Greatly influenced by the Bohai Sea, Tianjin possesses a semi-moist continental monsoon climate. It has four clearly divided seasons and each season has its own beautiful scenery. Like most cities in northern China, July tends to be its hottest month, during which the temperature can reach 26
C (79
F) or even above, while January is the coldest with an average temperature of -4
C (24.8
F). The annual precipitation is 550-650 millimeters, 75% of which is mainly concentrated in summer.
The weather in spring is pleasant and suitable for traveling. However, there will be windy days and sandstorms occasionally. Summer is hot and it often rains, so rain wear is a requisite. Also, the temperature difference between day and night can be big, so it is best to keep warm so as not getting a cold. Autumn is cool with a mild and pleasant temperature, while winter is very cold sometimes.
The natural scenes are most beautiful in spring and autumn, when the weather is at its most stable and agreeable. It is strongly recommended to visit there in spring and autumn.
Detailed information about the Average, Maximun and Minimum Temperatures and the rainfall in Tianjin.
| Average Data | Jan | Feb | Mar | Apr | May | June |
| Average High ( | 32/36 | 38/41 | 50/54 | 66/70 | 78/82 | 85/89 |
| Average High ( | 0/2 | 3/5 | 10/12 | 19/21 | 26/28 | 30/32 |
| Average Low ( | 15/19 | 20/23 | 30/34 | 44/48 | 56/59 | 65/68 |
| Average Low ( | -9/-7 | -7/-5 | -1/1 | 7/9 | 13/15 | 18/20 |
| Rain (in) | <0.1 | 0.1/0.2 | 0.2/0.3 | 0.8/0.9 | 1.2/1.3 | 2.4/2.5 |
| Rain (mm) | <5 | <5 | 5/10 | 20/25 | 30/35 | 60/65 |
| Average Data | July | Aug | Sep | Oct | Nov | Dec |
| Average High ( | 87/90 | 85/88 | 78/81 | 66/70 | 49/52 | 36/40 |
| Average High ( | 30/32 | 29/31 | 25/27 | 19/21 | 9/11 | 2/4 |
| Average Low ( | 71/74 | 70/73 | 60/64 | 47/50 | 32/36 | 20/24 |
| Average Low ( | 22/24 | 21/23 | 16/18 | 8/10 | 0/2 | -6/-4 |
| Rain (in) | 6.8/6.9 | 6.1/6.2 | 1.7/1.8 | 0.6/0.7 | 0.3/0.4 | 0.1/0.2 |
| Rain (mm) | 170/175 | 155/160 | 40/45 | 15/20 | 10/15 | <5 |

Travelers' Voices on Tianjin Climate