Shanghai Weather
In Spring ( Mar to May)
Spring in Shanghai is from March to May. This is the best season in a year for traveling. Spring flowers in bloom make the city lively and attractive. The temperature is comfortable around 20 
C (68 F). Light rain happens however will not disturb your trip. Long-sleeved shirts, thin sweaters or coats are suitable for this time.The spring from March to May is recommended as the best time to pay a visit.
In Summer ( Jun-Aug)
Summer here is long from June to September. With high temperature and abundant rainfall, the city can be very sweltering at this time. The highest temperature occurs in July or August. For 10 days or so in these two months, the temperature can be above 35 C (95 F). You had better avoid the hottest time around 14:00. Wear cool clothes such as T-shirts and shorts and drink more water to prevent heatstroke and dehydration. The hottest time here comes in July and August, with more than 10 days at temperatures above 35 
C (95 F).
In Autumn (Sep-Nov)
Autumn of the region comes in October and November which can be very cool.. The temperate weather makes this season good for travel. Autumn (September to November) is another good time to visit, perfect to enjoy the annual crab season against the golden backdrop of autumn colors. It rains often in autumn except in the late November. Long-sleeved shirts, sweater and coat are appropriate.
In Winter ( Dec-Feb)
The coldest time is from the late January to early February.Shanghai winter temperatures can drop below zero (Celsius) from late January to mid-February and views may be gray and misty. The coldest period is from the end of January to early February - usually during the Chinese Spring Festival. The worst of the cold usually lasts for only a few days and it seldom snows. The temperature is not as low as some cities in north China like Beijing, but the humid cold wind is a torture for even the northerners. A sweater and overcoat are necessary in winter.
Shanghai Weather by Month
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High (ºC) | 7.22 | 8.33 | 12.22 | 18.33 | 23.33 | 27.22 | 31.11 | 31.11 | 27.22 | 22.22 | 16.67 | 10.56 |
| Low (ºC) | 0 | 1.11 | 5 | 10.56 | 15.56 | 20 | 24.44 | 24.44 | 20 | 14.44 | 8.33 | 1.67 |
| Precip(mm) | 1.5 | 2.3 | 3.2 | 4 | 4.5 | 6 | 5.1 | 5.2 | 6.1 | 2.4 | 2 | 1.4 |
| High (ºF) | 45 | 47 | 54 | 65 | 74 | 81 | 88 | 88 | 81 | 72 | 62 | 51 |
| Low (ºF) | 32 | 34 | 41 | 51 | 60 | 68 | 76 | 76 | 68 | 58 | 47 | 35 |
Best Time To Visit Shanghai
Spring and autumn are the best seasons to travel to Shanghai. Between March and May Shanghai is warm and comfortable for spring outings, the trees are green and flowers bursting into bloom. Long-sleeved T-shirts, a thin overcoat and sweater will be enough. Suzhouand Hangzhou are also the best destinations to travel to as the cities boasts overwhelming spring scenery.
Autumn (September to November) is another good time to visit, perfect to enjoy the annual crab season against the golden backdrop of autumn colors.
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