 1953 and 1970, and the lowest average pressure was 1010.9 hPa in 1974. The maximum inter-annual mean air pressure difference is 5.6 hPa.

Monthly average air pressure. During the year, the monthly average air pressure in Nanjing urban area changes with the monthly average temperature. The lowest monthly average air pressure appears in July, which is 999.2 hPa, and the highest monthly average air pressure appears in December and January, which is 1021.6 hPa.