Climate and monthly weather forecast
Tianjin, China

Located in the northeast part of China, Tianjin experiences a Humid continental climate with severe dry winter and hot summer, classified as Dwa in the Köppen climate classification. This region's climate exhibits substantial variations across different periods of the year.

Tianjin's monthly average temperatures fluctuate between -7.5°C (18.5°F) to 31°C (87.8°F), indicating considerable temperature disparity across seasons. The highest temperatures can typically be observed in July, with a peak value of about 31°C (87.8°F), while January sees the minimum temperatures averaging around -7.5°C (18.5°F). The temperature generally starts alleviating in February, which marks the end of the frigid winter and the onset of milder seasons.

Similarly, the rainfall varies drastically throughout the year, with the annual precipitation varying between 3mm (0.12") and 171mm (6.73"). The maximum rainfall is usually recorded in July, with an average precipitation of about 171mm (6.73"). Conversely, January experiences the least precipitation throughout the year with only about 3mm (0.12") of rain.

A characteristic phenomenon of Tianjin's climate is the high humidity levels, particularly in the summer months. The relative humidity varies between 51% and 77% throughout the year. June through August, the summer period, experiences the most considerable humidity, peaking at about 77% in July.

The amount of daylight received by Tianjin throughout the year ranges between 9.8 hours to 14.9 hours, with the sunniest month being June with around 14.9 hours of daylight. Furthermore, the UV index oscillates from 1 to 9, with the highest index recorded between June and August.

For visitors planning to explore Tianjin, comfortable temperature and low precipitation make the period from April to June the most ideal. During these months, temperatures escalate from a relatively cool 11.7°C (53.1°F) to a warm 30.1°C (86.2°F), and the rainfall remains moderate. Besides, the daylight hours increase progressively, giving tourists increased sightseeing opportunities.

The months that travelers might prefer avoiding are July and August. This period is characterized by the deadliest combination of high temperatures and rainfall, which shoots up to 31°C (87.8°F) and 171mm (6.73"), respectively. High humidity, exceeding 76%, accompanies these conditions, probably causing discomfort for the unaccustomed.

Tianjin's spring season commences in March and endures until May. Spring temperatures rise gradually from about 1.3°C (34.3°F) to a warm 26.1°C (79°F). Correspondingly, daylight hours improve, offering longer hours for recreational and sightseeing activities. This period also experiences an increase in rainfall, from 8mm (0.31") in March to 38mm (1.5") in May, indicating the prelude to the monsoon.

Summers in Tianjin span from June to August, a period characterized by high temperatures and humidity. During this time, temperatures fluctuate between 30.1°C (86.2°F) to 31°C (87.8°F), offering excellent opportunities for beach visits. It should be noted, however, that this period witnesses the heaviest rainfall of the year, with precipitation peaking at 171mm (6.73") in July.

Autumn in Tianjin, occurring between September to November, presents gradually declining temperatures, from 26.3°C (79.3°F) in September to a mild 10.6°C (51.1°F) in November. Rainfall, too, shows a reducing pattern, descending from 46mm (1.81") to 10mm (0.39") over these months. These temperate conditions accompanied by lower precipitation make Autumn an attractive season for touring as well.

Tianjin's winter, from December through February, is marked by low temperatures, ranging from -7.5°C (18.5°F) to 5°C (41°F), as well as minimal precipitation, which averages around 4mm (0.16"). However, despite the cold, the winter is relatively dry, and the humidity decreases significantly. Consequently, while heavy winter clothing is necessary, it is also an excellent time for visitors who prefer cold weather and fewer crowds.

The cold weather in Tianjin, China starts the year with January, characteristics include frequently dipping temperatures into the negatives and a low proportion of rainy days. Relative humidity remains at comparably moderate levels. Weather in January »

February marks the continuation of the winter season, as temperatures remain low and cold. Slight increases in both daylight hours and average high and low temperatures are registered relative to January. The amount of rain recorded shows a small increase, while the number of days of rain remains largely unchanged. Weather in February »

Shifting from February to March, a note of Spring begins to surface. This can be seen in the noticeable warming of temperature averages and longer daylight hours. Relative humidity and rainfall quantities maintain a steady increase, signaling that March is a transition month, slowly throwing off the winter chill. Weather in March »

As the heart of Spring approaches in Tianjin, April showcases a significant spike in temperatures along with prolonged sunny hours. Alongside, rainfall escalates rapidly, more than doubling from the previous month. Rainy days are also more frequent compared to the month before. Weather in April »

May brings about substantial change with the onset of Summer. Enhancements in temperature, sunlight hours, and humidity make this month distinct. Rainfall peaks, pushing the area into wetter conditions. The temperatures range from 14.6°C (58.3°F) in the cooler nights to 26.1°C (79°F) during warm days. As Tianjin transitions into May, a rise in the average high-temperature is observed, moving from a pleasant 20.5°C (68.9°F) in April to a warm 26.1°C (79°F). Weather in May »

June is the initiation of the hottest period of the year in Tianjin. Primarily, high temperatures and an impressive surge in humidity distinguish it. Concurrently, the number of rain days and accumulated rainfall decline, sunlight hours are almost at their maximum. Weather in June »

July is the apex of the summer season; thermal readings and humidity are at their highest levels. The city experiences its most substantial rainfall this month. The level of precipitation is significant, with a notable jump in accumulated rain to 171mm (6.73"). Weather in July »

Weather in Tianjin in August is a near replica of July, maintaining the summery zeal although with slightly less rainfall. The amount of daylight hours diminishes, but the UV index is still at a peak. Temperatures remain almost identically high as they oscillate between 21.9°C (71.4°F) and 30.2°C (86.4°F). Entering August, the average high-temperature is recorded at a still tropical 30.2°C (86.4°F), exhibiting a minimal shift from July's 31°C (87.8°F). Weather in August »

The arrival of September begins to tone down the summer heat while maintaining warm weather. Rainfall takes a more drastic drop, the amount of sunshine stays considerable. A less humid atmosphere signifies an eventual change in seasons, although high temperatures linger. Weather in September »

As October advances, the city embraces the autumn season fully. Average temperatures experience a more significant decline, sunlight hours decrease and rain quantities reduce. Despite these reductions, October still exhibits warmer weather in Tianjin. Weather in October »

November marks the introduction of winter again. Temperature averages lower significantly along with a reduction in sun exposure, whilst relative humidity stays stable. Rainfall decreases, making this month dry compared to the rest of the year. Weather in November »

December signals the commencement of the cold, winter season. Constraints on temperature intensify as both minimum and maximum averages drop and daylight hours are the shortest. Humidity is again in the moderate range, with a low rainfall making it the driest month. Weather in December »