Air Quality

With Hangzhou Bay on its south, the Development Zone enjoys 8 months of southeast monsoon each year, which brings the clean sea air into the Development Zone and makes it become an inland area with the best air quality in Shanghai. The dust fall here is less than 1.3 tons per square kilomenter per year and only accounts for 1/10 of that in Downtown Shanghai. The total concentration of suspended particle is under 0.1 mg/m³.

Terrain

Shanghai Seaport Comprehensive Economic Development Zone is located at the crustal recoil area and is the highest landmark in Shanghai. Its average elevation is 4 to 4.5m, 1m higher than the average elevation of Shanghai’s. As a part of the alluvial plain of Yangtze Delta, this area enjoys a single landform and flat terrain with a ground bearing capacity of 8 to 10 tons per square meter.

Climate

Belongings to the north subtropical monsoon maritime climate, the area where the Development Zone is located enjoys a highest air temperature of 37.9℃ from July to August, a lowest air temperature of minus 10.1℃ in January and an average temperature of 15.5℃. The average number of rain days per year is 33.9 days and the average annual rainfall is 1089.2mm.

Natural Disaster

History records show that typhoon landed at Fengxian but did not result in big disasters. According to the history records of high-tide level per one hundred years, the highest tide level of Huangpu River is 4.19m above level zero of Wusong, which is below the 4.5 m average elevation of Fengxian, the area where the Seaport Development Zone is located has a geological stratification that is extremely rare in Shanghai City. The level of earth curst of Shanghai City as a whole is around -240m on average while that of the Seaport area is -180m. The anti-seismic intensity for architectural design is 6 degrees, 1 degree lower than the surrounding area.

Weather conditions

Wind

Main wind direction: Southeast (Summer: Southeast; Winter: Northwest)

Average wind speed: 3.3m/s

Rain and Snow

Average rainy days each year: 136.3 days

Average precipitation water each year: 1162.0mm; Peak precipitation water in history: 1817.3mm; Trough precipitation water in history: 738.1mm

Peak precipitation water in oneday:196.6mm; Peak precipitation water in one hour:75.2mm

Maximum depth of snow:150mm

Frost

Daily minimum temperature below 4℃, generally the first day of frost is November 14 and the end day of frost is April 3. The average number of frost day is 141.

Sunlight

Average hour of sunlight each year: 1876.6 hours

Thunder

Average thunderstorm days each year:26 days

Temperature

The average temperature in one year: 15.7℃; The highest temperature in a year:37.9℃; The lowest temperature in a year:-10.1℃

The day in which highest temperature over 35℃ in a year is 3.2 days, the day in which lowest temperature below -5.0℃ in a year is 3.1 days.

Humidity

The average humidity in January and February is 80% and 79%

The average humidity in July and August is 86% 

Air Pressure

The average air pressure in one year is 1015.7 hectopascal; The maximum air pressure is 1041.2 hectopascal; The minimum air pressure is 986.1 hectopascal.

Earthquake

The basic seismic intensity is Ⅶ degree.

Water Level

Out of the Fengxian District (Hangzhou Bay): the highest level is around 6.3m; the lowest level is around -1.7m; the average level is 3.6m.

Fengxian District (Freshwater): the highest level is 3.7m；the lowest level is 2m; the average level is 2.6m.